PSAP Verification Phase NSC

Request for Non-Substantive Change to the
2020 Census Participant Statistical Areas Program (PSAP)
OMB Control No. 0607-1003
U.S. Department of Commerce
U.S. Census Bureau
Purpose
The U.S. Census Bureau offers a once-per-decade opportunity for regional planning agencies
(RPAs), councils of governments (COGs), tribal, state, county, and local governments (including
the District of Columbia and Puerto Rico) to review and update selected statistical areas
planned for the 2020 Census data tabulation. Attached for your approval are thirty-two
verification materials of the 2020 Census Participant Statistical Areas Program (PSAP) that the
Census Bureau will send to the participants in January 2020.
Background
The current PSAP OMB collection was approved on 02/05/2018 for three years with an
expiration date of 02/28/2021. This non-substantive change is a request to:
1. Add and submit finalized documents included in the 2020 Census PSAP verification
package.
2. Authorize communication with groups of partners by email and/or letters between
January and October 2020.
The Census Bureau will need to contact groups of partners throughout the PSAP verification
phase to notify them of issues and clarifications related to Census Bureau provided materials
and software that may impact their review. As the verification phase is time limited, the
Census Bureau is requesting authorization to send emails and/or letters to groups of partners
to document issues and provide additional instruction. At the end of closeout, in October 2020,
the Census Bureau will supply documentation of all messages that were sent to groups of
partners related to these possible issues.
There is no substantive change to the program resulting from this submission. The finalized
instructions, steps, or languages do not change the content or objective of the program. The
changes made were necessary to reflect the most current program information.
Burden
The burden of the 2020 Census PSAP is unchanged by this update.

Appendix A
Documents Included in the 2020 Census PSAP Verification Package – Non-substantive change
request
#

ID

Description or Content

Changes as part of this NSC

Letters
1

L-1200

2

L-1205

3

L-1220

4

L-1210

5
6

L-1215
L-1215-PR

7

L-1225

8

L-1230

9 L-1225-PR
10 L-1230-PR
11 L-1240
12 L-1240-PR
13 L-1250
14 L-1250-PR

Letter to Tribal PSAP Primary
Official (PPO) – Using Paper
Maps
Letter to Tribal PPO Request Paper Maps
Letter to Tribal PPO – Using
Secure Web Incoming
Module (SWIM)
Letter to Tribal PPO - Paper
Maps
Letter to Standard PPO
Puerto Rico (PR) Letter to
Standard PPO
Letter to PSAP Primary
Technical (PPT) Contact
Letter to PSAP Courtesy
Copy (PCC) Contact
PR Letter to PSAP PPT
PR Letter to PSAP PCC
Non-Response Follow-Up
(NRFU) Letter to PPO
PR Reminder Letter to PPO
Verification Phase Close-out
Letter to PPO
PR Verification Phase Closeout Letter to PPO

Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.

Emails
15 E-1200
16 E-1205
17 E-1220
18 E-1215
19 E-1215-PR

Email to Tribal PPO – Using
Paper Maps
Email to Tribal PPO Request Paper Maps
Email to Tribal PPO – Using
SWIM
Email to Standard PPO
PR Email to Standard PPO

Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.

20
21
22
23
24
25
26

E-1225
E-1230
E-1225-PR
E-1230-PR
E-1240
E-1240-PR
E-1250

27 E-1250-PR
28 GSP_2019

Email to PSAP PPT
Email to PSAP PCC
PR Email to PSAP PPT
PR Email to PSAP PCC
NRFU Email to PPO
PR Reminder Email to PPO
Verification Phase Close-out
Email to PPO
PR Verification Phase Closeout Email to PPO
Geographic Support
Program Memorandum FLDGSB will provide email blast
text (one or many) that will
be used by the RCCs to
communicate with partners
(PSAP Verification Phase
Bulk Email).

Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new document.
Adding new documents.

Quick Program Guides
29 Q-910
30 Q-915

Standard Statistical
Geographies
Tribal Statistical
Geographies

Adding new document.
Adding new document.

Respondent Guides
31 G-800
32 G-810

Tribal Statistical
Geographies
Standard Statistical
Geographies

Adding new document.
Adding new document.

L-1200
(9-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:
BAS ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 stascal geographic area plans based
on submissions received during the delineation phase of the 2020 Census Parcipant Stascal Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and verify
your statistical areas, and to provide corrections where needed. Please see Appendix A for the list of
areas for which you are responsible for verifying and correcting and complete the action steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and oponal
training video:
a) 2020 Census PSAP Verification Tribal Statistical Geographies Quick Program Guide (Q- 915).
b) 2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
c) 2020 Census PSAP Verification training video (Optional).
2) Review the 2020 statistical areas in TIGERweb
and/or in the Online PDF maps posted on the PSAP website to determine if correcons
are needed. Refer to the 2020 Census PSAP Verification Tribal Respondent Guide (G-800),
available on the PSAP website, for instructions to review and verify the statistical areas.
a) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.

census.gov

3) If you determine updates are necessary:
a) Contact the Census Bureau prior to making major or significant corrections.
b) Complete the statistical area corrections by annotating the 2020 Census PSAP paper
maps you receive in support of the verification phase. These paper maps are scheduled
to arrive by February 1, 2020. Refer to the 2020 Census PSAP Tribal Paper Respondent
Guide (G-700) from the delineaon phase for instrucons on updang stascal area
boundaries and preparing the updated paper maps for submission. Consult the 2020
Census PSAP Verification Tribal Respondent Guide (G-800) for specific verificaon phase
instructions that enhance the instructions in the delineation phase guide.
4) Return only the updated paper maps to the Census Bureau in the original map tube or envelope.
Please affix the postage-paid label over the original label before returning the map tube.
5) Submit all corrections to the statistical areas within 90 calendar days of receipt of the verificaon
announcement. The Census Bureau will review all correcons to ensure they meet the
established criteria for the 2020 Census PSAP and will contact you if quesons arise regarding
your submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1–844–788–4921. All of the materials menoned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs

L-1200 (9-2019)

Appendix A:
Areas to verify:

L-1200 (9-2019)

L-1205
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:
BAS ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 stascal geographic area plans based on
submissions received during the delineation phase of the 2020 Census Parcipant Stascal Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and verify
your statistical areas, and to provide corrections where needed. Please see Appendix A for the list of
areas for which you are responsible for verifying and correcting and complete the action steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and optional training video:
a) 2020 Census PSAP Verification Tribal Statistical Geographies Quick Program Guide (Q-915).
b) 2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
c) 2020 Census PSAP Verification training video (Optional).
2) Review the 2020 statistical areas in TIGERweb
and/or in the Online PDF maps posted on the PSAP website to determine if correcons are
needed. Refer to the 2020 Census PSAP Verification Tribal Respondent Guide (G-800), available
on the PSAP website, for instructions to review and verify the statistical areas.
a) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.
3) If you determine corrections are necessary:
a) Contact the Census Bureau to request paper maps so that corrections can be made. If
you believe significant corrections are needed, please discuss this with the Census Bureau
when requesting the maps.

census.gov

b) Complete the statistical area corrections by annotating the 2020 Census PSAP paper maps
you receive in support of the verification phase. Refer to the 2020 Census PSAP Tribal
Paper Respondent Guide (G-700) from the delineaon phase for instrucons on updang
statistical area boundaries and preparing the updated maps for submission. Consult the
2020 Census PSAP Verification Tribal Respondent Guide (G-800) for specific verificaon
phase instructions that enhance the instructions in the delineation phase guide.
4) Return only the updated paper maps to the Census Bureau in the original map tube or envelope.
Please affix the postage-paid label over the original label before returning the map tube.
5) Submit all corrections to the statistical areas within 90 calendar days of receipt of the verificaon
announcement. The Census Bureau will review all correcons to ensure they meet the
established criteria for the 2020 Census PSAP and will contact you if there are quesons
regarding your submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1-844-788-4921. All of the materials mentioned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs

L-1205 (10-2019)

Appendix A:
Areas to verify:

L-1205 (10-2019)

L-1220
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:
BAS ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 stascal geographic area plans based on
submissions received during the delineation phase of the 2020 Census Parcipant Stascal Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and verify
your statistical areas, and to provide corrections where needed. Please see Appendix A for the list of
areas for which you are responsible for verifying and correcting and complete the action steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and optional training video:
a) 2020 Census PSAP Verification Tribal Statistical Geographies Quick Program Guide (Q-915).
b) 2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
c) 2020 Census PSAP Verification training video (Optional).
d) 2020 Census PSAP Verification Online Portable Document File (PDF) maps available for use
to conduct your review.
2) Review the 2020 statistical areas in TIGERweb and/or
in the Online PDF maps posted on the PSAP website to determine if corrections are needed.
Refer to the 2020 Census PSAP Verification Tribal Respondent Guide (G-800), available on the
PSAP website, for instructions to review and verify the statistical areas.
a) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.
3) If you determine corrections are necessary:
a) Contact the Census Bureau prior to making major or significant corrections.
b) Download and install the Geographic Update Partnership Software (GUPS) from the PSAP
website. Refer to the 2020 Census PSAP Verification Tribal Statistical Geographies Quick
Program Guide (Q-915) for instructions on downloading and installing GUPS.

census.gov

c) Complete the statistical area corrections using GUPS. Refer to the 2020 Census PSAP
Tribal GUPS Respondent Guide (G-690) from the delineaon phase for instrucons on
using GUPS to update stascal area boundaries and exporng the correcons for
submission. Consult the 2020 Census PSAP Verification Tribal Respondent Guide (G-800)
for specific verificaon phase instrucons that enhance the instrucons in the delineaon
phase guide.
Note: If you requested to receive paper maps, you have the opon of compleng
verification phase corrections using those paper maps rather than using GUPS. Refer to
the 2020 Census PSAP Verification Tribal Respondent Guide (G-800) for specific
instructions on making paper map corrections and submitting them to the Census Bureau.
4) Use the Census Bureau’s Secure Web Incoming Module (SWIM) to return the stascal area
corrections (i.e., the .zip file generated by using Export to Zip tool within GUPS). Refer to the
2020 Census PSAP Verification Tribal Respondent Guide (G-800) for instrucons on using SWIM
and a descriptive example.
5) Submit all corrections to the statistical areas within 90 calendar days of receipt of the
verification announcement. The Census Bureau will review all correcons to ensure they
meet the established criteria for the 2020 Census PSAP and will contact you if there are
questions regarding your submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1–844–788–4921. All of the materials menoned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs

L-1220 (10-2019)

Appendix A:
Areas to verify:

L-1215 (10-2019)

L-1210
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:
BAS ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
Per previous correspondence, enclosed with this letter are the 2020 Census PSAP verificaon phase
paper maps intended for providing corrections to your statistical areas. Please review the previously
received verification announcement and follow the action steps to complete the corrections.
Refer to the 2020 Census PSAP Tribal Paper Respondent Guide (G-700) from the delineaon phase for
instructions on updating statistical area boundaries and preparing the updated maps for submission.
Consult the 2020 Census PSAP Verification Tribal Respondent Guide (G-800) for specific verificaon phase
instructions that enhance the instructions in the delineation phase guide. All of the materials for use in
the verification phase are located on the PSAP website at .
Parcipants with quesons may contact the Census Bureau PSAP team by email at
or by phone at 1–844–788–4921. Thank you for your parcipaon in the
2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs
Enclosure

census.gov

L-1215
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 stascal geographic area plans based on
submissions received during the delineation phase of the 2020 Census Parcipant Stascal Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and
verify your statistical areas, and to provide corrections where needed. Please see Appendix A for the
list of counes for which you are responsible for verifying and correcng and complete the acon
steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and optional training video:
a)
b)
c)
d)

2020 Census PSAP Verification Standard Statistical Geographies Quick Program Guide (Q-910).
2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
2020 Census PSAP Verification training video (Optional).
2020 Census PSAP Verification Online Portable Document Format (PDF) maps available as an
additional resource for reviewing census tract numbering.

2) Review the 2020 statistical areas in TIGERweb to
determine if corrections are needed. Refer to the 2020 Census PSAP Verification Standard
Respondent Guide (G-810), available on the PSAP website, for instructions on the use of TIGERweb
to review and verify the statistical areas.
a) Consult with the governments/organizaons that contributed input during the delineaon
phase for their input on the verification phase materials.
b) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.
3) Review the 2020 census tract numbering using the Online Portable Document Format (PDF) maps
available on the 2020 Census PSAP website mentioned in Action Step 1. Refer to the 2020 Census
PSAP Verification Standard Respondent Guide (G-810) for additional details on their use.
4) If you determine updates are necessary:
a) Contact the Census Bureau prior to making major or significant corrections.

census.gov

b)

c)

Download and install the Geographic Update Partnership Software (GUPS) from the PSAP
website. Refer to the 2020 Census PSAP Verification Standard Statistical Geographies Quick
Program Guide (Q-910) for instructions on downloading and installing GUPS.
Complete the statistical area corrections using GUPS. Refer to the 2020 Census PSAP
Standard GUPS Respondent Guide (G-730) from the delineaon phase for instrucons
on using GUPS to update stascal area boundaries and exporng the correcons for
submission. Consult the 2020 Census PSAP Verification Standard Respondent Guide
(G-810) for specific verificaon phase instrucons that enhance the instrucons in the
delineation phase guide.

5) Use the Census Bureau’s Secure Web Incoming Module (SWIM) to return the stascal area
corrections (i.e., the .zip file generated by using Export to Zip tool within GUPS). Refer to the 2020
Census PSAP Verification Standard Respondent Guide (G-810) for instrucons on using SWIM and a
descriptive example.
6) Submit all corrections to the statistical areas within 90 calendar days of receipt of the verificaon
announcement. The Census Bureau will review all correcons to ensure they meet the established
criteria for the 2020 Census PSAP and will contact you if there are quesons regarding your
submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1–844–788–4921. All of the materials menoned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs

L-1215 (10-2019)

Appendix A:
Areas to verify:

L-1215 (10-2019)

L-1215-PR
Núm. de control de OMB: 0607-1003

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado participante del Programa PSAP:
La Oficina del Censo de los EE. UU. finalizó recientemente los planes de las áreas geográficas estadísticas
del 2020 basados en los materiales recibidos durante la fase de delineación del Programa de Áreas
Estadísticas Participantes (PSAP) del Censo del 2020. Tras recibir este anuncio de verificación, le
invitamos a revisar y verificar sus áreas estadísticas, y a proporcionar correcciones donde sea necesario.
Consulte en el Apéndice A la lista de condados que usted es responsable de verificar y corregir, y
complete los pasos de acción a continuación.
Pasos de Acción:
1) Visite el sitio web del PSAP del Censo del 2020 para revisar los siguientes materiales del programa y el
video opcional de capacitación:
a) Guía de Verificación Rápida del Programa PSAP del Censo del 2020 de Zonas Geográficas
Estadísticas Estándares (Q-910).
b) Guía(s) de Referencia Rápida del PSAP del Censo del 2020 pertinente(s) a sus áreas geográficas
estadísticas.
c) Video de capacitación de Verificación del PSAP del Censo del 2020 (Opcional).
d) Los mapas en línea de Verificación del PSAP en Formato de Documento Portátil (PDF) están
disponibles como recursos adicionales para revisar la numeración de los sectores censales.
2) Revise las áreas estadísticas del 2020 en TIGERweb
para determinar si es necesario hacer correcciones. Consulte la Guía de Verificación Estándar para
Participantes del PSAP del Censo del 2020 (G-810), disponible en el sitio web del PSAP, para obtener
instrucciones sobre el uso de TIGERweb para revisar y verificar las áreas estadísticas.
a) Consulte con los gobiernos/organizaciones que contribuyeron durante la fase de delineación
para obtener sus comentarios sobre los materiales de la fase de verificación.
b) En un plazo de 30 días calendario después de haber recibido el anuncio de verificación, envíe un
correo electrónico a para indicar si tiene o no correcciones para sus
áreas estadísticas.

census.gov

3) Revise la numeración de sectores censales del 2020 usando los mapas en línea en formato PDF
disponibles en el sitio web del PSAP del Censo del 2020 mencionados en el Paso de Acción 1.
Consulte la Guía de Verificación Estándar para Participantes del PSAP del Censo del 2020 (G-810)
para obtener más detalles sobre su uso.
4) Si usted determina que se requieren actualizaciones:
a) Comuníquese con la Oficina del Censo antes de hacer correcciones importantes o significativas.
b) Descargue e instale el Software de Colaboración para la Actualización Geográfica (GUPS) del
sitio web del PSAP. Consulte la Guía de Verificación Rápida del Programa PSAP del Censo del
2020 de Zonas Geográficas Estadísticas Estándares (Q-910) para obtener instrucciones sobre
cómo descargar e instalar GUPS.
c) Complete las actualizaciones de las áreas estadísticas usando GUPS. Consulte la Guía Estándar
de GUPS para Participantes del PSAP del Censo del 2020 (G-730) desde la fase delineación para
obtener instrucciones sobre cómo usar GUPS para actualizar los límites de las áreas estadísticas
y exportar las correcciones para enviarlas. Consulte la Guía de Verificación Estándar para
Participantes del PSAP del Censo del 2020 (G-810) para instrucciones específicas sobre la fase de
verificación que complementan las instrucciones de la guía de la fase de delineación.
5) Use el Secure Web Incoming Module (SWIM) de la Oficina del Censo para devolver las correcciones
de las áreas estadísticas (por ejemplo, el archivo .zip generado al usar la herramienta de Exportar al
Archivo Zip en GUPS). Consulte la Guía de Verificación Estándar para Participantes del PSAP del
Censo del 2020 (G-810) para obtener instrucciones sobre cómo usar SWIM y un ejemplo descriptivo.
6) Envíe todas las correcciones a las áreas estadísticas en un plazo de 90 días calendario después de
haber recibido el anuncio de verificación. La Oficina del Censo revisará todas las correcciones para
garantizar que cumplan con los requisitos establecidos para el PSAP del Censo del 2020 y se
comunicará con usted si hay preguntas sobre el envío.
Los participantes pueden comunicarse con el equipo del Programa PSAP de la Oficina del Censo por
correo electrónico a o por teléfono llamando al 1-844-788-4921. Todos los
materiales mencionados en esta correspondencia están localizados en el sitio web del PSAP en
. Gracias por su
participación en el Programa PSAP del Censo del 2020.
Atentamente,

Albert E. Fontenot, Jr.
Director Asociado para los Programas del Censo Decenal

Apéndice A
Condados por verificar:

L-1225
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Technical Participant:
The U.S. Census Bureau recently finalized the 2020 stascal geographic area plans based on
submissions received during the delineation phase of the 2020 Census Parcipant Stascal Areas
Program (PSAP). The PSAP verificaon phase materials were provided to the primary PSAP parcipant in
January 2020 for review to determine if corrections are needed. As a PSAP technical participant, please
work with the primary PSAP parcipant to review and verify your stascal areas and to provide
corrections where needed. Corrections must be completed within 90 calendar days from receipt of the
verification phase announcement.
Locate the information regarding the PSAP verification phase and/or the primary PSAP parcipant on
the PSAP website at
or contact the Census Bureau PSAP team by email at or by phone at
1–844–788–4921 for that information. Thank you for your participation in the 2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Program

census.gov

L-1225-PR
Núm. de control de OMB: 0607-1003

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado Participante Técnico del Programa PSAP:
La Oficina del Censo de los EE. UU. finalizó recientemente los planes de las áreas geográficas estadísticas
del 2020 basados en los materiales recibidos durante la fase de delineación del Programa de Áreas
Estadísticas Participantes (PSAP) del Censo del 2020. Los materiales de la fase de verificación del PSAP se
proporcionaron al participante primario del PSAP en enero del 2020 para su revisión a fin de determinar
si es necesario hacer correcciones. Como participante técnico del PSAP, por favor trabaje con el
participante principal del PSAP para revisar y verificar sus áreas estadísticas y proporcionar correcciones
donde sea necesario. Las correcciones deben completarse en un plazo de 90 días calendario después de
haber recibido el anuncio de la fase de verificación.
Busque la información sobre la fase de verificación del PSAP y/o el participante primario del PSAP en el
sitio web del PSAP en
o comuníquese con el equipo del PSAP de la Oficina del Censo por correo electrónico a
o por teléfono llamando al 1-844-788-4921 para obtener esa información.
Gracias por su participación en el Programa PSAP del Censo del 2020.
Atentamente,

Albert E. Fontenot, Jr.
Director Asociado para los Programas del Censo Decenal

census.gov

L-1230
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
Your government/organizaon expressed interest in providing input to the stascal geographies
reviewed and updated as part of the U.S. Census Bureau’s 2020 Census Parcipant Stascal Areas
Program (PSAP). The PSAP verificaon phase materials were provided to the primary PSAP parcipant in
January 2020 for review to determine if corrections are needed. Correcons must be completed within
90 calendar days from receipt of the verification phase announcement.
To provide input, please contact the primary PSAP parcipant responsible for the review and correcons
of the statistical geographies for your area. Locate the informaon regarding the PSAP verificaon phase
and/or the primary PSAP participant on the PSAP website at or contact the Census Bureau PSAP team by email at
or by phone at 1–844–788–4921 for that information. Thank you for your
interest in the 2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs

census.gov

L-1230-PR
Núm. de control de OMB: 0607-1003

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado Participante del Programa PSAP:
Su gobierno/organización expresó recientemente interés en proporcionar sus comentarios sobre las
áreas geográficas estadísticas revisadas y actualizadas como parte del Programa de Áreas Estadísticas
Participantes (PSAP) del Censo del 2020 de la Oficina del Censo de los EE. UU. Los materiales de la fase
de verificación del PSAP se proporcionaron al participante primario del PSAP en enero del 2020 para su
revisión a fin de determinar si es necesario hacer correcciones. Las correcciones deben completarse en
un plazo de 90 días calendario después de haber recibido el anuncio de la fase de verificación.
Para proporcionar información, comuníquese con el participante primario del PSAP responsable de las
revisiones y correcciones de las áreas geográficas estadísticas en su área. Busque la información sobre la
fase de verificación del PSAP y/o el participante primario del PSAP en el sitio web del PSAP
en o comuníquese con
el equipo del PSAP de la Oficina del Censo por correo electrónico a o por
teléfono llamando al 1-844-788-4921 para obtener esa información. Gracias por su interés en el
Programa PSAP del Censo del 2020.
Atentamente,

Albert E. Fontenot, Jr.
Director Asociado para los Programas del Censo Decenal

census.gov

L-1240
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 stascal geographic area plans based on
submissions received during the delineation phase of the 2020 Census Parcipant Stascal Areas
Program (PSAP). In mid-January, we distributed a verificaon announcement that invited you to review
and verify your statistical areas, and to provide corrections where needed. The verificaon
announcement indicated participants have 90 calendar days to submit corrections.
If you have already submied your correcons or informed the Census Bureau that you do not have
corrections to submit, please disregard this message. If not, please email to
indicate whether you have any corrections to submit. Review the verificaon announcement
correspondence for the action steps to complete the PSAP verification process in the time remaining.
Please note that late submissions will not be accepted.
For questions or additional information, contact the Census Bureau PSAP team by email at
, by phone at 1–844–788–4921, or visit the PSAP website at
. Thank you for your
participation in the 2020 Census PSAP.
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs

census.gov

L-1240-PR
Núm. de control de OMB: 0607-1003

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado participante del Programa PSAP:
La Oficina del Censo de los EE. UU. finalizó recientemente los planes de las áreas geográficas estadísticas
del 2020 basados en los materiales recibidos durante la fase de delineación del Programa de Áreas
Estadísticas Participantes (PSAP) del Censo del 2020. A mediados de enero, distribuimos un anuncio de
verificación que le invitaba a usted a revisar y verificar sus áreas estadísticas, y a proporcionar
correcciones donde fuera necesario. El anuncio de verificación indicaba que los participantes tenían 90
días calendario para enviar actualizaciones.
Si usted ya envió sus correcciones o informó a la Oficina del Censo que no tiene correcciones, ignore
este mensaje. Si no, envíe un correo electrónico a para indicar si tiene alguna
corrección que enviar. Revise en la correspondencia del anuncio de verificación los pasos de acción para
completar el proceso de verificación del PSAP en el tiempo restante. Tenga en cuenta que no se
aceptarán envíos atrasados.
Para preguntas o información adicional, comuníquese con el equipo del PSAP de la Oficina del Censo por
correo electrónico a por teléfono llamando al 1-844-788-4921 o visite el sitio
web del PSAP en .
Gracias por su participación en el Programa PSAP del Censo del 2020.
Atentamente,

Albert E. Fontenot, Jr.
Director Asociado para los Programas del Censo Decenal

census.gov

L-1250
(10-2019)
OMB Control No.: 0607-1003
Expiration Date: 2-28-2021

DC

UNITED STATES DEPARTMENT OF COMMERCE
U.S. Census Bureau
Washington, DC 20233-0001

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau has finalized the 2020 Census Participant Statistical Areas Program (PSAP)
statistical geographic areas, incorporating updates submitted during the verification phase, where
appropriate. The 2020 Census PSAP is now complete. Thank you for your participation.
The information provided during 2020 Census PSAP ensures the accuracy and completeness of stascal
areas used to tabulate data for the 2020 Census, the American Community Survey (ACS), the Economic
Census, and potentially other census surveys. For questions or additional information, contact the
Census Bureau PSAP team by email at , by phone at 1-844-788-4921, or visit the
PSAP website at .
Sincerely,

Albert E. Fontenot, Jr.
Associate Director for Decennial Census Programs

census.gov

L-1250-PR
Núm. de control de OMB: 0607-1003

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado participante del Programa PSAP:
La Oficina del Censo de los EE. UU. ha finalizado el Programa de Áreas Estadísticas Participantes (PSAP)
del Censo del 2020 para áreas geográficas estadísticas, incorporando las actualizaciones enviadas
durante la fase de verificación donde fuera necesario. El PSAP del Censo del 2020 ahora está completo.
Gracias por su participación.
La información proporcionada durante el PSAP del Censo del 2020 asegura que las áreas estadísticas
usadas para tabular los datos del Censo del 2020, la Encuesta sobre la Comunidad de Puerto Rico (PRCS),
el Censo Económico y potencialmente otras encuestas censales sean precisas y estén completas. Para
preguntas o información adicional, comuníquese con el equipo del PSAP de la Oficina del Censo por
correo electrónico a por teléfono llamando al 1-844-788-4921 o visite el sitio
web del PSAP en .
Atentamente,

Albert E. Fontenot, Jr.
Director Asociado para los Programas del Censo Decenal

census.gov

E-1200
Email to Tribal PPO - Paper Maps
Subject: 2020 Census Participant Statistical Areas Program – Verification Phase Announcement

Entity ID:
BAS ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 statistical geographic area plans based on
submissions received during the delineation phase of the 2020 Census Participant Statistical Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and verify
your statistical areas, and to provide corrections where needed. Please see Appendix A for the list of
areas for which you are responsible for verifying and correcting and complete the action steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and optional training video:
a) 2020 Census PSAP Verification Tribal Statistical Geographies Quick Program Guide (Q-915).
b) 2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
c) 2020 Census PSAP Verification training video (Optional).
2) Review the 2020 statistical areas in TIGERweb and/or
in the Online PDF maps posted on the PSAP website to determine if corrections are needed. Refer to
the 2020 Census PSAP Verification Tribal Respondent Guide (G-800), available on the PSAP website,
for instructions to review and verify the statistical areas.
a) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.
3) If you determine updates are necessary:
a) Contact the Census Bureau prior to making major or significant corrections.
b) Complete the statistical area corrections by annotating the 2020 Census PSAP paper maps you
receive in support of the verification phase. These paper maps are scheduled to arrive by
February 1, 2020. Refer to the 2020 Census PSAP Tribal Paper Respondent Guide (G-700) from
the delineation phase for instructions on updating statistical area boundaries and preparing the
updated paper maps for submission. Consult the 2020 Census PSAP Verification Tribal
Respondent Guide (G-800) for specific verification phase instructions that enhance the
instructions in the delineation phase guide.
4) Return only the updated paper maps to the Census Bureau in the original map tube or envelope.
Please affix the postage-paid label over the original label before returning the map tube.

E-1200
Email to Tribal PPO - Paper Maps
5) Submit all corrections to the statistical areas within 90 calendar days of receipt of the verification
announcement. The Census Bureau will review all corrections to ensure they meet the established
criteria for the 2020 Census PSAP and will contact you if questions arise regarding your submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1-844-788-4921. All of the materials mentioned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Appendix A:
Areas to verify:

E-1205
Email to Tribal PPO – Request Paper Maps
Subject: 2020 Census Participant Statistical Areas Program – Verification Phase Announcement

Entity ID:
BAS ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 statistical geographic area plans based on
submissions received during the delineation phase of the 2020 Census Participant Statistical Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and verify
your statistical areas, and to provide corrections where needed. Please see Appendix A for the list of
areas for which you are responsible for verifying and correcting and complete the action steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and optional training video:
a) 2020 Census PSAP Verification Tribal Statistical Geographies Quick Program Guide (Q-915).
b) 2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
c) 2020 Census PSAP Verification training video (Optional).
2) Review the 2020 statistical areas in TIGERweb and/or
in the Online PDF maps posted on the PSAP website to determine if corrections are needed. Refer to
the 2020 Census PSAP Verification Tribal Respondent Guide (G-800), available on the PSAP website,
for instructions to review and verify the statistical areas.
a) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.
3) If you determine corrections are necessary:
a) Contact the Census Bureau to request paper maps so that corrections can be made. If you
believe significant corrections are needed, please discuss this with the Census Bureau when
requesting the maps.
b) Complete the statistical area corrections by annotating the 2020 Census PSAP paper maps you
receive in support of the verification phase. Refer to the 2020 Census PSAP Tribal Paper
Respondent Guide (G-700) from the delineation phase for instructions on updating statistical
area boundaries and preparing the updated maps for submission. Consult the 2020 Census PSAP
Verification Tribal Respondent Guide (G-800) for specific verification phase instructions that
enhance the instructions in the delineation phase guide.
4) Return only the updated paper maps to the Census Bureau in the original map tube or envelope.
Please affix the postage-paid label over the original label before returning the map tube.

E-1205
Email to Tribal PPO – Request Paper Maps
5) Submit all corrections to the statistical areas within 90 calendar days of receipt of the verification
announcement. The Census Bureau will review all corrections to ensure they meet the established
criteria for the 2020 Census PSAP and will contact you if there are questions regarding your
submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1-844-788-4921. All of the materials mentioned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Appendix A:
Areas to verify:

E-1220
Email to Tribal PPO - Using SWIM
Subject: 2020 Census Participant Statistical Areas Program – Verification Phase Announcement

Entity ID:
BAS ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 statistical geographic area plans based on
submissions received during the delineation phase of the 2020 Census Participant Statistical Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and verify
your statistical areas, and to provide corrections where needed. Please see Appendix A for the list of
areas for which you are responsible for verifying and correcting and complete the action steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and optional training video:
a) 2020 Census PSAP Verification Tribal Statistical Geographies Quick Program Guide (Q-915).
b) 2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
c) 2020 Census PSAP Verification training video (Optional).
d) 2020 Census PSAP Verification Online Portable Document File (PDF) maps, available for use to
conduct your review.
2) Review the 2020 statistical areas in TIGERweb and/or
in the Online PDF maps posted on the PSAP website to determine if corrections are needed. Refer to
the 2020 Census PSAP Verification Tribal Respondent Guide (G-800), available on the PSAP website,
for instructions to review and verify the statistical areas.
a) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.
3) If you determine corrections are necessary:
a) Contact the Census Bureau prior to making major or significant corrections.
b) Download and install the Geographic Update Partnership Software (GUPS) from the PSAP
website. Refer to the 2020 Census PSAP Verification Tribal Statistical Geographies Quick
Program Guide (Q-915) for instructions on downloading and installing GUPS.
c) Complete the statistical area corrections using GUPS. Refer to the 2020 Census PSAP Tribal GUPS
Respondent Guide (G-690) from the delineation phase for instructions on using GUPS to update

E-1220
Email to Tribal PPO - Using SWIM
statistical area boundaries and exporting the corrections for submission. Consult the 2020
Census PSAP Verification Tribal Respondent Guide (G-800) for specific verification phase
instructions that enhance the instructions in the delineation phase guide.
Note: If you requested to receive paper maps, you have the option of completing verification
phase corrections using those paper maps rather than using GUPS. Refer to the 2020 Census
PSAP Verification Tribal Respondent Guide (G-800) for specific instructions on making paper map
corrections and submitting them to the Census Bureau.
4) Use the Census Bureau’s Secure Web Incoming Module (SWIM) to return the statistical area
corrections (i.e., the .zip file generated by using Export to Zip tool within GUPS). Refer to the 2020
Census PSAP Verification Tribal Respondent Guide (G-800) for instructions on using SWIM and a
descriptive example.
5) Submit all corrections to the statistical areas within 90 calendar days of receipt of the verification
announcement. The Census Bureau will review all corrections to ensure they meet the established
criteria for the 2020 Census PSAP and will contact you if there are questions regarding your
submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1-844-788-4921. All of the materials mentioned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Appendix A:
Areas to verify:

E-1215
Email to Standard PPO
Subject: 2020 Census Participant Statistical Areas Program – Verification Phase Announcement

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 statistical geographic area plans based on
submissions received during the delineation phase of the 2020 Census Participant Statistical Areas
Program (PSAP). With receipt of this verification announcement, we now invite you to review and verify
your statistical areas, and to provide corrections where needed. Please see Appendix A for the list of
counties for which you are responsible for verifying and correcting and complete the action steps below.
Action Steps:
1) Visit the 2020 Census PSAP website to review the following program materials and optional training video:
a) 2020 Census PSAP Verification Standard Statistical Geographies Quick Program Guide (Q-910).
b) 2020 Census PSAP Quick Reference Guide(s) relevant to your statistical geographic areas.
c) 2020 Census PSAP Verification training video (Optional).
d) 2020 Census PSAP Verification Online Portable Document Format (PDF) maps available as an
additional resource for reviewing census tract numbering.
2) Review the 2020 statistical areas in TIGERweb to
determine if corrections are needed. Refer to the 2020 Census PSAP Verification Standard
Respondent Guide (G-810), available on the PSAP website, for instructions on the use of TIGERweb
to review and verify the statistical areas.
a) Consult with the governments/organizations that contributed input during the delineation
phase for their input on the verification phase materials.
b) Within 30 calendar days of receipt of this verification announcement, email
to indicate whether you do or do not have corrections for your
statistical areas.
3) Review the 2020 census tract numbering using the Online PDF maps available on the 2020 Census
PSAP website mentioned in Action Step 1. Refer to the 2020 Census PSAP Verification Standard
Respondent Guide (G-810) for additional details on their use.
4) If you determine updates are necessary:
a) Contact the Census Bureau prior to making major or significant corrections.

E-1215
Email to Standard PPO
b) Download and install the Geographic Update Partnership Software (GUPS) from the PSAP
website. Refer to the 2020 Census PSAP Verification Standard Statistical Geographies Quick
Program Guide (Q-910) for instructions on downloading and installing GUPS.
c) Complete the statistical area corrections using GUPS. Refer to the 2020 Census PSAP Standard
GUPS Respondent Guide (G-730) from the delineation phase for instructions on using GUPS to
update statistical area boundaries and exporting the corrections for submission. Consult the
2020 Census PSAP Verification Standard Respondent Guide (G-810) for specific verification phase
instructions that enhance the instructions in the delineation phase guide.
5) Use the Census Bureau’s Secure Web Incoming Module (SWIM) to return the statistical area
corrections (i.e., the .zip file generated by using Export to Zip tool within GUPS). Refer to the 2020
Census PSAP Verification Standard Respondent Guide (G-810) for instructions on using SWIM and a
descriptive example.
6) Submit all corrections to the statistical areas within 90 calendar days of receipt of the verification
announcement. The Census Bureau will review all corrections to ensure they meet the established
criteria for the 2020 Census PSAP and will contact you if there are questions regarding your
submission.
Participants may contact the Census Bureau PSAP team by email at or by
phone at 1-844-788-4921. All of the materials mentioned in this correspondence are located on the
PSAP website at .
Thank you for your participation in the 2020 Census PSAP.
Appendix A
Counties to verify:

E-1215-PR
Correo electrónico al PPO Estándar
Asunto: Programa de Áreas Estadísticas Participantes para el Censo del 2020 – Anuncio de la Fase de
Verificación

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado participante del Programa PSAP:
La Oficina del Censo de los EE. UU. finalizó recientemente los planes de las áreas geográficas estadísticas
del 2020 basados en los materiales recibidos durante la fase de delineación del Programa de Áreas
Estadísticas Participantes (PSAP) del Censo del 2020. Tras recibir este anuncio de verificación, le
invitamos a revisar y verificar sus áreas estadísticas, y a proporcionar correcciones donde sea necesario.
Consulte en el Apéndice A la lista de condados que usted es responsable de verificar y corregir, y
complete los pasos de acción a continuación.
Pasos de Acción:
1) Visite el sitio web del PSAP del Censo del 2020 para revisar los siguientes materiales del programa y el
video opcional de capacitación:
a) Guía de Verificación Rápida del Programa PSAP del Censo del 2020 de Zonas Geográficas
Estadísticas Estándares (Q-910).
b) Guía(s) de Referencia Rápida del PSAP del Censo del 2020 pertinente(s) a sus áreas geográficas
estadísticas.
c) Video de capacitación de Verificación del PSAP del Censo del 2020 (Opcional).
d) Los mapas en línea de Verificación del PSAP en Formato de Documento Portátil (PDF) del Censo
del 2020 están disponibles como recursos adicionales para revisar la numeración de los sectores
censales.
2) Revise las áreas estadísticas del 2020 en TIGERweb
para determinar si es necesario hacer correcciones. Consulte la Guía de Verificación Estándar para
Participantes del PSAP del Censo del 2020 (G-810), disponible en el sitio web del PSAP, para
instrucciones sobre el uso de TIGERweb para revisar y verificar áreas estadísticas.
a) Consulte con los gobiernos/organizaciones que contribuyeron durante la fase de delineación
para obtener sus comentarios sobre los materiales de la fase de verificación.

E-1215-PR
Correo electrónico al PPO Estándar

3)

4)

5)

6)

b) En un plazo de 30 días calendario después de haber recibido el anuncio de verificación, envíe
un correo electrónico a para indicar si tiene o no correcciones para
sus áreas estadísticas.
Revise la numeración de los sectores censales del 2020 usando los mapas en línea en formato PDF
disponibles en el sitio web del PSAP del Censo del 2020 mencionados en el Paso de Acción 1.
Consulte la Guía de Verificación Estándar para Participantes del PSAP del Censo del 2020 (G-810)
para obtener más detalles sobre su uso.
Si usted determina que se requieren actualizaciones:
a) Comuníquese con la Oficina del Censo antes de hacer correcciones importantes o significativas.
b) Descargue e instale el Software de Colaboración para la Actualización Geográfica (GUPS) del
sitio web del PSAP. Consulte la Guía de Verificación Rápida del Programa PSAP del Censo del
2020 de Zonas Geográficas Estadísticas Estándares (Q-910) para obtener instrucciones sobre
cómo descargar e instalar GUPS.
c) Complete las actualizaciones de las áreas estadísticas usando GUPS. Consulte la Guía Estándar
de GUPS para Participantes del PSAP del Censo del 2020 (G-730) desde la fase delineación para
obtener instrucciones sobre cómo usar GUPS para actualizar los límites de las áreas estadísticas
y exportar las correcciones para enviarlas. Consulte la Guía de Verificación Estándar para
Participantes del PSAP del Censo del 2020 (G-810) para obtener instrucciones específicas sobre
la fase de verificación que complementan las instrucciones de la guía de la fase de delineación.
Use el Secure Web Incoming Module (SWIM) de la Oficina del Censo para devolver las correcciones
de las áreas estadísticas (por ejemplo, el archivo .zip generado al usar la herramienta de Exportar al
Archivo Zip en GUPS). Consulte la Guía de Verificación Estándar para Participantes del PSAP del
Censo del 2020 (G-810) para obtener instrucciones sobre cómo usar SWIM y un ejemplo descriptivo.
Envíe todas las correcciones a las áreas estadísticas en un plazo de 90 días calendario después de
haber recibido el anuncio de verificación. La Oficina del Censo revisará todas las correcciones para
garantizar que cumplan con los requisitos establecidos para el PSAP del Censo del 2020 y se
comunicará con usted si hay preguntas sobre el envío.

Los participantes pueden comunicarse con el equipo del Programa PSAP de la Oficina del Censo por
correo electrónico a o por teléfono llamando al 1-844-788-4921. Todos los
materiales mencionados en esta correspondencia están localizados en el sitio web del PSAP en
. Gracias por su
participación en el Programa PSAP del Censo del 2020.
Apéndice A
Condados por verificar:

E-1225
Email to PSAP PPT
Subject: 2020 Census Participant Statistical Areas Program – Verification Phase Announcement

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Technical Participant:
The U.S. Census Bureau recently finalized the 2020 statistical geographic area plans based on
submissions received during the delineation phase of the 2020 Census Participant Statistical Areas
Program (PSAP). The PSAP verification phase materials were provided to the primary PSAP participant in
January 2020 for review to determine if corrections are needed. As a PSAP technical participant, please
work with the primary PSAP participant to review and verify your statistical areas and to provide
corrections where needed. Corrections must be completed within 90 calendar days from receipt of the
verification phase announcement.
Locate the information regarding the PSAP verification phase and/or the primary PSAP participant on
the PSAP website at
or contact the Census Bureau PSAP team by email at or by phone at
1-844-788-4921 for that information. Thank you for your participation in the 2020 Census PSAP.

1

E-1225-PR
Correo electrónico al PPT del PSAP
Asunto: Programa de Áreas Estadísticas Participantes para el Censo del 2020 – Anuncio de la Fase de
Verificación

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado Participante Técnico del Programa PSAP:
La Oficina del Censo de los EE. UU. finalizó recientemente los planes de las áreas geográficas estadísticas
del 2020 basados en los materiales recibidos durante la fase de delineación del Programa de Áreas
Estadísticas Participantes (PSAP) del Censo del 2020. Los materiales de la fase de verificación del PSAP se
proporcionaron al participante primario del PSAP en enero del 2020 para su revisión a fin de determinar
si es necesario hacer correcciones. Como participante técnico del PSAP, por favor trabaje con el
participante principal del PSAP para revisar y verificar sus áreas estadísticas y proporcionar correcciones
donde sea necesario. Las correcciones deben completarse en un plazo de 90 días calendario después de
haber recibido el anuncio de la fase de verificación.
Busque la información sobre la fase de verificación del PSAP y/o el participante primario del PSAP en el
sitio web del PSAP en
o comuníquese con el equipo del PSAP de la Oficina del Censo por correo electrónico a
o por teléfono llamando al 1-844-788-4921 para obtener esa información.
Gracias por su participación en el Programa PSAP del Censo del 2020.

1

E-1230
Email to PSAP PCC
Subject: 2020 Census Participant Statistical Areas Program – Verification Phase Announcement

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
Your government/organization expressed interest in providing input to the statistical geographies
reviewed and updated as part of the U.S. Census Bureau’s 2020 Census Participant Statistical Areas
Program (PSAP). The PSAP verification phase materials were provided to the primary PSAP participant in
January 2020 for review to determine if corrections are needed. Corrections must be completed within
90 calendar days from receipt of the verification phase announcement.
To provide input, please contact the primary PSAP participant responsible for the review and corrections
of the statistical geographies for your area. Locate the information regarding the PSAP verification phase
and/or the primary PSAP participant on the PSAP website at or contact the Census Bureau PSAP team by email at
or by phone at 1-844-788-4921 for that information. Thank you for your
interest in the 2020 Census PSAP.

1

E-1230-PR
Correo electrónico al PCC del PSAP
Asunto: Programa de Áreas Estadísticas Participantes para el Censo del 2020 – Anuncio de la Fase de
Verificación

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado Participante del Programa PSAP:
Su gobierno/organización expresó recientemente interés en proporcionar comentarios sobre las áreas
geográficas estadísticas revisadas y actualizadas como parte del Programa de Áreas Estadísticas
Participantes (PSAP) del Censo del 2020 de la Oficina del Censo de los EE. UU. Los materiales de la fase
de verificación del PSAP se proporcionaron al participante primario del PSAP en enero del 2020 para su
revisión a fin de determinar si es necesario hacer correcciones. Las correcciones deben completarse en
un plazo de 90 días calendario después de haber recibido el anuncio de la fase de verificación.
Para proporcionar información, comuníquese con el participante primario del PSAP responsable de las
revisiones y correcciones de las áreas geográficas estadísticas en su área. Busque la información sobre la
fase de verificación del PSAP y/o el participante primario del PSAP en el sitio web del PSAP en
o comuníquese con el
equipo del PSAP de la Oficina del Censo por correo electrónico a o por teléfono
llamando al 1-844-788-4921 para obtener esa información. Gracias por su interés en el Programa PSAP
del Censo del 2020.

1

E-1240
NRFU Email
Subject: 2020 Census Participant Statistical Areas Program – Verification Follow-up

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau recently finalized the 2020 statistical geographic area plans based on
submissions received during the delineation phase of the 2020 Census Participant Statistical Areas
Program (PSAP). In mid-January, we distributed a verification announcement that invited you to review
and verify your statistical areas, and to provide corrections where needed. The verification
announcement indicated participants have 90 calendar days to submit corrections.
If you have already submitted your corrections or informed the Census Bureau that you do not have
corrections to submit, please disregard this message. If not, please email to
indicate whether you have any corrections to submit. Review the verification announcement
correspondence for the action steps to complete the PSAP verification process in the time remaining.
Please note that late submissions will not be accepted.
For questions or additional information, contact the Census Bureau PSAP team by email at
, by phone at 1-844-788-4921, or visit the PSAP website at
. Thank you for your
participation in the 2020 Census PSAP.

E-1240-PR
Correo electrónico de NRFU
Asunto: Programa de Áreas Estadísticas Participantes del Censo del 2020 – Seguimiento de la
Verificación

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado participante del Programa PSAP:
La Oficina del Censo de los EE. UU. finalizó recientemente los planes de las áreas geográficas estadísticas
del 2020 basados en los materiales recibidos durante la fase de delineación del Programa de Áreas
Estadísticas Participantes (PSAP) del Censo del 2020. A mediados de enero, distribuimos un anuncio de
verificación que le invitaba a usted a revisar y verificar sus áreas estadísticas, y a proporcionar
correcciones donde fuera necesario. El anuncio de verificación indicaba que los participantes tenían 90
días calendario para enviar actualizaciones.
Si usted ya envió sus correcciones o informó a la Oficina del Censo que no tiene correcciones, ignore
este mensaje. Si no, envíe un correo electrónico a para indicar si tiene alguna
corrección que enviar. Revise en la correspondencia del anuncio de verificación los pasos de acción para
completar el proceso de verificación del PSAP en el tiempo restante. Tenga en cuenta que no se
aceptarán envíos atrasados.
Para preguntas o información adicional, comuníquese con el equipo del PSAP de la Oficina del Censo por
correo electrónico a por teléfono llamando al 1-844-788-4921 o visite el sitio
web del PSAP en .
Gracias por su participación en el Programa PSAP del Censo del 2020.

E-1250
Verification Phase Close-out Email
Subject: 2020 Census Participant Statistical Areas Program – Verification Phase Close-out

Entity ID:

FROM THE ASSOCIATE DIRECTOR FOR DECENNIAL CENSUS PROGRAMS
Dear PSAP Participant:
The U.S. Census Bureau has finalized the 2020 Census Participant Statistical Areas Program (PSAP)
statistical geographic areas, incorporating updates submitted during the verification phase, where
appropriate. The 2020 Census PSAP is now complete. Thank you for your participation.
The information provided during 2020 Census PSAP ensures the accuracy and completeness of statistical
areas used to tabulate data for the 2020 Census, the American Community Survey (ACS), the Economic
Census, and potentially other census surveys. For questions or additional information, contact the
Census Bureau PSAP team by email at , by phone at 1-844-788-4921, or visit the
PSAP website at .

E-1250-PR
Correo electrónico de Cierre de la Fase de Verificación
Asunto: Programa de Áreas Estadísticas Participantes del Censo del 2020 – Cierre de la Fase de
Verificación

Identificación de la Entidad:

DEL DIRECTOR ASOCIADO PARA PROGRAMAS DEL CENSO DECENAL
Estimado participante del Programa PSAP:
La Oficina del Censo de los EE. UU. ha finalizado el Programa de Áreas Estadísticas Participantes (PSAP)
del Censo del 2020 para áreas geográficas estadísticas, incorporando actualizaciones enviadas durante la
fase de verificación donde fuera necesario. El PSAP del Censo del 2020 ahora está completo. Gracias por
su participación.
La información proporcionada durante el PSAP del Censo del 2020 asegura que las áreas estadísticas
usadas para tabular los datos del Censo del 2020, la Encuesta sobre la Comunidad de Puerto Rico (PRCS),
el Censo Económico y potencialmente otras encuestas censales sean precisas y estén completas. Para
preguntas o información adicional, comuníquese con el equipo del PSAP de la Oficina del Censo por
correo electrónico a por teléfono llamando al 1-844-788-4921 o visite el sitio
web del PSAP en .

Thank you for your participation in the Census Bureau’s Participant Statistical Areas (PSAP) program. You
should have recently received a notification letting you know that the verification phase has begun. The
primary purpose of this phase is so that you can confirm that the changes you made to statistical area
boundaries during PSAP were done correctly.
In addition, you should be paying particular attention to the Census Designated Places (CDPs). During
the PSAP review phase, you were supplied a proposed 2020 plan, however that plan did not include the
proposed changes to the CDPs. The Census Bureau’s proposed CDP changes and additions are present in
the verification phase for you to review at this time. Please be aware that in some cases, changes you
made to the CDPs during the review phase have been combined with the proposed changes.
You have 90 days to complete your verification, but we ask that you let us know within 30 days if you
think you will have any changes. For more information about the verification phase, including quick
program guides and respondent guides, please visit the PSAP website at
https://www.census.gov/programs-surveys/decennial-census/about/psap.html
If you have further questions about the verification phase, the materials on the website, or the PSAP
program in general, feel free to contact our regional office by phone or email.
The Geography Team, Los Angeles Regional Census Center, U.S. Census Bureau
Office 213.314.6250 [email protected]
census.gov Connect with us on Social Media

Good PSAP Participants,

The U.S. Census Bureau recently finalized the 2020 statistical geographic area plans based on
submissions received during the delineation phase of the 2020 Census Participant Statistical
Areas Program (PSAP). This January, we will invite you to review and verify your statistical
areas and to provide corrections where needed. If you have questions about which counties you
are responsible for reviewing, please contact the Geography Department at the New York
Regional Census Center at 1-212-882-2150 or [email protected].
Further details are located on the PSAP website at . Participants may also contact the Census Bureau
PSAP team by email at or by phone at 1-844-788-4921.
Thank you for participating in the 2020 Census PSAP.

Kind regards,
Geography Dept.

Q-910

Standard Statistical Geographies - Quick Program Guide
2020 Census Participant Statistical Areas Program (PSAP) Verification Phase
The 2020 Census PSAP verification phase provides an opportunity to ensure the 2020 statistical areas are acceptable and
reflect the edits made by participants and the Census Bureau during the 2020 Census PSAP delineation phase. It serves as
the final review of the statistical areas that will be used to tabulate the results of the 2020 Census, the American
Community Survey (and Puerto Rico Community Survey), the Economic Census, and potentially other census surveys.
Following receipt of the verification announcement (i.e., email or letter), begin with the information provided in this Quick
Program Guide to review and verify the 2020 statistical geographies that apply to your county(s). Provide corrections to the
statistical area boundaries or attributes (e.g., census tract codes, block group codes, census designated place (CDP) names
or census county division (CCD) names) where needed. Locate detailed instructions within the respondent guides listed
below as part of the program materials.
I. Review Program Materials
Visit the 2020 Census PSAP website to
review the applicable materials listed below. Please note, the program materials are either found within the 2020 Census
PSAP Verification Materials section or the 2020 Census PSAP Delineation Materials section.
2020 Census PSAP Verification Materials

2020 Census PSAP Delineation Materials














2020 Census PSAP Verification Standard
Respondent Guide (G-810).
2020 Census PSAP Verification Training
Demonstration Video, pre-recorded, not
interactive/live.
2020 Census PSAP Verification Online Portable
Document Format (PDF) maps, available as an
additional resource to assist with the review of
census tract coding.
2020 Census PSAP Verification New Census
Designated Places (CDPs) file, for use in
reviewing new CDPs.
2020 Census PSAP Quick Reference Guide:
Census Tracts (G-650) or (G-650PR) for Puerto
Rico participants.
2020 Census PSAP Quick Reference Guide:
Block Groups (G-640) or (G-640PR) for Puerto
Rico participants.
2020 Census PSAP Quick Reference Guide:
Census Designated Places (G-615) or (G-615PR)
for Puerto Rico participants.
2020 Census PSAP Quick Reference Guide:
Census County Divisions (G-660), if applicable
to your state.



2020 Census PSAP Standard Respondent Guide
(G-730), for use if corrections are necessary.
2020 Census PSAP Standard GUPS training
materials (e.g., webinar recording,
presentation, and script), for use if corrections
are necessary and seek a refresher on GUPS.

.

See Section II for information on using TIGERweb to review the statistical area boundaries. See Section III for information on
using the Online PDF maps to review census tract coding.

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II. Review 2020 Statistical Areas Using TIGERweb
TIGERweb is a web-based system that allows users to visualize the Topologically Integrated Geographic Encoding and
Referencing system or database (TIGER) data, including statistical area boundaries and attributes. The TIGERweb
Applications choice within TIGERweb provides a simple way to view TIGER data without Geographic Information System
(GIS) software and without downloading data. It allows users to select features and view attributes, to search for features
by name or geocode, and to identify features by selecting them from a map. The TIGERweb Web Mapping Service (WMS)
and TIGERweb Representational State Transfer (REST) Services choices allow users to integrate census data into their own
GIS or custom web-based applications.
Refer to Chapter 2 of the 2020 Census PSAP Verification Standard Respondent Guide (G-810) or to the online TIGERweb User
Guide for detailed instructions on the use of all three choices within TIGERweb. The steps below provide only high-level
guidance on how to utilize the TIGERweb online application to review the 2020 statistical areas.
1.

Use TIGERweb to review the 2020 statistical areas and determine if corrections are needed. To determine what
counties to review, refer to the verification announcement.
 Access TIGERweb at . A link to
TIGERweb is also on the PSAP website within the 2020 Census PSAP Verification Materials section.
 Select the TIGERweb Applications tab to use the online application. Choose either the WMS or REST Services
tabs to use the web services functionality to load TIGER data into the local GIS or web based application.
 For those using the online application, from the left side of the browser window, select TIGERweb. Do not
select TIGERweb Decennial or TIGERweb Economic Census.
 TIGERweb launches in a new browser window. When it opens, a map of the continental United States appears
in the center of the screen and a list of layers on the left side of the screen.
 Within the Layers tab on the left side of the screen, ensure the Select Vintage: drop-down menu is set to
Current. This is very important to view the 2020 statistical areas. Note: Even though the 2020 statistical areas
are included in the Current vintage and made available to the public through TIGERweb, they are not yet used
in most data products since they will not be finalized until after the verification phase concludes.
 Within Layers panel, turn on the relevant layers, e.g., Census Tracts and Blocks and Places and County
Subdivisions by using the checkmark and ensure Labels and Hydrography remain checked. Check other layers
(e.g., Transportation) as appropriate to assist with review. Layers are scale dependent and not visible onscreen until the appropriate scale is reached.
 Zoom by using the Zoom In scrollbar, the rollerball on the mouse, or use the Query tool (globe icon with
magnifying glass in upper right of the screen) to query for a specific county.
 Within the Query tool, ensure the Attribute tab is active. Choose States and Counties from the Select Map…
drop-down menu, then select Counties within the Select Layer(s) section and type all (or part) of the name of
the county to locate in the Enter Name of Feature section AND/OR all or part of Federal Information
Processing Series (FIPS) code in the Enter GEOID of Feature section. Locate the FIPS code for your county(s)
within the verification announcement. Click SUBMIT and TIGERweb zooms to the extent of the county. Note: If
a county name repeats among states, the query returns all counties with that name in the Query Results
section of the Task Results tab along the left side of the screen. Click the correct county to review and
TIGERweb zooms to the extent of that county.
 From the extent of the county, zoom in further to display the census tract and block group boundaries as well
as the CDP and CCD boundaries (if applicable).
 Zoom and pan around the county, checking the statistical area boundaries and attributes to confirm they align
with your expectations. Note: see section III for information on the Online PDF maps, which may be useful for
reviewing census tract coding.
 Additionally, users can utilize the Query tool to query for individual statistical geographies within the map
extent of the county previously queried. Refer to Table 2 within the 2020 Census PSAP Verification Standard
Respondent Guide (G-810) for those details.

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Q-910

2.

Within 30 calendar days of receipt of the verification announcement, the Census Bureau requests either the PSAP
primary official contact or the PSAP primary technical contact email to provide
notification on whether or not corrections are needed to the statistical areas within their county(s).
A complete review of a county is not required to notify the Census Bureau of pending corrections. Evidence of any
correction allows for the email notifying that corrections are forthcoming. Conversely, if the review concludes no
corrections are required, notification allows the Census Bureau to proceed with the statistical areas as they exist.
For participants with more than one county to review, the Census Bureau suggests a quick review of each county
so that notification can be sent for all of your responsible counties at once within the requested timeframe.
 If the Census Bureau does not receive email notification of approval and has not received a verification phase
submission containing corrections for your county(s) halfway through the review period (i.e., approximately 45
calendar days from receipt of the verification announcement), a follow-up notification will be sent that
includes a reminder to notify the Census Bureau of your approval or of your intention to make a submission.
This notification reinforces the importance of an on-time submission. Late submissions will not be accepted.
3. If you determine corrections are necessary, contact the Census Bureau prior to making major or significant
corrections to receive guidance on how, or if, to proceed. However, if minor or a few corrections are necessary
follow the remaining steps in this Quick Program Guide to complete the statistical area corrections.
IMPORTANT: If census tract coding was not reviewed in TIGERweb, please proceed to the next section; otherwise, if no
corrections to the statistical area boundaries or attributes are identified there is no need to proceed with the subsequent
steps within this Quick Program Guide.
III. Review 2020 Census Tract Coding Using Online PDF Maps (i.e., Census Tract Code Review Maps)
The Census Bureau created county-based, Online PDF maps that show the census tract boundaries, census tract coding
(labels), and other common map features to assist with the review of the 2020 census tract coding. It is not available in
printed form. While census tract codes can be reviewed in TIGERweb, the Census Bureau believes this Online PDF map
product allows participants to more easily scan and review the coding scheme to ensure any long standing or existing
coding patterns are maintained throughout the 2020 Census PSAP process. Because this product does not include all of the
statistical area types, it should not be used to review the statistical area boundaries.
Refer to Chapter 3 of the 2020 Census PSAP Verification Standard Respondent Guide (G-810) for corresponding information
on this map product. The steps below provide high-level guidance on how to locate and view the Online PDF maps of
Census Tracts.
1.

Open a new internet browser and navigate to the PSAP website . Scroll down the page to the 2020 Census PSAP Verification
Materials section to locate the Online PDF Maps – Census Tract sub-section.
2. Click the Choose a State to View section, then select the name of state in which the county to review is located
from the drop-down menu. The system routes participants to a file transfer protocol (FTP) directory for that state
where individual PDF census tract maps for each county within the state appear.
 The file naming convention is PSAPV20CT.pdf, where corresponds to the five digit state/county
FIPS code listed on the verification announcement for your responsible county(s). For example, Ramsey County,
Minnesota would be PSAPV20CT27123.pdf and Arroyo Municipio, Puerto Rico would be PSAPV20CT72015.pdf.
3. Click the PDF file name to open the map directly from the website or to save the file locally for later use. Follow the
on-screen instructions for downloading and saving the file. If using the file locally, ensure use of either Adobe
Reader® or Adobe Acrobat® to preserve map symbology and readability.
4. With the county-based PDF file open, zoom and pan around the county reviewing the census tract coding to
confirm it aligns with your expectations. If more than one map sheet is necessary to depict all of the census tracts
within a county, the PDF file is bundled to include multiple sheets. Review each map sheet within the county to
conduct a complete review.
5. If you determine corrections are necessary, make note of the census tracts with coding errors and proceed with
the instructions in this Quick Program Guide.
IMPORTANT: There is no need to proceed with the subsequent steps within this Quick Program Guide if no corrections to
the census tract coding are identified and no previous statistical area corrections were noted when using TIGERweb.

U.S. Census Bureau

2020 Census PSAP Verification Standard Statistical Geographies Quick Program Guide

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Q-910

IV. Download and Install GUPS
IMPORTANT: The GUPS version for the verification phase uses a newer version of software than the one used during the
delineation phase (i.e., on the QGIS 3 Madeira platform rather than QGIS 2 Las Palmas platform). Participants must
download and install the newer version to make corrections during the verification phase.
1.

Open a new internet browser window and navigate to the PSAP website . Scroll down the page to the 2020 Census PSAP Verification
Materials section and click Download the GUPS. Use Save As rather than Save to choose a specific folder location
on the local computer to download the file. The software is within a .zip file.
2. Navigate to the folder location of the saved .zip file and unzip the file to extract its contents. Please note,
administrative privileges to install GUPS on a local computer are likely necessary. Check with the local system
administrator regarding software installation protocol prior to contacting the Census Bureau for assistance with
installation. The contact information is located at the bottom of this Quick Program Guide.
3. From the folder where the .zip file extracted, double-click the SETUP-. bat file to start the installation.
Regardless of the version number of the file, there will be only one SETUP .bat file to choose.
4. The Welcome to QGIS screen appears that allows a participant to import their previous settings from QGIS 2 or
starting clean. Choose Start Clean and click Let’s get started to proceed. Note, if a new version of GUPS that uses
QGIS 3 is already installed, this window may not appear.
5. When the software installer opens, the Welcome to the QGIS Setup Wizard screen appears. Read the screen and
click Next to proceed.
6. The License Agreement screen appears. Review the license agreement and click I Agree to proceed with
installation.
7. The Choose Install Location screen appears. For performance and stability, the Census Bureau recommends
installation to the default directory even though the Browse button allows for changing of the installation
directory. Click Next to continue.
8. The Choose Components screen appears. Leave the defaults. Click Install to continue.
9. The software may take five to 10 minutes to install, so please be patient. When complete, the Completing the
QGIS Setup Wizard screen appears. Click Finish to complete the installation of QGIS.
10. Next, the GUPS Install Setup: Complete screen appears showing the status of GUPS installation. Do not close the
window while GUPS installs. Once it completes, click Close.
11. With the previous step, both QGIS and GUPS are installed and ready for use.
V. Open GUPS and Launch the Participant Statistical Areas Program Verification Program
With the new version of GUPS installed, use these instructions to begin a project to perform verification phase corrections.
1.
2.
3.
4.

5.
6.

Select QGIS 3.4.4 Desktop within the QGIS 3.4 Program Menu on the Start Menu or within the QGIS 3.4 desktop
icon to launch GUPS. None of the other software (e.g., GRASS) that installed with QGIS are necessary to use.
A QGIS start-up/splash screen appears showing the progress of opening the software and is followed by the QGIS
Tips screen. Dismiss the Tips screen.
The Map Management window opens. Select Participant Statistical Area Program Verification from the Program
menu.
Select the County Based User for the User Type, the state of the county for review for the State, and the county to
make corrections for the Working County. Do not select any adjacent counties unless they assist with the review
of the county selected as the Working County. As with the delineation phase, participants complete their
verification corrections county-by-county.
Choose Census Web from the Select Data Folder, Directory or Location window to download the data directly into
GUPS.
Refer to Part 3 of the 2020 Census PSAP Standard Respondent Guide (G-730) used during the delineation phase for
instructions on using GUPS to make corrections to the statistical area boundaries and consult the 2020 Census
PSAP Verification Standard Respondent Guide (G-810) for specific verification phase instructions.

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Q-910

VI. Submit Corrections
Please submit all corrections to the statistical areas within 90 calendar days of receiving the verification announcement. The
Census Bureau will review all corrections to ensure they meet the established criteria for the 2020 Census PSAP and will
contact participants if there are questions.
Return corrections to the statistical areas, in the form of a county-based .zip file exported from GUPS, using the Census
Bureau’s Secure Web Incoming Module (SWIM). Locate SWIM at . A link to the SWIM
website is also located on the PSAP website. Refer to Chapter 6 of the 2020 Census PSAP Verification Standard Respondent
Guide (G-810) for a descriptive SWIM example.
Please note, because of your participation in PSAP, it is likely a SWIM account already exists for the person who sent the
delineation phase submission. If a new SWIM account is necessary, if you encounter problems accessing your existing SWIM
account, or if questions remain after consulting the respondent guides, please contact the Census Bureau by phone at
1-844-788-4921 or by email at for additional assistance.

U.S. Census Bureau

2020 Census PSAP Verification Standard Statistical Geographies Quick Program Guide

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Q-915

Tribal Statistical Geographies - Quick Program Guide
2020 Census Participant Statistical Areas Program (PSAP) Verification Phase
The 2020 Census PSAP verification phase provides an opportunity to ensure the 2020 statistical areas are acceptable and
reflect the edits made by participants and the Census Bureau during the 2020 Census PSAP delineation phase. It serves as
the final review of the statistical areas that will be used to tabulate the results of the 2020 Census, the American
Community Survey, the Economic Census, and potentially other census surveys.
Following receipt of the verification announcement (i.e., email or letter), begin with the information provided in this Quick
Program Guide to review and verify the 2020 statistical geographies that apply to your tribal area. Provide corrections to
the statistical area boundaries and attributes (e.g., tribal census tract codes, tribal block group codes, CDP names, and tribal
statistical area names) where needed. Locate detailed instructions within the respondent guides listed below as part of the
program materials.
I. Review Program Materials
Visit the 2020 Census PSAP website to
review the applicable materials listed below. Please note, the program materials are either found within the 2020 Census
PSAP Verification Materials section or the 2020 Census PSAP Delineation Materials section.
2020 Census PSAP Verification Materials













2020 Census PSAP Verification Tribal Respondent Guide (G-800). Unlike the delineation phase, there is only
one respondent guide for verification.
2020 Census PSAP Verification Training Demonstration Video, pre-recorded, not interactive/live. Unlike during
the delineation phase, there is only one training demonstration video for the verification phase.
2020 Census PSAP Verification Online Portable Document Format (PDF) maps, available as an additional
resource to use for reviewing tribal statistical areas and their attributes.
2020 Census PSAP Verification New Census Designated Places (CDPs) file, for use in reviewing new CDPs.
2020 Census PSAP Quick Reference Guide: Tribal Census Tracts (G-610).
2020 Census PSAP Quick Reference Guide: Tribal Block Groups (G-600).
2020 Census PSAP Quick Reference Guide: Census Designated Places (G-615).
2020 Census PSAP Quick Reference Guide: Alaska Native Village Statistical Areas (G-622).
2020 Census PSAP Quick Reference Guide: Oklahoma Tribal Statistical Areas (G-623).
2020 Census PSAP Quick Reference Guide: State American Indian Reservation (G-625).
2020 Census PSAP Quick Reference Guide: State Designated Tribal Statistical Areas (G-621).
2020 Census PSAP Quick Reference Guide: Tribal Designated Statistical Areas (G-620).

2020 Census PSAP Delineation Materials





2020 Census PSAP Tribal Respondent Guide (G-690), for use if corrections are necessary.
2020 Census PSAP Tribal Paper Respondent Guide (G-700), for use if corrections are necessary.
2020 Census PSAP Tribal GUPS training materials (e.g., webinar recording, presentation, and script), for use if
corrections are necessary and seek a refresher on GUPS.
2020 Census PSAP Tribal Paper training materials (e.g., presentation and script), for use if corrections are
necessary and seek a refresher on the use of paper maps. There is no delineation phase webinar recording for
paper participants.

See Section II for information on using TIGERweb to review the statistical area boundaries. See Section III for information on
using the Online PDF maps to review the statistical area boundaries.

U.S. Census Bureau

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Q-915

II. Review 2020 Statistical Areas Using TIGERweb
Tribal participants can use TIGERweb to review their statistical areas. To use the Online PDF maps rather than TIGERweb to
review the statistical areas, skip to Section III.
TIGERweb is a web-based system that allows users to visualize the Topologically Integrated Geographic Encoding and
Referencing system or database (TIGER) data, including statistical area boundaries and attributes. The TIGERweb
Applications choice within TIGERweb provides a simple way to view TIGER data without Geographic Information System
(GIS) software and without downloading data. It allows users to select features and view attributes, to search for features
by name or geocode, and to identify features by selecting them from a map. The TIGERweb Web Mapping Service (WMS)
and TIGERweb Representational State Transfer (REST) Services choices allow users to integrate census data into their own
GIS or custom web-based applications.
Refer to Chapter 2 of the 2020 Census PSAP Verification Tribal Respondent Guide (G-800) or to the online TIGERweb User
Guide for detailed instructions on the use of all three choices within TIGERweb. The steps below provide only high-level
guidance on how to utilize the TIGERweb online application to review the 2020 statistical areas.
1.

Use TIGERweb to review the 2020 statistical areas and determine if corrections are needed. To determine what
tribal areas to review, refer to the verification announcement.
 Access TIGERweb at . A link to
TIGERweb is also on the PSAP website within the 2020 Census PSAP Verification Materials section.
 Select the TIGERweb Applications tab to use the online application. Choose either the WMS or REST Services
tabs to use the web services functionality to load TIGER data into the tribal GIS or web based application.
 For those using the online application, from the left side of the browser window, select TIGERweb. Do not
select TIGERweb Decennial or TIGERweb Economic Census.
 TIGERweb launches in a new browser window. When it opens, a map of the continental United States appears
in the center of the screen and a list of layers on the left side of the screen.
 Within the Layers tab on the left side of the screen, ensure the Select Vintage: drop-down menu is set to
Current. This is very important to view the 2020 statistical areas. Note: Even though the 2020 statistical areas
are included in the Current vintage and made available to the public through TIGERweb, they are not yet used
in most data products since they will not be finalized until after the verification phase concludes.
 Within Layers panel, turn on the relevant layers, e.g., American Indian, Alaska Native, and Native Hawaiian
Areas, Tribal Census Tracts and Block Groups, and Places and County Subdivisions by using the checkmark
and ensure Labels and Hydrography remain checked. Check other layers (e.g., Transportation) as appropriate
to assist with review. Layers are scale dependent and not visible on-screen until the appropriate scale is
reached.
 Zoom by using the Zoom In scrollbar, the rollerball on the mouse, or use the Query tool (globe icon with
magnifying glass in upper right of the screen) to query for a specific tribal area.
 Within the Query tool, ensure the Attribute tab is active. Choose American Indian, Alaska Native, and Native
Hawaiian Areas from the Select Map… drop-down menu, then select appropriate tribal area within the Select
Layer(s) section and type all (or part) of the name of the tribal area to locate in the Enter Name of Feature
section. Click SUBMIT and TIGERweb zooms to the extent of the tribal area. Note: If all (or part) of the tribal
area name repeats among several tribal areas, the query returns all tribal areas with that name in the Query
Results section of the Task Results tab along the left side of the screen. Click the correct tribal area to review
and TIGERweb zooms to the extent of that tribal area.
 From the extent of the tribal area, zoom in further to display the statistical areas applicable to your tribal area.
 Zoom and pan around the tribal area, checking the statistical area boundaries and attributes to confirm they
align with your expectations.
 Additionally, users can utilize the Query tool to query for individual statistical geographies within the map
extent of the tribal area previously queried. Refer to Table 2 within the 2020 Census PSAP Verification Tribal
Respondent Guide (G-800) for those details.

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2.

Within 30 calendar days of receipt of the verification announcement, the Census Bureau requests either the PSAP
primary official contact or the PSAP primary technical contact email to provide
notification on whether or not corrections are needed to the statistical areas within their tribal area(s). A complete
review of a tribal area is not required to notify the Census Bureau of pending corrections. Evidence of any
correction allows for the email notifying that corrections are forthcoming. Conversely, if the review concludes no
corrections are required, notification allows the Census Bureau to proceed with the statistical areas as they exist.
For participants with more than one tribal area to review, the Census Bureau suggests a quick review of each tribal
area so that notification can be sent for all of your responsible areas at once within the requested timeframe.
 If the Census Bureau does not receive email notification of approval and has not received a verification phase
submission containing corrections for your tribal area(s) halfway through the review period (i.e.,
approximately 45 calendar days from receipt of the verification announcement), a follow-up notification will
be sent that includes a reminder to notify the Census Bureau of your approval or of your intention to make a
submission. This notification reinforces the importance of an on-time submission. Late submissions will not be
accepted.
3. If you determine corrections are necessary, contact the Census Bureau prior to making major or significant
corrections to receive guidance on how, or if, to proceed. However, if minor or a few corrections are necessary
follow the remaining steps in this Quick Program Guide to complete the statistical area corrections.
 Participants using GUPS (i.e., Federal Reservations that review tribal census tracts and tribal block groups),
refer to Sections IV and V of this Quick Program Guide.
 Participants using paper maps, refer to Section VII of this Quick Program Guide. Participants that have not
received paper maps should contact the Census Bureau immediately to request paper maps.
IMPORTANT: There is no need to proceed with the subsequent steps within this Quick Program Guide if no corrections to
statistical areas are identified.
III. Review 2020 Statistical Areas Using Online PDF Maps
The Census Bureau created tribe specific, Online PDF maps for use in reviewing the 2020 statistical areas for participants
that do not wish to use TIGERweb to conduct their review. Do not attempt to print these materials for use in making
corrections. Paper maps are available for making corrections.
The file naming convention of the Tribal Online PDF maps, except for the Alaska Native Regional Corporation (ANRC) maps,
combines the map type abbreviation followed by a unique 11-digit numeric code
(e.g., <499RRRRAAAA>.pdf). Below are the seven map type abbreviations based on the type of
tribal entity.








PSAPV20FR for Federal American Indian Reservation
PSAPV20SR for State American Indian Reservation
PSAPV20RC for Alaska Native Regional Corporation
PSAPV20NV for Alaska Native Village Statistical Area
PSAPV20OT for Oklahoma Tribal Statistical Area
PSAPV20SD for State Designated Tribal Statistical Area
PSAPV20TD for Tribal Designated Statistical Area

The unique 11-digit numeric code appears on the bottom of the verification announcement to indicate each tribal area
under your responsibility to review and verify. The file naming convention for the ANRC maps use the map type
abbreviation mentioned above, but uses instead of <499RRRRAAAA>, where fffff is the five-digit Federal Information
Processing Series (FIPS) code for the ANRC (e.g., PSAPV20RC.pdf).
Refer to Chapter 3 of the 2020 Census PSAP Verification Tribal Respondent Guide (G-800) for corresponding information on
this map product. The steps below provide high-level guidance on how to locate and view the Online PDF maps for tribal
areas.

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1.

2.

3.

4.

5.

6.

Open a new internet browser window and navigate to the PSAP website < https://www.census.gov/programssurveys/decennial-census/about/psap.html>, scroll down the page to the 2020 Census PSAP Verification Materials
section to locate the Online PDF Maps - Tribal sub-section.
Click the link for the type of tribal entity for your tribal area(s) from the list of American Indian Areas (i.e., Federal
Reservations, State Reservations, Alaska Native Regional Corporations, Alaska Native Village Statistical Areas,
Oklahoma Tribal Statistical Areas, State Designated Tribal Statistical Areas, or Tribal Designated Statistical Areas).
The system routes participants to a file transfer protocol (FTP) directory for the type of tribal entity selected that
shows sub-folders for each tribal area within that tribal entity type.
Within the type of tribal entity directory, scroll through the list of sub-folders to locate the one that corresponds
with the tribal area for review and click it. The tribal area sub-folder naming convention incorporates the tribal
area code (i.e., the last four digits of unique 11-digit code or the five-digit FIPS code for ANRCs) and the name of
the tribal area.
 Federal Reservations sub-folder naming convention = r_, where AAAA corresponds to
the last four digits of the unique 11-digit code.
 State Reservations sub-folder naming convention = r_, where AAAA corresponds to the
last four digits of the unique 11-digit code.
 Alaska Native Regional Corporations sub-folder naming convention = r_, where fffff
corresponds to the five digit FIPS code of the ANRC.
 Alaska Native Village Statistical Areas sub-folder naming convention = s_, where
AAAA corresponds to the last four digits of the unique 11-digit code.
 Oklahoma Tribal Statistical Areas sub-folder naming convention = s_, where AAAA
corresponds to the last four digits of the unique 11-digit code.
 State Designated Tribal Statistical Areas sub-folder naming convention = s_, where
AAAA corresponds to the last four digits of the unique 11-digit code.
 Tribal Designated Statistical Areas sub-folder naming convention = s_, where AAAA
corresponds to the last four digits of the unique 11-digit code.
From the tribal area sub-folder, the individual PDF tribal area map(s) appear. Click the PDF file name to open the
file directly from the website or to save the file locally for later use. Follow the on-screen prompts for downloading
and saving the file. If using the file locally, ensure use of either Adobe Reader® or Adobe Acrobat® to preserve map
symbology and readability.
With the tribal area-based PDF file open, zoom and pan around the tribal area to review the statistical area
boundaries and attributes to confirm they align with your expectations. If more than one map sheet is necessary to
depict all of the statistical areas within a tribal area, the PDF file is bundled to include multiple sheets. Review each
map sheet that contains a statistical area boundary.
Within 30 calendar days of receipt of the verification announcement, the Census Bureau requests either the PSAP
primary official contact or the PSAP primary technical contact email to provide
notification on whether or not corrections are needed to the statistical areas within their tribal area(s). A complete
review of a tribal area is not required to notify the Census Bureau of pending corrections. Evidence of any
correction allows for the email notifying that corrections are forthcoming. Conversely, if the review concludes no
corrections are required, notification allows the Census Bureau to proceed with the statistical areas as they exist.
For participants with more than one tribal area to review, the Census Bureau suggests a quick review of each tribal
area so that notification can be sent for all of your responsible areas at once within the requested timeframe.
 If the Census Bureau does not receive email notification of approval and has not received a verification phase
submission containing corrections for your tribal area(s) halfway through the review period (i.e.,
approximately 45 calendar days from receipt of the verification announcement), a follow-up notification will
be sent that includes a reminder to notify the Census Bureau of you approval or of your intention to make a
submission. This notification reinforces the importance of an on-time submission. Late submissions will not be
accepted.

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7.

If you determine corrections are necessary, contact the Census Bureau prior to making major or significant
corrections to receive guidance on how, or if, to proceed. However, if minor or a few corrections are necessary
follow the remaining steps in this Quick Program Guide to complete the statistical area corrections.
 Participants using GUPS (i.e., Federal Reservations that review tribal census tracts and tribal block groups),
refer to Sections IV and V of this Quick Program Guide.
 Participants using paper maps, refer to Section VI of this Quick Program Guide. Participants that have not
received paper maps should contact the Census Bureau immediately to request paper maps.
IMPORTANT: There is no need to proceed with the subsequent steps within this Quick Program Guide if no corrections to
statistical areas are identified.
IV. Download and Install GUPS
IMPORTANT: The GUPS version for the verification phase uses a newer version of software than the one used during the
delineation phase (i.e., on the QGIS 3 Madeira platform rather than QGIS 2 Las Palmas platform). Participants must
download and install the newer version to make corrections during the verification phase.
1.

Open a new internet browser window and navigate to the PSAP website . Scroll down the page to the 2020 Census PSAP Verification
Materials section and click Download the GUPS. Use Save As rather than Save to choose a specific folder location
on the local computer to download the file. The software is within a .zip file.
2. Navigate to the folder location of the saved .zip file and unzip the file to extract its contents. Please note,
administrative privileges to install GUPS on a local computer are likely necessary. Check with the local system
administrator regarding software installation protocol prior to contacting the Census Bureau for assistance with
installation. The contact information is located at the bottom of this Quick Program Guide.
3. From the folder where the .zip file extracted, double-click the SETUP-. bat file to start the installation.
Regardless of the version number of the file, there will be only one SETUP .bat file to choose.
4. The Welcome to QGIS screen appears that allows a participant to import their previous settings from QGIS 2 or
starting clean. Choose Start Clean and click Let’s get started to proceed. Note, if a new version of GUPS that uses
QGIS 3 is already installed, this window may not appear.
5. When the software installer opens, the Welcome to the QGIS Setup Wizard screen appears. Read the screen and
click Next to proceed.
6. The License Agreement screen appears. Review the license agreement and click I Agree to proceed with
installation.
7. The Choose Install Location screen appears. For performance and stability, the Census Bureau recommends
installation to the default directory even though the Browse button allows for changing of the installation
directory. Click Next to continue.
8. The Choose Components screen appears. Leave the defaults. Click Install to continue.
9. The software may take five to 10 minutes to install, so please be patient. When complete, the Completing the
QGIS Setup Wizard screen appears. Click Finish to complete the installation of QGIS.
10. Next, the GUPS Install Setup: Complete screen appears showing the status of GUPS installation. Do not close the
window while GUPS installs. Once it completes, click Close.
11. With the previous step, both QGIS and GUPS are installed and ready for use.
V. Open GUPS and Launch the Participant Statistical Areas Program Verification Program
With the new version of GUPS installed, use these instructions to begin a project to perform verification phase corrections.
1.
2.
3.

Select QGIS 3.4.4 Desktop within the QGIS 3.4 Program Menu on the Start Menu or within the QGIS 3.4 desktop
icon to launch GUPS. None of the other software (e.g., GRASS) that installed with QGIS are necessary to use.
A QGIS start-up/splash screen appears showing the progress of opening the software and is followed by the QGIS
Tips screen. Dismiss the Tips screen.
The Map Management window opens. Select Participant Statistical Area Program Verification from the Program
menu.

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4.
5.
6.

7.

Select Tribal Statistical Review for the User Type, the Reservation/Trust Land for the Entity Type, and choose the
tribal entity from the Entity Name menu.
Choose Census Web from the Select Data Folder, Directory or Location window to download the data directly into
GUPS.
Refer to Part 2 of the 2020 Census PSAP Tribal Respondent Guide (G-690) used during the delineation phase for
instructions on using GUPS to make corrections to the statistical area boundaries and consult the 2020 Census
PSAP Verification Tribal Respondent Guide (G-800) for specific verification phase instructions.
Skip to section VII for instructions on submitting the corrections.

VI. Annotate Corrections Using Paper Maps
Refer to Part 2 of the 2020 Census PSAP Tribal Paper Respondent Guide (G-700) from the delineation phase for instructions
on using paper maps to make corrections to the statistical area boundaries and on preparing the updated maps for
submission. Consult the 2020 Census PSAP Verification Tribal Respondent Guide (G-800) for specific verification phase
instructions. IMPORTANT: Participants that have not received paper maps should contact the Census Bureau immediately to
request paper maps.
VII. Submit Corrections
Please submit all corrections to the statistical areas within 90 calendar days of receiving the verification announcement. The
Census Bureau will review all corrections to ensure they meet the established criteria for the 2020 Census PSAP and will
contact participants if there are questions.
For those using GUPS, return corrections to the statistical areas, in the form of a .zip file exported from GUPS, using the
Census Bureau’s Secure Web Incoming Module (SWIM). Locate SWIM at . A link to the
SWIM website is also located on the PSAP website. Refer to Chapter 7 of the 2020 Census PSAP Verification Tribal
Respondent Guide (G-800) for a descriptive SWIM example.
Please note, because of your participation in PSAP, it is likely a SWIM account already exists for the person who sent the
delineation phase submission. If a new SWIM account is necessary, if you encounter problems accessing your existing SWIM
account, or if questions remain after consulting the respondent guide(s), please contact the Census Bureau by phone at
1-844-788-4921 or by email at for additional assistance.
For those using paper maps, refer to the 2020 Census PSAP Verification Tribal Respondent Guide (G-800) for instructions on
the return of updated maps. If questions remain after consulting the respondent guide(s), participants may contact the
Census Bureau by phone at 1-844-788-4921 or by email at for additional assistance.

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2020 Census Participant Statistical Areas
Program (PSAP) Verification Respondent Guide
Instructions for Participants with Tribal Statistical Geographies
November 2019

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TABLE OF CONTENTS
Introduction ........................................................................................................................... iv
A.

General Information ........................................................................................................iv

B.

2020 Census PSAP Schedule .............................................................................................v

C.

Training and Support .......................................................................................................vi

D.

Respondent Guide Organization......................................................................................vi

Part 1

Reviewing 2020 Statistical Areas ........................................................................... 8

Chapter 1 Identifying a Plan for Conducting Verification ....................................................... 8
Chapter 2 Using TIGERweb to Review 2020 Statistical Areas ................................................. 9
2.1

TIGERweb Applications .................................................................................................... 9

2.2

TIGERweb WMS and TIGERweb REST Services .............................................................. 20

Chapter 3 Using Online PDF Maps to Review 2020 Statistical Areas .................................... 25
Chapter 4 Email Notification of Corrections to or Approval of the 2020 Statistical Areas .... 29
Part 2

Correcting 2020 Statistical Areas ......................................................................... 31

Chapter 5 Using GUPS to Correct 2020 Statistical Areas ...................................................... 31
5.1

Updating GUPS............................................................................................................... 32

5.1.1 Downloading and Installing GUPS and QGIS ............................................................. 33
5.2

Opening GUPS and Starting a New Project ................................................................... 38

5.3

Introducing the GUPS Modification for the Verification Phase..................................... 42

5.4

Reinforcing GUPS Tools for the Verification Phase ....................................................... 42

5.4.1 Clarifying the Use of the Boundary Change Tools .................................................... 44
5.4.2 Clarifying the Use of the Undo Button ...................................................................... 45
5.4.3 Reinforcing the Use of Imagery ................................................................................. 45
5.5

Exporting a File for Submission...................................................................................... 45

Chapter 6 Using Paper Maps to Correct 2020 Statistical Areas ............................................ 46
Part 3

Submitting Corrections to the 2020 Statistical Areas ........................................... 49

Chapter 7 Submitting Corrections Using SWIM.................................................................... 49
Chapter 8 Submitting Corrections Using Paper Maps .......................................................... 54
Chapter 9 Next Steps for the 2020 Census PSAP .................................................................. 54
Appendix A

Using TIGERweb to Compare 2020 Statistical Areas to 2010 Statistical Areas A-1

Appendix B

Changing the Map Background within the TIGERweb Online Map Viewer ..... B-1

Appendix C

Adding Delineation Phase Submission to Verification Phase Project .............. C-1

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LIST OF TABLES
Table 1: 2020 Census PSAP Schedule ..............................................................................................v
Table 2: Using the TIGERweb Online Map Viewer ........................................................................ 10
Table 3: Using the TIGERweb WMS .............................................................................................. 21
Table 4: Using the TIGERweb REST Services ................................................................................. 23
Table 5: Locating and Using the Online PDF Maps to Review 2020 Statistical Areas .................. 26
Table 6: Requirements for Hardware, Operating Systems, and Internet Browsers ..................... 33
Table 7: Downloading and Installing the Newer Version of GUPS and QGIS ............................... 34
Table 8: Getting Started with GUPS using Census Web ............................................................... 39
Table 9: SWIM Example ................................................................................................................ 50
Table 10: Comparing 2020 and 2010 Statistical Areas in TIGERweb ........................................... A-1

LIST OF FIGURES
Figure 1: Sample Verification Status Email ................................................................................... 29
Figure 2: Individual Statistical Geography Chapters in the G-690 Table of Contents .................. 32
Figure 3: GUPS Information Window ............................................................................................ 42
Figure 4: Example of GUPS Table of Contents with Layers........................................................... 43
Figure 5: Boundary Change Sections in the G-690 Table of Contents .......................................... 44
Figure 6: Select Output Type Window - Export for Census .......................................................... 45
Figure 7: Export to Zip Window for Verification Phase ................................................................ 46
Figure 8: Individual Statistical Geography Chapters in the G-700 Table of Contents .................. 47
Figure 9: TIGERweb Topography Button ..................................................................................... B-1
Figure 10: Topography Button with All Base Map Choices ......................................................... B-1
Figure 11: GUPS – Manage Layers Toolbar - Add Vector Layer Button ....................................... C-1

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INTRODUCTION
A.

General Information

The U. S. Census Bureau completed processing of the 2020 Census Participant Statistical Areas
Program (PSAP) delineation phase submissions and is now ready to begin the 2020 Census PSAP
verification phase. The verification phase provides an opportunity to ensure the 2020 statistical
areas are acceptable and reflect the edits made by participants and the Census Bureau during
the delineation phase. It serves as a final review of the statistical areas used to tabulate the
results of the 2020 Census, the American Community Survey, the Economic Census, and
potentially other census surveys.
In some instances the Census Bureau revised participants’ delineation phase submissions in
order to meet established criteria and guidelines. For that reason, participants are encouraged
to conduct a thorough review of the current 2020 statistical areas to determine if they work for
the tabulation and distribution of statistical data and to provide corrections where needed.
Particiants can compare the current 2020 statistical area boundaries and attributes with the
information submitted during the delineation phase or conduct a complete review without
making a comparison to their delineation phase submission.
Note:

Participant revisions to the 2020 statistical areas during the verification phase, that were
not provided during the delineation phase, will be considered based on the scope of the
revision, their merit for analytical purposes, and their adherence to the established
criteria and guidelines.

The Census Bureau requests tribal participants use TIGERweb or Online Portable Document
Format (PDF) maps to review the 2020 statistical areas applicable to their tribal area(s) and to
use either the Geographic Update Partnership Software (GUPS) or paper maps to provide
corrections where needed. The statistical areas eligible for review are tribal census tracts, tribal
block groups, census designated places (CDPs), Alaska Native Regional Corporations (ANRCs),
Alaska Native village statistical areas (ANVSAs), Oklahoma tribal statistical areas (OTSAs), OTSA
tribal subdivisions, State American Indian Reservations (SAIRs), State Designated Tribal
Statistical Areas (SDTSAs), and Tribal Designated Statistical Areas (TDSAs). Please note, ANRCs
and SAIRs are not statistical areas, but were included for review as part of the 2020 Census
PSAP for administrative reasons, so they are included in verification to confirm the boundaries
and attributes remain intact following the delineation phase.
IMPORTANT:

U.S. Census Bureau

The verification phase provides the only opportunity for participants to review CDPs
modified or created during the delineation phase. Locate the file that lists the new CDPs
created since the delineation phase on the PSAP website. Please review the CDPs within
the tribal areas listed on the verification announcement to ensure each CDP captures
the extent of the community it seeks to define (i.e., review the boundary) and is
identified by the name locally used for that community (i.e., review the CDP name).

2020 Census PSAP Verification Tribal Respondent Guide

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For navigating the various products and software for PSAP verification, it is helpful to
understand the unique coding used by the Census Bureau for tribal areas. Tribal identification
codes contain a unique 12-character alphanumeric identification code assigned by the Census
Bureau that identifies the tribe and its associated geographic area. An example of a 12character tribal identification code, TR0013TA0185, where TR0013 is the six character tribal
code that represents the Utu Utu Gwaitu Paiute Tribe of the Benton Paiute Reservation and
TA0185 is the six character tribal geographic area code that represents Benton Paiute
Reservation, the geographic area associated with the Utu Utu Gwaitu Paiute Tribe. These are
the codes listed on the top of verification announcement. In addition to this 12-character tribal
identification code, another unique 11-digit code is used for the Online PDF maps and is listed
on the bottom of the verification announcement. Details on the unique 11-digit coding and the
file naming conventions used for the Online PDF maps are included within Chapter 3.
For participants using GUPS to make corrections, only the last four numbers in the tribal
identification code are displayed along with the entity name. In this example, GUPS would show
“0185 Benton Paiute Reservation”. The Secure Web Incoming Module (SWIM), used to transmit
the verification phase corrections, utilizes only the tribal name. For this example, SWIM would
show only the name, “Benton Paiute Reservation and Off-Reservation Trust Land” with no
reference to numeric coding.

B.

2020 Census PSAP Schedule

Below is the 2020 Census PSAP schedule that includes past, ongoing, and upcoming activities.
Table 1: 2020 Census PSAP Schedule
Dates

Event

March-May 2018

Census Bureau contacted 2010 Census PSAP participants to inquire
about 2020 Census PSAP participation. ✔

July 2018

Census Bureau distributed 2020 Census PSAP invitation materials to
2020 Census PSAP participants. ✔

January 2019

2020 Census PSAP delineation phase began. Participants had 120
calendar days to submit updates. ✔

January-February 2019

Census Bureau conducted 2020 Census PSAP delineation phase
webinar trainings. ✔

July 2019

Census Bureau conducted closeout of the 2020 Census PSAP
delineation phase. ✔

January 2020

2020 Census PSAP verification phase begins. Participants have 90
calendar days upon receipt of verification announcement to review the
2020 statistical areas and submit corrections. ✔

April 2020

2020 Census PSAP verification phase ends.

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Dates

C.

Event

September 2020

Census Bureau plans to conduct closeout of the 2020 Census PSAP
verification phase.

November 2020 –
February 2021

On a flow basis, beginning in November 2020 through February 2021,
the 2020 statistical areas become available for public use.

Training and Support

The Census Bureau provides assistance by answering questions; clarifying criteria, guidelines
and procedures; and by providing information concerning specific situations that participants
encounter when reviewing and verifying their 2020 statistical areas. A pre-recorded verification
phase training video/demonstration is available on the PSAP website for participants to utilize
as an on-demand training tool. The verification phase training video/demonstration provides an
overview of the verification phase and of the updated PSAP website. It provides information on
the following topics:


Reviewing 2020 statistical areas.



Making corrections to 2020 statistical areas.



Submitting corrections to 2020 statistical areas.

The verification phase training video/demonstration does not include the detailed steps for
using GUPS included in the delineation phase training materials; therefore, all of the
delineation phase training materials (e.g., presentations, scripts, and recordings of the Tribal
GUPS and Tribal Paper webinars) remain on the PSAP website for participants’ use. No training
webinars are planned for the verification phase.
IMPORTANT:

It is vital that participants use all of the existing training materials as they begin their
verification phase review and potential corrections of 2020 statistical areas.

For questions concerning technical matters with the GUPS application or specific programmatic
questions, support from the Census Bureau is available by phone at 1-844-788-4921 or by email
at .

D.

Respondent Guide Organization

This respondent guide consists of three parts: Reviewing 2020 Statistical Areas, Correcting 2020
Statistical Areas, and Submitting Corrections to the 2020 Statistical Areas. It includes
information to enhance the instructions and details provided in both the 2020 Census PSAP
Tribal Respondent Guide (G-690) and the 2020 Census PSAP Tribal Paper Respondent Guide (G700) created for use in the delineation phase, as well as new information applicable to the
verification phase.
For an overview of the 2020 statistical areas as well as the GUPS basics or paper map update
instructions, participants must refer to the appropriate delineation phase respondent guide,
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(e.g., 2020 Census PSAP Tribal Respondent Guide (G-690) or 2020 Census PSAP Tribal Paper
Respondent Guide (G-700)). Participants will also need to navigate the PSAP website,
, to review
other program materials such as the Quick Reference Guides for their specific statistical
geographies, the Quick Program Guide, and the training materials.
As with the delineation phase respondent guide, two styles are implemented within this guide.
The first provides specific instructions through “Step – Action and Result” tables. In these
tables, the Action is usually a command or action to perform and the Result(s) of the action are
written in italics. For an example, the action “Double-click the icon” has the result of “and the
program automatically launches.” The second is the use of bold, blue colored font to denote
the presence of a cross-referenced hyperlink to other sections, figures, tables, or appendices.
To skip directly to the linked item, use the Ctrl key and click the left mouse button while
hovering over the bold blue words. The “Chapter 3” mentioned above in Section A is the first
cross-referenced hyperlink in this document.
IMPORTANT:

U.S. Census Bureau

At the time of creation of this respondent guide, the PSAP website, TIGERweb, GUPS,
and the Online PDF maps of tribal statistical areas are in the final stages of
development. As a result, the screenshots within this document may vary slightly from
the final versions released to support the verification phase. While the examples may
differ slightly, the overall instruction, action, and result remain consistent with what is
anticipated with the final versions.

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PART 1

REVIEWING 2020 STATISTICAL AREAS

Reviewing the 2020 statistical areas to determine if any corrections are necessary is the first
step of the verification phase. With 90 calendar days to conduct the review, it is important to
begin your review as soon as possible after receipt of the verification announcement.
IMPORTANT:

A participant’s focus should remain on whether the existing 2020 statistical areas work
for the tabulation and distribution of statistical data.

The chapters within this part of the respondent guide discuss the following:


Identifying a plan for conducting verification.



Reviewing the 2020 statistical areas using TIGERweb or the Online PDF maps to verify if the
statistical area boundaries and attributes (e.g., tribal census tract codes, tribal block group
codes, CDP names, and tribal area names) align with expectations.



Detailing the email notification requested from participants to inform the Census Bureau of their
intentions to make corrections or to approve the existing 2020 statistical areas.

CHAPTER 1

IDENTIFYING A PLAN FOR CONDUCTING VERIFICATION

The Census Bureau strongly recommends reviewing the current 2020 statistical area boundaries
and attributes to determine if they serve your tribal area(s) for the tabulation and distribution
of statistical data. Because time is a factor during verification, the Census Bureau recommends
prioritizing the verification review to ensure a review of the updates you submitted and, if
applicable, to the review the new CDPs created since delineation and any updates submitted
for existing CDPs on your tribal area(s). A list of new CDPs is available on the PSAP website
beneath the 2020 Census PSAP Verification Materials section within the Additional Review
Materials sub-section.
Participants that made specific boundary and attribute updates during the delineation phase
may wish to conduct a review of those specific updates to determine if the Census Bureau
applied those changes. They can do so by using TIGERweb Web Mapping Service (WMS), and
TIGERweb Representational State Transfer (REST) Services described in the next chapter to pull
the Current vintage into their own web mapping service or GIS for comparison.
The most common reason delineation phase updates were not applied relates to the improper
application of guidelines or adherence to criteria for each specific statistical geography. If
updates were made during delineation that resulted in statistical areas not complying with
minimum criteria or not following the guidelines for the specific statistical area, and an
adequate justification for the update was not supplied, the Census Bureau did not make those
updates. Resupplying that change as a correction during the verification phase will likely result
in the same outcome (i.e., the Census Bureau not accepting the correction to the statistical
area).
If you determine a significant amount of updates were not applied and have questions about
why the updates were not applied, please contact the Census Bureau by email at
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 or by phone at 1-844-788-4921 so they can research the tribal area(s)
and provide you with background information from the delineation phase processing. Do not
proceed with resubmitting delineation phase updates that were not applied to the 2020
statistical areas, or with making significant corrections to the statistical areas until a
conversation with the Census Bureau occurs. They will provide instruction and guidance on
how, or if, to proceed with making corrections.

CHAPTER 2

USING TIGERWEB TO REVIEW 2020 STATISTICAL AREAS

TIGERweb was first introduced as a supplemental source for use during the delineation phase.
The 2020 Census PSAP Tribal Respondent Guide (G-690) includes Appendix E and the 2020
Census PSAP Tribal Paper Respondent Guide (G-700) includes Appendix F that provide tables
with guidance for using TIGERweb to compare the 2010 statistical areas with the proposed
2020 statistical areas. For the verification phase, use the information in this chapter of the
respondent guide, in association with the guidance from Appendix E or Appendix F in the
respective delineation phase respondent guide and the TIGERweb User Guide available within
TIGERweb, to conduct a review of your 2020 statistical areas. For participants that do not wish
to use TIGERweb, skip to Chapter 3 for instructions on using the Online PDF maps of your tribal
area(s) to conduct the review.
TIGERweb is a web-based system that allows users to visualize the Topologically Integrated
Geographic Encoding and References system and database (TIGER) data in three ways:
TIGERweb Applications, TIGERweb WMS, and TIGERweb REST Services.
The TIGERweb Applications choice allows users to select features and view their attributes, to
search for features by name or geocode, and to identify features by selecting them from a map.
It provides a simple way to view TIGER data without Geographic Information System (GIS)
software and without downloading data. It uses the TIGERweb REST Services to provide an
online, web-based method for reviewing the TIGER data.
TIGERweb WMS and TIGERweb REST Services allow users to integrate census data into their
own GIS or custom web-based application. Find more information about TIGERweb within the
online documentation on its website:
.

2.1

TIGERweb Applications

See Table 2 for an example of using TIGERweb online map viewer to review 2020 statistical
areas located on tribal areas. Refer to Appendix A for instructions on using the TIGERweb
online map viewer to compare the 2020 statistical areas to the 2010 statistical areas.

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Table 2: Using the TIGERweb Online Map Viewer
Step

Action and Result
Open a new internet browser window and navigate to the TIGERweb website
. The TIGERweb main
page appears.

Step 1

Note: A link to TIGERweb is also available on the PSAP website.
Click the TIGERweb Applications tab to the right of the Home tab, then TIGERweb along the left
side of the screen. Do not select TIGERweb Decennial or TIGERweb Economic Census.

Step 2

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Step

Action and Result
The TIGERweb online map viewer application launches.

Step 3

Access the TIGERweb User Guide from the Help/About button in the upper right corner of the
screen after launching TIGERweb or along the left side of the screen within the TIGERweb
Applications tab.

With the Layers tab active, ensure the Select Vintage section is set, and remains set, to Current.
Note: Even though the 2020 statistical areas are included in the Current vintage and made
available to the public through TIGERweb, they are not yet used in most data products since they
will not be finalized until after the verification phase concludes.

Step 4

IMPORTANT: Refer to Table 58 and Table 59 in Appendix E of the 2020 Census PSAP Tribal
Respondent Guide (G-690) or to Table 11 in Appendix F of the 2020 Census PSAP Tribal Paper
Respondent Guide (G-700) for background on the map display, navigation tools, Layers panel,
legend, and tools. The remaining steps in this table assume familiarity with TIGERweb and its
functionality that is defined in the aforementioned respondent guide.

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Check the Tribal Census Tracts and Block Groups layer, the Places and County Subdivisions
layer, and the American Indian, Alaska Native and Native Hawaiian Areas layer (e.g., AI/AN/NH)
in the Layers panel. These three layers contain the 2020 statistical areas for tribal census tracts,
tribal block groups, CDPs, ANVSAs, OTSAs, OTSA tribal subdivisions, TDSAs, SDTSAs, ANRCs, and
SAIRs. Check the Transportation (Roads and Railroads) layer to assist with the review. Ensure
the Labels layer and Hydrography layer (not visible in the image below) remain checked.

Step 5

Note: For Census Bureau purposes, the term “county” includes municipios in the
Commonwealth of Puerto Rico; parishes in Louisiana; boroughs, city and boroughs,
municipalities, and census areas in Alaska; independent cities in Maryland, Missouri, Nevada,
and Virginia; districts and islands in American Samoa, and districts in the U.S. Virgin Islands;
municipalities in the Commonwealth of the Northern Mariana Islands; and the areas constituting
the District of Columbia and Guam. Henceforth in this document, the terms “county” or
“counties” will refer to all of these entities.

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Step

Action and Result
Because geographic and locational context and relationships are important, TIGERweb
determines which geographic entities and features may be visible based on the map scale.
Participants can turn on/off layers in the Layers panel which limits the amount of data on the
map that appear at a given scale. Additionally, when multiple layers display, one layer may
obscure another. Change the transparency of the layer by moving the sliding bar beneath each
layer name to the left or right. The image in Step 5 shows the slide bar beneath the layers for the
Tribal Census Tracts and Block Groups, the Places and County Subdivisions, and the American
Indian, Alaska Native and Native Hawaiian Areas.
Manually zoom in or use the Query tool to zoom to the extent of the tribal area to review.

Step 6

Within the Query tool, ensure the Attribute tab is active. Choose American Indian, Alaska
Native, and Native Hawaiian Areas from the Select Map… drop-down menu.

Step 7

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Step

Action and Result
Select the appropriate layer (e.g., Federal American Indian Reservation, State American Indian
Reservations, Alaska Native Regional Corporations, Alaska Native Village Statistical Areas,
Oklahoma Tribal Statistical Areas, Tribal Subdivisions, State Designated Tribal Statistical Areas, or
Tribal Designated Statistical Areas) for the tribal area containing the statistical areas to review
within the Select Layer(s) section.

Step 8

Type all, or part of, the tribal area name in the Enter Name of Feature section AND/OR all, or
part of, the four digit tribal geographic area code, as described in Section A, in the Enter GEOID
of Feature section. Click SUBMIT.
Note: The complete 12-character tribal identification code, from which to find the four digit
tribal geographic area code, is located at the top of the verification announcement.

Step 9

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Step

Action and Result
The map display zooms to the extent of the tribal area and the name of the tribal area appears in
the Query Results section of the Task Results tab along the left side of the screen.

Step 10

Clicking the tribal area in the Query Results section launches a TIGERweb – Info window with
basic census and geographic information about the tribal area and selects the tribal area in the
map display.

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Step

Action and Result
If a tribal area name (or partial name) repeats among tribal areas, the query returns all tribal
areas with that name in the Query Results section of the Task Results tab. Click the correct tribal
area to review and TIGERweb zooms to the spatial extent of that tribal area.

Step 11

Continue to zoom in using either the Zoom In scrollbar or the rollerball on the mouse to visualize
the statistical area boundaries and features used to form the boundaries. At the tribal area
extent, statistical area boundary review is likely impossible, so continue to zoom in and pan
around the tribal area to manually view the statistical area boundaries to verify they align with
expectations.
The Scale Bar at the bottom left of the map display displays the scale, but it also indicates the
zoom level in the form of numbers. At zoom level 6, county boundaries become visible. At zoom
level 9, boundaries of tribal census tracts and CDPs/incorporated places appear. At zoom level 10
tribal block group boundaries and tribal census tract labels appear, and at zoom level 11 labels
for CDPs/incorporated places and tribal block groups appear.

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Step

Action and Result
To start a new query or refresh the screen, click Clear Map (button with an “X”) on the
navigation toolbar above the Zoom-In scrollbar. The TIGERweb – Info window disappears and
the located tribal entity is no longer highlighted.

Step 12

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Step

Action and Result
IMPORTANT: The Query tool can also be used to query within the map extent (the extent of the
tribal area zoomed from the previous steps) and zoom to individual tribal census tracts, tribal
block groups, and CDPs.
With TIGERweb zoomed to the extent of the queried tribal area, change the Select Map...
selection from American Indian, Alaska Native, and Native Hawaiian Areas to Tribal Census
Tracts and Block Groups, check the Within Map Extent checkbox, then select the appropriate
layer within the Select Layer(s) section, and key the appropriate GEOID or Name. The Name for
tribal census tracts begins with the letter “T” and is followed with a three digit number (T001,
T002, etc.). The tribal block groups are labeled letters A-K, except letter I.
To zoom into tribal census tract T001 in Tohono O’odham Nation, with the map zoomed to the
spatial extent of the Tohono O’odham Nation, change the Select Map… section from American
Indian, Alaska Native, and Native Hawaiian Areas to Tribal Census Tracts and Block Groups,
check the Within Map Extent checkbox, select Tribal Census Tracts in the Select Layer(s)
section, key T001 into the Name field and click SUBMIT. TIGERweb zooms to the spatial extent of
tribal census tract T001 within Tohono O’odham Nation.

Step 13

To zoom to tribal block group A of tribal census tract T001, with the map zoomed to the spatial
extent of T001, change the layer to Tribal Block Groups, key an A into the Name field, and click
SUBMIT. TIGERweb zooms to the spatial extent of tribal block group A of tribal census tract T001
within Tohono O’odham Nation.

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Step

Action and Result
To review the CDPs in Tohono O’odham Nation, change the Select Map… section to Places and
County Subdivisions, select Census Designated Places within the Select Layer(s) choices, key all
or part of the Name rather than GEOID and click SUBMIT. TIGERweb zooms to the spatial extent
of the CDP that falls within Tohono O’odham Nation.

Step 14

Note: This method of querying individual statistical areas may not be feasible for tribal areas
with a large number of statistical areas, but it may be helpful if a participant knows exactly what
statistical areas they modified during the delineation phase.
The use of satellite imagery or terrain in TIGERweb may also benefit a participant conducting a
review of the 2020 statistical areas. Refer to Appendix B for instructions on toggling between
landmass, satellite imagery, and terrain within the TIGERweb online map viewer.

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Step

Action and Result
Instead of an attribute query, some may want to perform a spatial query. Change the tab within
the Query tool from Attribute to Spatial. Select the map from which to query in the Select
Map… section and the appropriate layer within the Select Layer(s) section. Choose the spatial
method symbol from the six choices: Point, Polyline, Polygon, Rectangle, Free Line, or Free
Polygon. Once selected interactively touch/draw on the map display to define the spatial area to
query.

Step 15

If you are responsible for one tribal area in PSAP, review the 2020 statistical areas and attributes
in that tribal area to determine if corrections are necessary. Using guidance in Chapter 4 of this
respondent guide, send an email to the Census Bureau indicating whether you approve of the
2020 statistical areas or whether corrections are forthcoming. If no corrections are identified,
your participation concludes after sending an email of approval to the Census Bureau. If
corrections are identified, make note of which statistical areas and/or attributes need
modification. A list of statistical areas in need of correction is useful when making the
corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on correcting the
2020 statistical areas.
Step 16

2.2

If you are responsible for more than one tribal area in PSAP, perform a quick review of the 2020
statistical areas and attributes in each to identify whether or not corrections are necessary. As
soon as one correction is identified, move to reviewing the next tribal area until all tribal areas
under your responsibility for PSAP are reviewed. Using guidance in Chapter 4 of this respondent
guide, send one email that gives a status (approved as-is or corrections forthcoming) for all of
the tribal areas in your verification universe. If no corrections are identified, your participation
concludes after sending an email of approval to the Census Bureau. If corrections are needed,
continue to identify corrections in each tribal area, making note of which statistical areas and/or
attributes need modification. A list of statistical areas in need of correction is useful when
making the corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on
correcting the 2020 statistical areas.

TIGERweb WMS and TIGERweb REST Services

Rather than using the TIGERweb online map viewer, see Table 3 for steps on reviewing the
2020 tribal statistical areas by using the TIGERweb WMS. See Table 4 for steps on reviewing the
2020 tribal statistical areas by using the TIGERweb REST Services.
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Table 3: Using the TIGERweb WMS
Step

Action and Result
Open a new internet browser window and navigate to the TIGERweb website
. The TIGERweb main
page appears.

Step 1

Click the WMS tab which is two tabs to the right of the Home button. The TIGERweb Web
Mapping Service (WMS) page opens. Visit
to download and review the WMS specification.

Step 2

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Step

Action and Result
Incorporate the Current URL from the TIGERweb WMS URLs section on the WMS main page into
your local service/system OR select the Current Geography link along the left side of the WMS
main page beneath the Web Map Services TIGERweb section to uncover additional WMS
options.

Step 3

Step 4

Both methods provide the ability to load URLs for the Current vintage and Census 2010 vintage
data into your local service/system for comparison. Follow the information on screen to
complete loading the data. Compare the 2020 statistical areas to the 2010 statistical areas by
turning the Census 2010 layer on/off in your local service/system.
Note: While having the Census 2010 layer for comparison is nice, a participant’s focus should
remain on whether the existing 2020 statistical areas work for the tabulation and distribution of
statistical data for the tribal area.

Step 5

Zoom and pan, or perform queries within your service/system, after incorporating the Current
vintage census data to review the 2020 statistical area boundaries and attributes applicable to
your tribal area(s) and to verify they align with expectations.
If you are responsible for one tribal area in PSAP, review the 2020 statistical areas and attributes
in that tribal area to determine if corrections are necessary. Using guidance in Chapter 4 of this
respondent guide, send an email to the Census Bureau indicating whether you approve of the
2020 statistical areas or whether corrections are forthcoming. If no corrections are identified,
your participation concludes after sending an email of approval to the Census Bureau. If
corrections are identified, make note of which statistical areas and/or attributes need
modification. A list of statistical areas in need of correction is useful when making the
corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on correcting the
2020 statistical areas.

Step 6

U.S. Census Bureau

If you are responsible for more than one tribal area in PSAP, perform a quick review of the 2020
statistical areas and attributes in each to identify whether or not corrections are necessary. As
soon as one correction is identified, move to reviewing the next tribal area until all tribal areas
under your responsibility for PSAP are reviewed. Using guidance in Chapter 4 of this respondent
guide, send one email that gives a status (approved as-is or corrections forthcoming) for all of
the tribal areas in your verification universe. If no corrections are identified, your participation
concludes after sending an email of approval to the Census Bureau. If corrections are needed,
continue to identify corrections in each tribal area, making note of which statistical areas and/or
attributes need modification. A list of statistical areas in need of correction is useful when
making the corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on
correcting the 2020 statistical areas.

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Table 4: Using the TIGERweb REST Services
Step

Action and Result
Open a new internet browser window and navigate to the TIGERweb website:
. The TIGERweb main
page appears.

Step 1

Click the REST Services tab which is three tabs to the right of the Home button. The REST
Services page opens. Visit to download and review
the GeoServices REST specification.

Step 2

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Step

Action and Result
Incorporate the appropriate Map Service Links into your local server/system (e.g., TribalTracts,
AIANNHA, and Places_CouSub_ConCity_SubMCD, plus other valuable reference links like
Transportation, State_County, and Hydro) from the TIGERweb REST Services section on the
REST Services main page OR select the TIGERweb link along the left side of the REST Services
main page beneath the REST Services section to uncover additional REST Services options. Do
not select any other service than TIGERweb.

Step 3

Step 4

Both methods provide the ability to load URLs for the Current vintage and Census 2010 vintage
data into your local service/system for comparison. Follow the information on screen to
complete loading the data. Compare the 2020 statistical areas to the 2010 statistical areas by
turning the Census 2010 layer on/off in your local service/system.
REMINDER: While having the Census 2010 layer for comparison is nice, a participant’s focus
should remain on whether the existing 2020 statistical areas work for the tabulation and
distribution of statistical data for the tribal area.

Step 5

U.S. Census Bureau

Zoom and pan, or perform queries within your service/system, after incorporating the Current
vintage census data to review the 2020 statistical area boundaries and attributes applicable to
your tribal area(s) and to verify they align with expectations.

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Step

Action and Result
If you are responsible for one tribal area in PSAP, review the 2020 statistical areas and attributes
in that tribal area to determine if corrections are necessary. Using guidance in Chapter 4 of this
respondent guide, send an email to the Census Bureau indicating whether you approve of the
2020 statistical areas or whether corrections are forthcoming. If no corrections are identified,
your participation concludes after sending an email of approval to the Census Bureau. If
corrections are identified, make note of which statistical areas and/or attributes need
modification. A list of statistical areas in need of correction is useful when making the
corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on correcting the
2020 statistical areas.

Step 6

If you are responsible for more than one tribal area in PSAP, perform a quick review of the 2020
statistical areas and attributes in each to identify whether or not corrections are necessary. As
soon as one correction is identified, move to reviewing the next tribal area until all tribal areas
under your responsibility for PSAP are reviewed. Using guidance in Chapter 4 of this respondent
guide, send one email that gives a status (approved as-is or corrections forthcoming) for all of
the tribal areas in your verification universe. If no corrections are identified, your participation
concludes after sending an email of approval to the Census Bureau. If corrections are needed,
continue to identify corrections in each tribal area, making note of which statistical areas and/or
attributes need modification. A list of statistical areas in need of correction is useful when
making the corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on
correcting the 2020 statistical areas.

CHAPTER 3

USING ONLINE PDF MAPS TO REVIEW 2020 STATISTICAL
AREAS

The Census Bureau created tribal area-based, Online PDF maps that show the tribal statistical
areas, associated labels, and other common map features to assist with the review of the 2020
tribal statistical areas specific to each tribal area. If corrections are identified, then participants
either use GUPS or paper maps provided separately by the Census Bureau to make those
corrections. The Census Bureau does not recommend participants print the Online PDF map(s)
for use in making corrections.
While the 2020 tribal statistical areas can be reviewed using TIGERweb, the Online PDF maps
may be preferred by some participants over TIGERweb. For some tribal areas, this product may
allow participants to more easily scan and review the tribal statistical area boundaries. The
verification phase is the last opportunity to correct errors or inconsistencies with the 2020
tribal statistical areas before the final 2020 tabulation geography is created, so this verification
review is very important.
The file naming convention of the Online PDF maps, except for the Alaska Native Regional
Corporation (ANRC) maps, combines the map type abbreviation with a unique 11-digit numeric
code (e.g., <499RRRRAAAA>.pdf).

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Below are the seven map type abbreviations based on the type of tribal entity.


PSAPV20FR for Federal American Indian Reservation.



PSAPV20SR for State American Indian Reservation.



PSAPV20RC for Alaska Native Regional Corporation.



PSAPV20NV for Alaska Native Village Statistical Area.



PSAPV20OT for Oklahoma Tribal Statistical Area.



PSAPV20SD for State Designated Tribal Statistical Area.



PSAPV20TD for Tribal Designated Statistical Area.

The unique 11-digit numeric code appears on the bottom of the verification announcement to
indicate each tribal area under your responsibility to review and verify. It utilizes the numeric
coding of the 12 character tribal identification code, without use of the alpha characters “TR” or
“TA”, where RRRR is the tribal code and AAAA is the tribal geographic area code described in
Section A. The file naming convention for the ANRC maps uses the map type abbreviation
mentioned above, but uses instead of <499RRRRAAAA>, where fffff is the five-digit
Federal Information Processing Series (FIPS) code for the ANRC (e.g., PSAPV20RC.pdf).
Refer to Table 5 for the steps to locate and use the Online PDF maps to conduct a review of the
2020 statistical areas.
Table 5: Locating and Using the Online PDF Maps to Review 2020 Statistical Areas
Step

Action and Result
Open a new internet browser window and navigate to the PSAP website
. The PSAP
main page appears.

Step 1

Step 2

U.S. Census Bureau

Scroll down the page to locate the Online PDF Maps – Tribal sub-section within the 2020 Census
PSAP Verification Materials section.

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Step

Step 3

Action and Result
Click the link for the type of tribal entity for your tribal area(s) from the list of American Indian
Areas (i.e., Federal Reservations, State Reservations, Alaska Native Regional Corporations,
Alaska Native Village Statistical Areas, Oklahoma Tribal Statistical Areas, State Designated
Tribal Statistical Areas, or Tribal Designated Statistical Areas). The system routes participants to
file transfer protocol (FTP) directory for the type of tribal entity selected that shows sub-folders
for each tribal area within that tribal entity type.
Within the type of tribal entity directory, scroll through the list of sub-folders to locate the one
that corresponds with the tribal area for review. The tribal area sub-folder naming convention
incorporates the tribal geographic area code (i.e., the last four digits of unique 11-digit code or
the five-digit FIPS code for ANRCs) and the name of the tribal area.
 Federal Reservations sub-folder naming convention = r_, where
AAAA corresponds to the last four digits of the unique 11-digit code.
 State Reservations sub-folder naming convention = r_, where AAAA
corresponds to the last four digits of the unique 11-digit code.

Step 4

 Alaska Native Regional Corporations sub-folder naming convention = r_, where fffff corresponds to the five digit FIPS code of the ANRC.
 Alaska Native Village Statistical Areas sub-folder naming convention = s_, where AAAA corresponds to the last four digits of the unique 11-digit code.
 Oklahoma Tribal Statistical Areas sub-folder naming convention = s_, where AAAA corresponds to the last four digits of the unique 11-digit code.
 State Designated Tribal Statistical Areas sub-folder naming convention =
s_, where AAAA corresponds to the last four digits of the unique
11-digit code.
 Tribal Designated Statistical Areas sub-folder naming convention = s_, where AAAA corresponds to the last four digits of the unique 11-digit code.

Step 5

From the tribal area sub-folder, the individual PDF tribal area map(s) appear. Click the PDF file
name to open the file directly from the website or to save the file locally for later use. Follow the
on-screen prompts for downloading and saving the file. If using the file locally, ensure the use of
either Adobe Reader® or Adobe Acrobat® to preserve map symbology and readability.

Step 6

With the tribal area based PDF file open, zoom and pan around the tribal area to review the
statistical area boundaries and attributes to confirm they align with expectations. If more than
one map sheet is necessary to depict all of the statistical areas within a tribal area, the PDF file is
bundled to include multiple sheets. Review each map sheet that contains a statistical area
boundary.

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Step

Action and Result
If you are responsible for one tribal area in PSAP, review the 2020 statistical areas and attributes
in that tribal area to determine if corrections are necessary. Using guidance in Chapter 4 of this
respondent guide, send an email to the Census Bureau indicating whether you approve of the
2020 statistical areas or whether corrections are forthcoming. If no corrections are identified,
your participation concludes after sending an email of approval to the Census Bureau. If
corrections are identified, make note of which statistical areas and/or attributes need
modification. A list of statistical areas in need of correction is useful when making the
corrections in GUPS or on the paper maps. Proceed to Part 2 of this respondent guide for
guidance on correcting the 2020 statistical areas.

Step 7

U.S. Census Bureau

If you are responsible for more than one tribal area in PSAP, perform a quick review of the 2020
statistical areas and attributes in each to identify whether or not corrections are necessary. As
soon as one correction is identified, move to reviewing the next tribal area until all tribal areas
under your responsibility for PSAP are reviewed. Using guidance in Chapter 4 of this respondent
guide, send one email that gives a status (approved as-is or corrections forthcoming) for all of
the tribal areas in your verification universe. If no corrections are identified, your participation
concludes after sending an email of approval to the Census Bureau. If corrections are needed,
continue to identify corrections in each tribal area, making note of which statistical areas and/or
attributes need modification. A list of statistical areas in need of correction is useful when
making the corrections in GUPS or on the paper maps. Proceed to Part 2 of this respondent
guide for guidance on correcting the 2020 statistical areas.

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CHAPTER 4

EMAIL NOTIFICATION OF CORRECTIONS TO OR
APPROVAL OF THE 2020 STATISTICAL AREAS

Within 30 calendar days of receipt of the verification announcement, the Census Bureau
requests either the PSAP primary official contact or the PSAP primary technical contact email
to indicate whether or not corrections to the 2020 statistical areas for
their tribal area(s) are forthcoming. See Figure 1 for a sample email that contains information
that ensures proper accounting for your tribal areas and their verification status.
Note:

The information included in the sample email is fictitious.

Figure 1: Sample Verification Email Notification from Participant

A complete review of a tribal area is not required to notify the Census Bureau of forthcoming
corrections. Identification of any correction to a 2020 statistical area allows for the email
notifying the Census Bureau that corrections are forthcoming. Conversely, if the review
concludes that no corrections are required, an email notification of approval allows the Census
Bureau to proceed with the 2020 statistical areas as they exist in the verification phase
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materials. If corrections are identified after having notified the Census Bureau that no
corrections were necessary, please send an email alerting the Census Bureau to a change in the
verification status for the specific tribal area(s).
For participants with more than one tribal area to review, the Census Bureau suggests a quick
review of each so that notification can be sent for all tribal areas at once within the requested
30 calendar days of receipt of the verification announcement. If the Census Bureau does not
receive email notification of approval or has not received a submission for your tribal area(s)
halfway through the review period (i.e., approximately 45 calendar days from receipt of the
verification announcement), a follow-up notification regarding the status of your tribal area(s)
will be distributed by email or letter. This follow-up notification includes a reminder to email
the Census Bureau of your approval or of your intention to make a submission and reinforces
the importance of an on-time verification submission. Participants are encouraged to use the
time remaining in the review period to complete their verification phase corrections. Late
submissions will not be accepted.
Prior to making major or significant corrections, contact the Census Bureau by email at
or by phone at 1-844-788-4921 to receive guidance on how, or if, to
proceed. There may be situations where boundary changes suggested during the delineation
phase were not applied and communication with the participant about those changes was not
initiated. Contacting the Census Bureau to learn more about why the verification materials do
not reflect delineation phase updates will inform a participant whether resubmitting the same
changes are acceptable for the verification phase.
However, if minor or a few corrections are necessary proceed with the instructions in either
the 2020 Census PSAP Tribal Respondent Guide (G-690) or 2020 Census PSAP Tribal Paper
Respondent Guide (G-700) and in this verification phase respondent guide to complete the
statistical area corrections.
IMPORTANT:

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Participants that agree with the boundaries of the 2020 statistical areas for their tribal
area(s) only need to submit an email stating their approval. No submission or additional
correspondence is required.

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PART 2

CORRECTING 2020 STATISTICAL AREAS

Participants that determine corrections to the 2020 statistical areas are necessary must use
either GUPS or paper maps to perform the corrections. Because the process for using GUPS or
paper maps to update statistical areas during the verification phase is identical to the process
used during the delineation phase, the detailed content within the delineation guides is not
repeated within this verification phase material. Participants must refer to both the instructions
provided in this part of the verification respondent guide and the appropriate delineation phase
respondent guide to make corrections.
IMPORTANT:

If no corrections were identified during the review of the 2020 statistical areas
described in Part 1, skip to Chapter 9. Participation concludes after sending an email to
the Census Bureau indicating approval of the 2020 statistical areas as they exist in
TIGERweb or on the Online PDF maps.

For participants using GUPS, i.e., those that can edit tribal census tracts, tribal block groups, and
CDPs, continue with Chapter 5. For participants using paper maps to make corrections, skip to
Chapter 6.

CHAPTER 5

USING GUPS TO CORRECT 2020 STATISTICAL AREAS

This chapter provides instructions for updating GUPS in support of the verification phase and
provides a refresher on getting started with GUPS by opening a new project for PSAP
Verification. It introduces a new pop-up window created to support the verification phase and
reinforces the importance of using the proper, existing GUPS tools for making corrections to the
2020 statistical areas. It concludes with a section that includes the instructions for creating the
verification phase .zip file for submission.
IMPORTANT:

Numerous details exist in the delineation phase respondent guide, 2020 Census PSAP
Tribal Respondent Guide (G-690), that do not repeat in this verification phase material.
For this reason, the delineation phase respondent guide should be used as the primary
source of information to implement the corrections identified during the TIGERweb
and/or Online PDF maps review.

Prior to making any correction to the 2020 statistical area boundaries in GUPS, ensure the
corrections result in statistical areas that follow the respective statistical area thresholds,
requirements, criteria, and guidelines outlined in the respective chapters in Part 1 of the 2020
Census PSAP Tribal Respondent Guide (G-690). See Figure 2 for a visual of a portion of the Table
of Contents from the G-690. Participants may also refer to Appendix B in the G-690 or to the
Federal Register notice section on the PSAP website to locate the established criteria and
guidelines.

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Figure 2: Individual Statistical Geography Chapters in the G-690 Table of Contents

5.1

Updating GUPS

Participants with corrections to the 2020 statistical areas must update their version of GUPS
from the delineation phase. In addition to new tools and functionality within GUPS, the newer
version is programmed to run on the QGIS 3 Madeira platform rather than on QGIS 2 Las
Palmas platform. The Census Bureau bundled the update for GUPS and QGIS into a single .zip
file available for download from the PSAP website. No software installation DVDs are
distributed for the verification phase.
IMPORTANT:

Participants must download and install the newer version of software to make
corrections to the 2020 statistical areas during the verification phase.

The local computer to install the newer version of GUPS and to use for the submission of
corrections (by using the Secure Web Incoming Module (SWIM) needs the minimum
requirements listed below in Table 6. The Census Bureau recommends installing the newer
version of QGIS and GUPS on the same local computer(s) used for the delineation phase.

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Table 6: Requirements for Hardware, Operating Systems, and Internet Browsers
Hardware
Disk Space Needed to Run
GUPS:
4 GB
Disk Space Needed to Store
Shapefiles:
Shapefile sizes vary. To view the
size of your shapefiles, select a
file/ folder, right-click, and
choose Properties in the dropdown menu. The Files
Properties box opens and
displays the file/folder sizes.
Select multiple files/folders in
the list to view their properties
via the same method.
RAM:


4 GB minimum; 8 GB or
more recommended for
optimal performance.

Operating System
Windows®:
To run GUPS, Windows users need one of the
following Windows operating systems:




Windows 7®
Windows 8®
Windows 10®

Apple®:

Supported Browsers
Minimum Browser Versions to Use the
Secure Web Incoming Module (SWIM):
SWIM supports the two most recent
versions of each of the major internet
browsers:
 Internet Explorer®
 Google Chrome®
 Mozilla Firefox®
 Apple Safari®

Mac OS X® users must secure a license for
Microsoft Windows and use a Windows
bridge. The suggested bridge software is
Boot Camp®, which comes pre-installed on
all Mac computers. Find instructions for
using Boot Camp at:
. Some Apple iOS® users may
want to use Red Hat software. Locate
instructions at:
.
IMPORTANT: Since Boot Camp requires a
restart of the computer to set up the bridge,
be sure to print the instructions provided at
the URL above before beginning installation.

Note:

5.1.1

Depending on the version of Windows or Operating System on the local computer used
for PSAP, the GUPS dialog boxes shown throughout this document may have a different
appearance than the screenshots contained in the respondent guide, although the
content is essentially the same.

Downloading and Installing GUPS and QGIS

Table 7 provides the steps to download and install the newer version of GUPS and QGIS
necessary to support verification phase corrections.
Note:

U.S. Census Bureau

Administrator privileges are likely necessary to install GUPS. Check with the local system
administrator for instructions on installing an external software to the local computer
prior to contacting the Census Bureau for assistance.

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Table 7: Downloading and Installing the Newer Version of GUPS and QGIS
Step

Action and Result
Open a new internet browser window and navigate to the PSAP website
. The PSAP
main page appears.

Step 1

Step 2

Scroll down the page to the 2020 Census PSAP Verification Materials section to locate the
Download the GUPS link. Click the link to download the file. Use Save As rather than Save to
choose a specific folder on the local computer to download the file.

Step 3

Navigate to the folder on the local computer where the downloaded .zip file resides. Doubleclick the .zip file to unzip and extract its contents.

Step 4

From the folder where the .zip file was extracted, double-click the SETUP-.bat file to
start installation. Regardless of the version of the file, there will be only one SETUP .bat file to
choose.

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Step

Action and Result
The Welcome to QGIS screen appears that allows a participant to import their previous settings
from QGIS 2 or starting clean. Choose Start Clean and click Let’s get started to proceed. Note, if
a new version of GUPS that uses QGIS 3 is already installed from your work with other census
programs, this window may not appear.

Step 5

When the installer opens, the Welcome to the QGIS 3.4.4 ‘Madeira’ Setup Wizard screen
appears.

Step 6

Note: The version needed for the verification phase is QGIS 3.4.4 Madeira. If the exact same
version of QGIS exists on the computer, an instruction to uninstall and reinstall may appear.
Participants may retain other versions of QGIS that may be in use for other programs (e.g., QGIS
2 Las Palmas version used for the delineation phase), but we suggest to reinstall if the same
version exists on the computer to ensure installation of the latest update.
Before proceeding with installation, close all other programs or applications. Once other
programs and applications are closed, click the Next button.

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Step

Action and Result
The License Agreement screen appears. Read the License Agreement and click the I Agree
button to continue.

Step 7

The Choose Install Location screen opens. For performance and stability, the Census Bureau
recommends installation to the default directory even though the Browse button allows for
changing of the installation directory. Click Next to continue with installation.

Step 8

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Step

Action and Result
The Choose Components screen opens.

Step 9

‘QGIS’ in the Select components to install field is checked and grayed out since it is the
default. Simply click Install to continue.
To review a previous screen or reread the license agreement, click the Back button (each screen
contains this button). This returns the screen to the previous page.
The software takes between five and 10 minutes to install. When it finishes installation, the
Completing the QGIS 3.4.4 ‘Madeira’ Setup Wizard screen opens. Click the Finish button to
finish the QGIS update and launch the GUPS update.

Step 10

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Step

Action and Result
The GUPS Install Setup: Completed screen opens showing the status of the installation of GUPS.
To complete the installation, click the Close button.

Step 11

Use QGIS Desktop 3.4.4 for the verification phase work. Disregard the other software installed
as part of the process. Once the application installs, QGIS 3.4 is added to the Start Menu, All
Programs list and a QGIS 3.4 icon is created on the desktop.

Step 12

After successfully updating GUPS and QGIS for use in the verification phase, participants are
ready to begin their work to correct the 2020 statistical areas. Proceed to the next chapter for
more instructions on opening GUPS and staring a new project.

5.2

Opening GUPS and Starting a New Project

Because no DVDs are distributed for the verification phase, participants with corrections must
use the Census Web option in GUPS to download the shapefiles directly into GUPS. To open the
GUPS using Census Web follow the steps in Table 8 below.
IMPORTANT:

GUPS needs at least 4 gigabytes of free space on the hard drive to begin.

To practice using GUPS without committing the corrections, simply exit GUPS without saving.
Before GUPS closes, it will give the option to save or discard the changes. Participants can
reopen saved projects and continue working later.

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Table 8: Getting Started with GUPS using Census Web
Step

Action and Result
Select QGIS Desktop 3.4.4 from the All Programs list in the Start Menu, shown in Step 12 of the
previous table or from the QGIS 3.4 desktop icon. The QGIS splash screen appears.

Step 1

Note: Depending on the age of the computer and amount of RAM, the application may require a
few moments to load and open.
The Map Management window appears.

Step 2

Use the drop-down menu next to the Program field to select Participant Statistical Areas
Program Verification.

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Step

Action and Result
Select Tribal Statistical Review for the User Type, select Reservation/Trust Land for the Entity
Type, and then the tribal area in which to make the corrections for the Entity Name. Notice the
use of tribal area coding and tribal name in the Entity Name field as described in Section A.

Step 3

Do not select adjacent counties that appear in the window beneath the Entity Name unless they
assist with providing a reference for corrections in the tribal area.
Choose Census Web from the Select Data Folder, Directory or Location window to download
the data directly into GUPS.

Step 4

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Step

Action and Result
When the data loads, the Table of Contents populates and symbolizes according to preset styles.
The Map View fills with the tribal area. The Menu and Toolbars appear along the top and the
Status Bar appears at the bottom of the screen. The QGIS 3.4.4 Madeira and PSAPV are
displayed at the very top of the GUPS screen, confirming use of the newer QGIS and selection of
the verification phase (e.g., PSAPV).

Step 5

Step 6

To save a project, use the Save button on the Standard toolbar or locate the Save option
beneath the Project tab along the Menu bar.
To open a previously saved project, in the Map Management window, click the drop-down
arrow next to the Open Recent button. The drop-down menu opens with a list of current
projects.

Step 7

Multiple project files, for multiple programs, may appear, as shown above. In the example
above, three separate projects exist on the same computer (PSAPV20, TSR20, and TSRV20). To
identify which of the entries in the list represents a particular project, look at folder name that
follows “/gupsdata” to identify the project (e.g., PSAPV20, TSR20, and TSRV20). Notice the Tribal
GUPS projects for PSAP use the unique 11-digit coding mentioned in Chapter 3.
Step 8

To add the delineation phase submission layers into the verification phase project for reference
in making corrections, refer to Appendix C.

With the project loaded, participants are ready to begin making corrections. Continue to refer
to the delineation phase respondent guide for detailed instructions. To begin making updates,
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use the Modify Area Feature tool within GUPS to select the geography to correct. Use the
information gained from the TIGERweb review of statistical areas, or from the review of the
Online PDF maps, to select the corresponding geography from the list that appears in the
Modify Area Feature window. Because some corrections cascade to underlying geographies,
perform the updates in the same order as conducted during the delineation phase: tribal
census tract, tribal block group, and then CDP.
Refer to Chapter 8 of the 2020 Census PSAP Tribal Respondent Guide (G-690) for instructions on
updating each of the three statistical area types. Refer specifically to Table 61 to confirm a
linear feature is an acceptable statistical area boundary prior to making the boundary
correction.

5.3

Introducing the GUPS Modification for the Verification Phase

New for the verification phase is a pop-up window, shown in Figure 3, which appears after a
tribal area downloads when a participant selects any of the tools to start reviewing the
statistical areas. It contains a message about the purpose of the verification phase, verification
of statistical areas, not another delineation opportunity.

Figure 3: GUPS Information Window

All previously programmed tools and functionality remain in this version of GUPS for the
verification phase.

5.4

Reinforcing GUPS Tools for the Verification Phase

Use the List of Tables and List of Figures within the Table of Contents of the 2020 Census PSAP
Tribal Respondent Guide (G-690) to help locate the specific table or figure that may assist with
completing the corrective action during the verification phase. Most instructions exist in
Chapter 7. At a minimum, review of the following tables within the G-690:


Table 13 for a refresher of the Menu bar tabs and functions.



Table 15 for a refresher of the Standard toolbar buttons, names and their function (or
description).



Table 18 for a refresher of the PSAP toolbar buttons, names and their function (or description).

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The Table of Contents within GUPS for the verification phase includes the same type of layers as
provided during delineation. The edges layer is mapped to display the types of features (roads,
linear water, and all others) as well as whether or not those features are acceptable,
questionable, or not acceptable for use as a statistical area boundary Other layers included for
reference are the point landmark, minor civil division, census county division, incorporated
place, area landmarks, various American Indian layers, water features, the county boundary,
block groups and census tracts. Layers that are not applicable to the tribal area are grayed-out.
The layers where corrections may occur include the Tribal_Census_Tract, Tribal_Block_Group,
and Census_Designated_Place. Those layers have preset symbology to assist with visualizing
whether they are valid geographies that meet established thresholds. See Figure 4 for a visual
of the Table of Contents for a GUPS verification phase project.

Figure 4: Example of GUPS Table of Contents with Layers

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5.4.1

Clarifying the Use of the Boundary Change Tools

During processing of delineation phase submissions, the Census Bureau uncovered situations
where participants misused GUPS tools and functionality. A common misuse involved tools
used to make boundary modifications. Instead of using the instructions for performing
boundary changes, participants used the merge and split instructions to modify boundaries.
Though the boundary modification was seemingly successful, the means by which a participant
generated the modification introduced numerous issues with coding, recoding, and suffixing
that complicated the processing of participant submissions.
Since the focus of the verification phase is on correcting the 2020 statistical areas that do not
align with participant expectations or that may have been misprocessed, participants should
use the boundary change tools to correct the 2020 statistical areas, and not the merge or split
tools within GUPS. While the merge and split tools remain available for use, please consider the
type of correction that needs to occur and choose the tool that best fits that task. If you have
any questions regarding which GUPS tool should be used to make your corrections, contact the
Census Bureau by phone at 1-844-788-4921. A member of our technical support group can
assist you with your GUPS functionality questions
Refer to Figure 5 for a visual that highlights the boundary change sections for tribal census
tracts, tribal block groups, and CDPs in the Table of Contents of the 2020 Census PSAP Tribal
Respondent Guide (G-690).

Figure 5: Boundary Change Sections in the G-690 Table of Contents

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5.4.2

Clarifying the Use of the Undo Button

Another action to clarify from the delineation phase involves the use of the Undo button. The
description of the Undo button is included within Table 18 of the 2020 Census PSAP Tribal
Respondent Guide (G-690). For an example, a participant split a tribal census tract that was over
threshold, but one of the resulting tribal census tracts ended up below threshold. Instead of
using the Undo button to cancel the split action and restore the tribal census tract’s original
boundary or instead of supplying a justification that supports the split, the participant
proceeded to merge the newly suffixed tract which introduced an unintended change in the
tribal census tract coding.

5.4.3

Reinforcing the Use of Imagery

Should corrections be necessary, use of imagery is strongly recommended. To make spatially
accurate boundary corrections, enable imagery from the PSAP toolbar by selecting the Add
Imagery button. Adding imagery allows participants to visualize the features and alignment of
boundaries prior to making corrections. The description of the Add Imagery button is included
within Table 18 of the 2020 Census PSAP Tribal Respondent Guide (G-690).
Note:

5.5

Uncheck (i.e., turn-off) the imagery layer from the Table of Contents to prevent GUPS
issues that may occur when re-opening the PSAP verification phase project.

Exporting a File for Submission

Upon completion of all statistical area corrections, execute the three validation tools to help
review and validate the corrections made to the 2020 statistical areas. Run the PSAP Criteria
Review tool first, then the Review Change Polygons tool, and finish with the Geography
Review tool. Refer to Chapter 9 of the 2020 Census PSAP Tribal Respondent Guide (G-690) for
instructions on the use of the three validation tools. The Export to Zip tool executes these tools
if a participant overlooks them.
Upon clicking the Export to Zip button, two options for exporting within GUPS remain in the
verification phase: Export for Census or Share with Another Participant. To export the
corrected statistical areas for submission to the Census Bureau, select the first choice, Export
for Census as shown below in Figure 6.

Figure 6: Select Output Type Window - Export for Census

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IMPORTANT:

Do not submit a partial submission (i.e., just tribal census tracts if corrections are still
underway for tribal block groups or CDPs). Ensure all of the work is complete prior to
executing this tool.

Table 55 in the 2020 Census PSAP Tribal Respondent Guide (G-690) describes the export
process. The only difference for the verification phase is the directory path and file name. See
Figure 7 for an example of the Export to Zip window that includes the verification phase
directory and file information. Be sure to make note of the directory path and file name.

Figure 7: Export to Zip Window for Verification Phase

With the file exported, proceed to Part 3 of this verification guide for instructions on submitting
the .zip file to the Census Bureau. Skip the next chapter.

CHAPTER 6

USING PAPER MAPS TO CORRECT 2020 STATISTICAL
AREAS

Following the review of the 2020 statistical area boundaries, in TIGERweb or with the Online
PDF maps, and the identification of corrections, follow the instructions in Part 2 of the 2020
Census PSAP Tribal Paper Respondent Guide (G-700) for making corrections during the
verification phase. The same delineation phase instructions apply to the verification phase.
Prior to making any correction to the 2020 statistical area boundaries on the paper maps,
ensure the corrections result in statistical areas that follow the respective statistical area
thresholds, requirements, criteria, and guidelines outlined in the respective chapters in Part 1
of the G-700. See Figure 8 for a visual of a portion of the Table of Contents from the G-700.
Participants may also refer to Appendix B in the G-700 or to the Federal Register notice section
on the PSAP website to locate the established criteria and guidelines.

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Figure 8: Individual Statistical Geography Chapters in the G-700 Table of Contents

Read the chapter that applies for your type of tribal area.


Tribal Census Tract details are in Chapter 2.



Tribal Block Group details are in Chapter 3.



CDP details are in Chapter 4.



ANVSA details are in Chapter 5.



ANRC information is in Chapter 6.



OTSA and OTSA tribal subdivisions details are in Chapter 7.



TDSA details are in Chapter 8.



SDTSA details are in Chapter 9.



SAIR information is in Chapter 10.

Most of the chapters align to specific tribal area types, except for Federal American Indian
Reservations. They should review Chapter 2, Chapter 3, and Chapter 4, as applicable.
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Refer to Table 5 in the 2020 Census PSAP Tribal Paper Respondent Guide (G-700) for instruction
on the proper pencil color to use when making corrections to the verification maps. As with the
delineation phase, colored pencils are included in the verification phase material shipment
along with the paper maps.
Refer to Chapter 12 in the 2020 Census PSAP Tribal Paper Respondent Guide (G-700) for
instruction on updating the paper maps with corrections.
Proceed to Part 3 of this verification guide for instructions on shipping the updated paper maps
to the Census Bureau.

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PART 3

SUBMITTING CORRECTIONS TO THE 2020
STATISTICAL AREAS

This part of the respondent guide provides information for both GUPS and paper map
participants. Participants that used GUPS to make corrections are provided a refresher on the
use of the Secure Web Incoming Module (SWIM) to submit the corrected 2020 statistical areas.
The 2020 Census PSAP Tribal Respondent Guide (G-690) devoted an entire chapter, Chapter 10,
to the SWIM topic providing background, requirements, and an example of using SWIM to
submit the PSAP delineation phase materials. The instructions in Table 9 update the Chapter 10
example to show the pertinent information for the verification phase.
Participants that used the verification phase paper maps to perform their corrections are
provided with some high level information, but primarily refer to the 2020 Census PSAP Tribal
Paper Respondent Guide (G-700). The G-700 devoted an entire chapter, Chapter 12, to showing
examples for updating the various tribal statistical areas and another chapter, Chapter 13, to
providing paper map submission instructions.
Please submit all corrections, whether made using GUPS or paper maps, to the 2020 statistical
areas within 90 calendar days of receiving the verification announcement. The Census Bureau
cannot provide extensions to this 90 calendar day review period. The Census Bureau will review
all submissions to ensure they meet the established 2020 Census PSAP criteria and will contact
participants if there are questions regarding the submission(s).

CHAPTER 7

SUBMITTING CORRECTIONS USING SWIM

See Table 9 for an example of using SWIM to submit corrections to 2020 statistical areas.

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Table 9: SWIM Example
Step

Action and Result
Open a new internet browser window and enter the SWIM URL
. The Secure Web Incoming Module Please Login screen
opens.

Step 1

Refer to Section 10.2 the 2020 Census PSAP Tribal Respondent Guide (G-690) for details on how
to determine if an account exists and the SWIM requirements for accounts, passwords, and files
submitted using SWIM.
Note: We suspect that most participants will have an existing SWIM account since delineation
phase materials were submitted through SWIM. For participants without an existing SWIM
account, please contact the Census Bureau to receive a 12-digit registration token for account
registration.

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Step

Action and Result
Enter the email address and password, then click the Login button. The Welcome screen opens
and previously posted files appear along with the date and status of the upload.

Step 2

Click the Start New Upload button.
The “What Census program are you reporting data for?” screen appears.

Step 3

Choose Participant Statistical Areas Program (PSAP) and then click the Next button.
Note: Unlike GUPS, there is not a specific program choice for PSAP Verification. The verification
phase is part of PSAP, so there was no need to add another program choice in SWIM for the
submission of verification phase corrections.
The “What type of geography are you reporting statistical areas for?” screen appears with two
choices: County and Tribal Area.

Step 4

Choose Tribal Area and then click the Next button.

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Step

Action and Result
The Select a Tribal Area screen appears.

Step 5

Choose the appropriate tribal area name from the drop-down menu, as described previously in
Section A, and then click the Next button.
The Select a .ZIP file to upload screen appears. Click the +Add File button.

Step 6

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Step

Action and Result
The Choose File to Upload window opens for use in navigating to the location of the
exported .zip file generated by using the Export to Zip button in GUPS. Click the Open button.

Step 7

Notice the Status is set to Success and the file name appears beneath the File(s) section. Add
optional comments that may assist the Census Bureau with processing of the submission and
click Next.

The Thank You screen appears. It thanks the participant and indicates a forthcoming email once
the transfer completes.

Step 8

In the last sentence on the Thank You screen, choose upload form to return to the Welcome
screen and begin the upload process for another tribal area or choose Log Out.

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CHAPTER 8

SUBMITTING CORRECTIONS USING PAPER MAPS

To submit the paper maps with corrections, separate the map sheets with corrections from
those without corrections. Retain a copy of the portion of the map(s) that show the corrections
for use if the Census Bureau contacts you with questions. Retain copies of all supporting
documentation that you may have assembled since the delineation phase that reinforces the
corrected 2020 statistical areas.
IMPORTANT:

Do not ship materials on a flow basis. Complete all work prior to making a submission.

Place the updated maps and any supporting documentation that may assist the Census Bureau
with understanding the corrections in the original verification phase material packaging (i.e.,
map tubes, boxes, or envelope). Use the FedEx postage paid label/envelope to return the
corrected map(s) to the Census Bureau. If the postage-paid label is misplaced, call the Census
Bureau at 1-844-788-4921 for instructions. To ship the corrected materials on your own, the
Census Bureau recommends using a service that provides tracking information, such as the
United States Postal Service traceable delivery, FedEx, United Parcel Service, or similar service.
Ship the corrected map sheets to the following address:
ATTN: GEOGRAPHY PSAP BLDG 63E
National Processing Center
1201 E 10th St
Jeffersonville IN 47132

CHAPTER 9

NEXT STEPS FOR THE 2020 CENSUS PSAP

Congratulations on the completion of your review of the 2020 statistical areas and of your
corrections, if applicable. Your participation in the 2020 Census PSAP concluded with either the
email stating no changes were forthcoming or with the submission of verification phase
corrections. Thank you for participating in this program to prepare useful statistical areas for
the 2020 Census. Knowledge provided by PSAP participants is invaluable.
The Census Bureau will process the corrections and finalize the 2020 statistical areas for use in
tabulating census data for the next decade. The final data will be made available to the public
on the Census Bureau website beginning in November 2020 through February 2021.

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APPENDICES

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APPENDIX A

USING TIGERWEB TO COMPARE 2020 STATISTICAL
AREAS TO 2010 STATISTICAL AREAS

The TIGERweb Compare tool allows participants to visualize the changes between the 2020
statistical areas and the 2010 statistical areas. Table 10 presents the steps for comparing the
two vintages.
Table 10: Comparing 2020 and 2010 Statistical Areas in TIGERweb
Step

Step 1

Action and Result
To compare the Current vintage to the 2010 Census vintage, launch the TIGERweb online
application from the TIGERweb website:
.
Using the instructions presented in Section 2.1, zoom manually or through a query to the area of
interest for comparison.
Click the Compare button along the upper right of the TIGERweb window.

The Compare window appears.

While this comparison does not compare what was submitted during the delineation phase, it
does allow for visual comparison between the current 2020 statistical areas and the 2010
statistical areas which may help identify statistical areas splits or merges that occurred as a
result of delineation phase processing.

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Step

Action and Result
Select the Vintage to compare (e.g., Census 2010), Select the Map to compare with the current
(e.g., Tribal Census Tracts and Block Groups), and Select the Layer (e.g., Tribal Census Tracts)
and click COMPARE.

Step 2

A light gray, vertical slide bar appears on-screen with the Current vintage displayed on the left
and the Census 2010 vintage on the right. Click the bar to move it left or right and reveal the
change of boundaries between the vintages. Large changes are easily viewed on-screen, but
smaller modifications to the boundaries are more difficult to see.

Step 3

Note: This example does not depict any boundary differences, but does show the light-gray,
vertical slide bar mid-screen and the red label for “Current” and “Census 2010” at the bottom of
the screen.

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Step

Step 4

U.S. Census Bureau

Action and Result
Changing the Select Map choice to Places and County Subdivisions and then selecting the
Census Designated Places in the Select Layer(s) drop-down allows for a vintage comparison of
the CDPs. If applicable in your tribal area, repeat the same steps listed above to compare the
vintages of CDPs.

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APPENDIX B

CHANGING THE MAP BACKGROUND WITHIN THE
TIGERWEB ONLINE MAP VIEWER

The TIGERweb online map viewer has three choices for the map background it displays:
Landmass, Satellite, and Terrain. These three choices are housed within the Topography button
which is in the upper right corner of the map display, beneath the five tool buttons. The
Topography button is also known as the Base Map Selector in the TIGERweb User Guide. See
Figure 9 for a visual of the button and its location within the TIGERweb online map viewer.

Figure 9: TIGERweb Topography Button

The default selection is Landmass. To switch displays, continue to click the Topography button,
observing the instruction while hovering the mouse over the button. The hover message
informs the user of the current display and what the display will be upon switching to the next
choice. See Figure 10 for a visual that illustrates changing between base map background
choices and how the hover messages compare to what is on-screen. In the example below,
though the image on the left shows the Topography button indicating the graphic for the
Satellite selection, the hover message indicates the current selection is Landmass. The satellite
imagery does not display until clicking the button again to change the display to Terrain. Terrain
would not display until clicking the button back to Landmass.

Figure 10: Topography Button with All Base Map Choices

Use of satellite imagery and terrain base map backgrounds help to identify and visualize the
features that the 2020 statistical area boundaries follow and may provide valuable insight to
understanding if corrections need to be made.
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APPENDIX C

ADDING DELINEATION PHASE SUBMISSION TO
VERIFICATION PHASE PROJECT

Participants may add their delineation phase submission files into their verification phase GUPS
project. Doing so provides a visible reference for use during interactive GUPS work to correct
the discrepant statistical area boundaries.
IMPORTANT:

While having the delineation files available for reference during verification is nice, the
Census Bureau strongly encourages participants to focus on the existing 2020 statistical
areas and whether they work for the tabulation and distribution of statistical data.

Refer to Section 7.3 and Table 29 within the 2020 Census PSAP Tribal Respondent Guide (G-690)
for detailed instruction on the proper use of the Add Vector Layer button and for changing
layer symbolization or call the Census Bureau at 1-844-788-4921 for assistance. As a high level
summary for adding the delineation submission shapefiles into the verification phase project,
follow these steps:


Navigate to the directory location of the delineation phase .zip file
(i.e., PSAP20_<499RRRRAAAA>_return.zip). As noted previously in the document, the
<499RRRRAAAA> corresponds to a unique 11-digit code for your tribal area(s). The default
directory location was likely C:\GUPSGIS\gupsdata\TSR20\output, but you may have copied the
file to another directory for storage reasons or to archive it for safe-keeping.



Unzip the delineation phase submission .zip file.



Utilize the Add Vector Layer button within the Manage Layers toolbar, as highlighted below in
Figure 11, to add in the “changes” shapefiles. The “changes” shapefiles show the polygons for
the respective layer that were changed, so they can be used as reference when making
corrections. Note: Ensure layers being added use the NAD83 coordinate system. Do not add
layers into GUPS in coordinate systems other than NAD83.

Figure 11: GUPS – Manage Layers Toolbar - Add Vector Layer Button



Change the symbolization of the added shapefiles to view properly with the verification phase
shapefiles. Depending on where the added shapefiles appear in the Table of Contents,
symbolization changes can occur to the outline, pattern, transparency, color, layer order, etc.

With updated symbology and the ability to turn on/off layers, participants can visualize the
differences between the delineation and verification phase statistical area boundaries and use
the components of the delineation phase submission to assist with making the correction
during the verification phase. Refer to Sections 8.3.5, 8.4.4, and 8.5 of the 2020 Census PSAP
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Tribal Respondent Guide (G-690) for instructions on making boundary corrections to the tribal
census tracts, tribal block groups, and CDPs, respectively.

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2020 Census Participant Statistical Areas
Program (PSAP) Verification Respondent Guide
Instructions for Participants with Standard Statistical Geographies
November 2019

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TABLE OF CONTENTS
Introduction ......................................................................................................................... iv
A.

General Information ........................................................................................................iv

B.

2020 Census PSAP Schedule .............................................................................................v

C.

Training and Support .......................................................................................................vi

D.

Respondent Guide Organization......................................................................................vi

Part 1

Reviewing 2020 Statistical Areas.......................................................................... 8

Chapter 1 Identifying a Plan for Conducting Verification ...................................................... 8
Chapter 2 Using TIGERweb to Review 2020 Statistical Areas ................................................ 9
2.1

TIGERweb Applications .................................................................................................. 10

2.2

TIGERweb WMS and TIGERweb REST Services .............................................................. 21

Chapter 3 Using Online PDF Maps to Review 2020 Census Tract Coding ............................. 25
Chapter 4 Email Notification of Corrections to or Approval of the 2020 Statistical Areas .... 29
Part 2

Correcting 2020 Statistical Areas........................................................................ 31

Chapter 5 Using GUPS to Correct 2020 Statistical Areas ..................................................... 32
5.1

Updating GUPS............................................................................................................... 32

5.1.1 Downloading and Installing GUPS and QGIS ............................................................. 33
5.2

Opening GUPS and Starting a New Project ................................................................... 38

5.3

Introducing GUPS Modifications for the Verification Phase ......................................... 41

5.4

Reinforcing GUPS Tools for the Verification Phase ....................................................... 42

5.4.1 Clarifying Use of the Boundary Change Tools ........................................................... 43
5.4.2 Clarifying Use of the Undo Button ............................................................................ 44
5.4.3 Reinforcing the Use of Imagery ................................................................................. 45
5.5

Exporting a File for Submission...................................................................................... 45

Part 3

Submitting Corrections to the 2020 Statistical Areas .......................................... 47

Chapter 6 Using the Secure Web Incoming Module (SWIM) for PSAP Verification .............. 47
Chapter 7 Next Steps for the 2020 Census PSAP ................................................................. 51
Appendix A

Using TIGERweb to Compare 2020 Statistical Areas to 2010 Statistical Areas A-1

Appendix B

Changing the Map Background within the TIGERweb Online Map Viewer ..... B-1

Appendix C

Adding a Delineation Phase Submission to a Verification Phase Project ........ C-1

Appendix D

Correcting Census Tract Coding .................................................................... D-1

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LIST OF TABLES
Table 1: 2020 Census PSAP Schedule ..............................................................................................v
Table 2: Using the TIGERweb Online Map Viewer ........................................................................ 10
Table 3: Using the TIGERweb WMS .............................................................................................. 21
Table 4: Using the TIGERweb REST Services ................................................................................. 23
Table 5: Locating and Using the Online PDF Maps to Review 2020 Census Tract Coding ........... 26
Table 6: Requirements for Hardware, Operating Systems, and Internet Browsers ..................... 33
Table 7: Downloading and Installing the Newer Version of GUPS and QGIS ............................... 34
Table 8: Getting Started with GUPS using Census Web ............................................................... 38
Table 9: SWIM Example ................................................................................................................ 47
Table 10: Comparing 2020 and 2010 Statistical Areas in TIGERweb ........................................... A-1
Table 11: Using GUPS to Correct Census Tract Coding ................................................................ D-1

LIST OF FIGURES
Figure 1: Sample Verification Email Notification from Participant............................................... 29
Figure 2: Individual Statistical Geography Chapters in the G-730 Table of Contents .................. 31
Figure 3: GUPS Information Window ............................................................................................ 42
Figure 4: Example of GUPS Table of Contents with Layers........................................................... 43
Figure 5: Census Tract and Block Group Boundary Change Sections in the G-730 Table of
Contents ......................................................................................................................... 44
Figure 6: CDP and CCD Boundary Change Sections in the G-730 Table of Contents ................... 44
Figure 7: Select Output Type Window - Export for Census .......................................................... 45
Figure 8: Export to Zip Window for Verification Phase ................................................................ 46
Figure 9: TIGERweb Topography Button ..................................................................................... B-1
Figure 10: Topography Button with All Base Map Choices ......................................................... B-1
Figure 11: GUPS - Manage Layers toolbar - Add Vector Layer button ........................................ C-1

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INTRODUCTION
A.

General Information

The U. S. Census Bureau completed processing of the 2020 Census Participant Statistical Areas
Program (PSAP) delineation phase submissions and is now ready to begin the 2020 Census PSAP
verification phase. The verification phase provides an opportunity to ensure the 2020 statistical
areas are acceptable and reflect the edits made by participants and the Census Bureau during
the delineation phase. It serves as the final review of the statistical areas used to tabulate the
results of the 2020 Census, the American Community Survey (and Puerto Rico Community
Survey), the Economic Census, and potentially other census surveys.
In some instances the Census Bureau revised participants’ delineation phase submissions in
order to meet established criteria and guidelines. For that reason, participants are encouraged
to conduct a thorough review of the current 2020 statistical areas to determine if they work for
the tabulation and distribution of statistical data and to provide corrections where needed.
Participants can compare the current 2020 statistical area boundaries and attributes with the
information submitted during the delineation phase or conduct a complete review without
making a comparison to their delineation phase submission.
Note:

Participant revisions to the 2020 statistical areas during the verification phase, that were
not provided during the delineation phase, will be considered based on the scope of the
revision, their merit for analytical purposes, and their adherence to the established
criteria and guidelines.

The Census Bureau requests participants use TIGERweb to review the 2020 statistical areas
applicable to their county(s)1 and to use the Geographic Update Partnership Software (GUPS) to
make corrections where needed. The statistical areas eligible for review are census tracts, block
groups, census designated places (CDPs), and census county divisions (CCDs). Please be aware
CCDs only exist in the following 21 states: Alabama, Alaska (referred as census subarea),
Arizona, California, Colorado, Delaware, Florida, Georgia, Hawaii, Idaho, Kentucky, Montana,
Nevada, New Mexico, Oklahoma, Oregon, South Carolina, Texas, Utah, Washington, and
Wyoming.

1

For Census Bureau purposes, the term “county” includes municipios in the Commonwealth of Puerto Rico;
parishes in Louisiana; boroughs, city and boroughs, municipalities, and census areas in Alaska; independent cities
in Maryland, Missouri, Nevada, and Virginia; districts and islands in American Samoa, and districts in the U.S. Virgin
Islands; municipalities in the Commonwealth of the Northern Mariana Islands; and the areas constituting the
District of Columbia and Guam. Henceforth in this document, the terms “county” or “counties” will refer to all of
these entities.
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IMPORTANT:

The verification phase provides the only opportunity for participants to review CDPs
modified or created during the delineation phase. Locate the file that lists the new CDPs
created since the delineation phase on the PSAP website. Please review the CDPs within
the counties listed on the verification announcement to ensure each CDP captures the
extent of the community it seeks to define (i.e., review the boundary) and is identified
by the name locally used for that community (i.e., review the CDP name).

For navigating the various products and software for PSAP verification, it is helpful to
understand the unique entity identification codes used by the Census Bureau for counties.
These codes appear on the verification announcement, in the file names for the Online Portable
Document Format (PDF) maps of census tracts, and within GUPS.
The entity identification code for counties uses the two digit state Federal Information
Processing Series (FIPS) code concatenated with the three-digit county FIPS code. For example,
27123 is the five-digit FIPS code for Ramsey County, Minnesota, where 27 is the two-digit state
FIPS code for Minnesota and 123 is the three-digit county FIPS code for Ramsey County.

B.

2020 Census PSAP Schedule

Below is the 2020 Census PSAP schedule that includes past, ongoing, and upcoming activities.
Table 1: 2020 Census PSAP Schedule
Dates

Event

March-May 2018

Census Bureau contacted 2010 Census PSAP participants to
inquire about 2020 Census PSAP participation. ✔

July 2018

Census Bureau distributed 2020 Census PSAP invitation materials
to 2020 Census PSAP participants. ✔

January 2019

2020 Census PSAP delineation phase began. Participants had 120
calendar days to submit updates. ✔

January-February 2019

Census Bureau conducted 2020 Census PSAP delineation phase
webinar trainings. ✔

July 2019

Census Bureau conducted closeout of the 2020 Census PSAP
delineation phase. ✔

January 2020

2020 Census PSAP verification phase begins. Participants have 90
calendar days upon receipt of verification announcement to
review the 2020 statistical areas and submit corrections. ✔

April 2020

2020 Census PSAP verification phase ends.

September 2020

Census Bureau plans to conduct closeout of the 2020 Census
PSAP verification phase.

November 2020 – February
2021

On a flow basis, beginning in November 2020 through February
2021, the 2020 statistical areas become available for public use.

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C.

Training and Support

The Census Bureau provides assistance by answering questions; clarifying criteria, guidelines
and procedures; and by providing information concerning specific situations that participants
encounter when reviewing and verifying their 2020 statistical areas. A pre-recorded verification
phase training video/demonstration is available on the PSAP website for participants to utilize
as an on-demand training tool. The verification phase training video/demonstration provides an
overview of the verification phase and of the updated PSAP website. It provides information on
the following topics:


Reviewing 2020 statistical areas.



Making corrections to 2020 statistical areas.



Submitting corrections to 2020 statistical areas.

The verification training video/demonstration does not include the detailed steps for using
GUPS that are included in the delineation phase training materials; therefore, all of the
delineation phase training materials (e.g., Standard GUPS presentation, script, and webinar
recording) remain on the PSAP website for participants’ use. No training webinars are planned
for the verification phase.
IMPORTANT:

It is vital that participants use all of the existing training materials as they begin their
verification phase review and potential corrections of 2020 statistical areas.

For questions concerning technical matters with the GUPS application or specific programmatic
questions, support from the Census Bureau is available by phone at 1-844-788-4921 or by email
at .

D.

Respondent Guide Organization

This respondent guide consists of three parts: Reviewing 2020 Statistical Areas, Correcting 2020
Statistical Areas, and Submitting Corrections to the 2020 Statistical Areas. It includes
information to enhance the instructions and details provided in the 2020 Census PSAP Standard
Respondent Guide (G-730), created for use in the delineation phase, as well as new or updated
information applicable to the verification phase.
For an overview of the 2020 statistical areas as well as the GUPS basics, participants must refer
to the 2020 Census PSAP Standard Respondent Guide (G-730). Participants will also need to
navigate the PSAP website,
, to review
other program materials such as the Quick Reference Guides for their specific statistical
geographies, the Quick Program Guide, and the training materials.
As with the delineation phase respondent guide, two styles are implemented within this guide.
The first provides specific instructions through “Step – Action and Result” tables. In these
tables, the Action is usually a command or action to perform and the Result(s) of the action are
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written in italics. For an example, the action “Double-click the icon” has the result of “and the
program automatically launches.” The second is the use of bold, blue colored font to denote
the presence of a cross-referenced hyperlink to other sections, figures, tables, or appendices.
To skip directly to the linked item, use the Ctrl key and click the left mouse button while
hovering over the bold blue words. The “Table 2” in section 2.1 is the first cross-referenced
hyperlink in this document.
IMPORTANT:

U.S. Census Bureau

At the time of creation of this respondent guide, the PSAP website, TIGERweb, GUPS,
and the Online PDF maps of census tracts are in the final stages of development. As a
result, the screenshots within this document may vary slightly from the final versions
released to support the verification phase. While the examples may differ slightly, the
overall instruction, action, and result remain consistent with what is anticipated with
the final versions.

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PART 1

REVIEWING 2020 STATISTICAL AREAS

Reviewing the 2020 statistical areas to determine if any corrections are necessary is the first
step of the verification phase. With 90 calendar days to conduct the review, it is important to
begin your review as soon as possible after receipt of the verification announcement.
IMPORTANT:

A participant’s focus should remain on whether the existing 2020 statistical areas work
for the tabulation and distribution of statistical data and whether the census tract codes
are consistent with long established census tract coding plans.

The chapters within this part of the respondent guide discuss the following:


Identifying a plan for conducting verification.



Reviewing the 2020 statistical areas using TIGERweb to verify if the statistical area boundaries
and attributes (e.g., census tract codes, block group codes, CDP names, and CCD names) align
with expectations.



Using the Online PDF maps, instead of, or in addition to, TIGERweb, to review the census tract
codes.



Detailing the email notification requested from participants to inform the Census Bureau of their
intentions to make corrections or to approve the existing 2020 statistical areas.

CHAPTER 1

IDENTIFYING A PLAN FOR CONDUCTING VERIFICATION

The Census Bureau strongly recommends reviewing the current 2020 statistical area boundaries
and attributes using TIGERweb to determine if they serve your county(s) for the tabulation and
distribution of statistical data. Because time is a factor during verification, the Census Bureau
recommends prioritizing the verification review as follows:
1. First, ensure a review of the census tract updates;
2. Then review the block group updates;
3. Then review new CDPs and any updates submitted for existing CDPs, if applicable. A list of new
CDPs is available on the PSAP website beneath the 2020 Census PSAP Verification Materials
section within the Additional Review Materials sub-section.
4. Conclude with a review of CCDs, if applicable in your state.

If a long-established census tract coding pattern exists within the county(s) for review, conduct
a complete county review of the census tract coding to ensure the pattern is maintained. As
census tract splits and merges occur, the codes assigned by GUPS and processed during the
delineation phase may not follow the established pattern. Participants can conduct this census
tract coding review using TIGERweb or Online PDF maps. More details on both of those review
tools is in upcoming chapters.
Participants that made specific boundary and attribute updates during the delineation phase
may wish to conduct a review of those specific updates to determine if the Census Bureau
applied those changes. They can do so by using TIGERweb Web Mapping Service (WMS), and
TIGERweb Representational State Transfer (REST) Services described in the next chapter to pull
the Current vintage into their own web mapping service or GIS for comparison.
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The most common reason delineation phase updates were not applied relates to the improper
application of guidelines or adherence to criteria for each specific statistical geography. If
updates were made during delineation that resulted in statistical areas not complying with
minimum criteria or not following the guidelines for the specific statistical area, and an
adequate justification for the update was not supplied, the Census Bureau did not make those
updates. Resupplying that change as a correction during the verification phase will likely result
in the same outcome (i.e., the Census Bureau not accepting the correction to the statistical
area).
If you determine a significant amount of updates were not applied and have questions about
why the updates were not applied, please contact the Census Bureau by email at
or by phone at 1-844-788-4921 so they can research the county and
provide you with background information from the delineation phase processing. Do not
proceed with resubmitting delineation phase updates that were not applied to the 2020
statistical areas, or with making significant corrections to the statistical areas until a
conversation with the Census Bureau occurs. They will provide instruction and guidance on
how, or if, to proceed with making corrections.

CHAPTER 2

USING TIGERWEB TO REVIEW 2020 STATISTICAL AREAS

TIGERweb was first introduced as a supplemental source for use during the delineation phase.
The 2020 Census PSAP Standard Respondent Guide (G-730) includes Appendix E that provides
tables with guidance for using TIGERweb to compare the 2010 statistical areas with the
proposed 2020 statistical areas. For the verification phase, use the information in this chapter,
in association with the guidance from Appendix E in the delineation phase respondent guide
and the TIGERweb User Guide available within TIGERweb, to conduct a review of your 2020
statistical areas.
TIGERweb is a web-based system that allows users to visualize the Topologically Integrated
Geographic Encoding and References system and database (TIGER) data in three ways:
TIGERweb Applications, TIGERweb WMS, and TIGERweb REST Services.
The TIGERweb Applications choice allows users to select features and view their attributes, to
search for features by name or geocode, and to identify features by selecting them from a map.
It provides a simple way to view TIGER data without Geographic Information System (GIS)
software and without downloading data. It uses the TIGERweb REST Services to provide an
online, web-based method for reviewing the TIGER data.
TIGERweb WMS and TIGERweb REST Services allow users to integrate census data into their
own GIS or custom web-based application. Find more information about TIGERweb within the
online documentation on its website:
.

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2.1

TIGERweb Applications

See Table 2 for an example of using TIGERweb online map viewer to review county-based 2020
statistical areas. Refer to Appendix A for instructions on using the TIGERweb online map viewer
to compare the 2020 statistical areas to the 2010 statistical areas.
Table 2: Using the TIGERweb Online Map Viewer
Step

Action and Result
Open a new internet browser window and navigate to the TIGERweb website
. The TIGERweb main
page appears.

Step 1

Note: A link to TIGERweb is also available on the PSAP website.
Click the TIGERweb Applications tab to the right of the Home tab, then TIGERweb along the left
side of the screen. Do not select TIGERweb Decennial or TIGERweb Economic Census.

Step 2

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Step

Action and Result
The TIGERweb online map viewer application launches.

Step 3

Access the TIGERweb User Guide from the Help/About button in the upper right corner of the
screen after launching TIGERweb or along the left side of the screen within the TIGERweb
Applications tab.

With the Layers tab active, ensure the Select Vintage section is set, and remains set, to Current.
Note: Even though the 2020 statistical areas are included in the Current vintage and made
available to the public through TIGERweb, they are not yet used in most data products since they
will not be finalized until after the verification phase concludes.

Step 4

IMPORTANT: Refer to Table 63 and Table 64 in Appendix E of the 2020 Census PSAP Standard
Respondent Guide (G-730) for background on the map display, navigation tools, Layers panel,
legend, and tools. The remaining steps in this table assume familiarity with TIGERweb and its
functionality that is defined in the aforementioned respondent guide.

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Check the Census Tracts and Blocks layer and the Places and County Subdivisions layer in the
Layers panel. These two layers contain the 2020 statistical areas for census tracts, block groups,
CDPs, and CCDs. Check the Transportation (Roads and Railroads) layer to assist with the review.
Ensure the Labels layer and Hydrography layer remain checked.

Step 5

Note: Because geographic and locational context and relationships are important, TIGERweb
determines which geographic entities and features may be visible based on the map scale.
Participants can turn on/off layers in the Layers panel which limits the amount of data on the
map that appear at a given scale. Additionally, when multiple layers display, one layer may
obscure another. Change the transparency of the layer by moving the sliding bar beneath each
layer name to the left or right. The Census Tracts and Blocks layer and the Places and County
Subdivisions layer in the image above show the slide bar.
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Step

Action and Result
Manually zoom in or use the Query tool to zoom to the extent of the county to review.

Step 6

Within the Query tool, ensure the Attribute tab is active. Choose States and Counties from the
Select Map… drop-down menu.

Step 7

Select Counties within the Select Layer(s) section.

Step 8

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Step

Action and Result
Type all, or part of, the name of the county in the Enter Name of Feature section AND/OR all, or
part of, the five digit state and county FIPS code, as described in Section A, in the Enter GEOID of
Feature section. Click SUBMIT.
Note: The state and county FIPS code(s) are listed at the end of the verification announcement.

Step 9
The map display zooms to the extent of the county and the name of the county name and state
abbreviation appears in the Query Results section of the Task Results tab along the left side of
the screen.

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Step

Action and Result
Clicking the county name in the Query Results section launches a TIGERweb – Info window with
basic census and geographic information about the county and selects the county in the map
display.

If a county name (or partial county name) repeats among states, the query returns all counties
with that name in the Query Results section of the Task Results tab. Click the correct county to
review and TIGERweb zooms to the spatial extent of that county.

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Step

Step 10

Action and Result
Continue to zoom in using either the Zoom In scrollbar or the rollerball on the mouse to visualize
the statistical area boundaries and features used to form the boundaries. At the county extent,
statistical area boundary review is likely impossible, so continue to zoom in and pan around the
county to manually view the statistical area boundaries and attributes to verify they align with
expectations.
IMPORTANT: While the census tract coding can be reviewed using TIGERweb, the Census Bureau
also created Online PDF maps for each county for the sole purpose of reviewing the 2020 census
tract coding. The Census Bureau encourages the use of both TIGERweb and the Online PDF maps
to conduct a thorough verification review for each county. Refer to Chapter 3 for details on that
map product.
The Scale Bar at the bottom left of the map display displays the scale, but it also indicates the
zoom level in the form of numbers. At zoom level 6, county boundaries become visible. At zoom
level 9, census tracts, CDPs/incorporated places, and CCDs appear. Labels appear at zoom level
11.

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Step

Action and Result
To start a new query or refresh the screen, click Clear Map (button with an “X”) on the
navigation toolbar above the Zoom-In scrollbar. The TIGERweb – Info window disappears and
the located entity is no longer highlighted.

Step 11

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Step

Action and Result
IMPORTANT: The Query tool can also be used to query within the map extent (the extent of the
county zoomed from the previous steps) and zoom to individual census tracts, block groups,
CDPs and CCDs.
With TIGERweb zoomed to the extent of the queried county, change the Select Map... selection
from States and Counties to Census Tracts and Blocks (for census tracts and block groups),
check the Within Map Extent checkbox, then select the appropriate layer within the Select
Layer(s) section, and key the appropriate GEOID or Name. The GEOID for census tracts and block
groups is the state and county FIPS code concatenated with the census tract (and block group)
codes.
To zoom into census tract 1305.00 in Johnson County, Texas, with the map zoomed to the spatial
extent of Johnson County Texas, change the Select Map… section from States and Counties to
Census Tracts and Blocks, check the Within Map Extent checkbox, select Census Tracts in the
Select Layer(s) section, key 48251130500 into the GEOID field and click SUBMIT. TIGERweb
zooms to the spatial extent of census tract 1305.00 within Johnson County, Texas.
To zoom to block group 2 of census tract 1305.00, with the map zoomed to the spatial extent of
census tract 1305.00, change the layer to Census Block Groups, key 482511305002 into the
GEOID field, and click SUBMIT. TIGERweb zooms to the spatial extent of block group 2 of census
tract 1305.00 within Johnson County, Texas.

Step 12

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Step

Action and Result
To review the CDPs and CCDs, change the Select Map… section to Places and County
Subdivisions, select the appropriate layer within the Select Layer(s) choices (e.g., County
Subdivisions or Census Designated Places), key all or part of the Name rather than GEOID and
click SUBMIT. TIGERweb zooms to the spatial extent of the county subdivision or CDP in Johnson
County, Texas.

Step 13

Note: This method of querying individual statistical areas may not be feasible for counties with a
large number of statistical areas, but it may be helpful if a participant knows exactly what
statistical areas they modified during the delineation phase.
The use of satellite imagery or terrain in TIGERweb may also benefit a participant conducting a
review of the 2020 statistical areas. Refer to Appendix B for instructions on toggling between
landmass, satellite imagery, and terrain within the TIGERweb online map viewer.

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Step

Action and Result
Instead of an attribute query, some may want to perform a spatial query. Change the tab within
the Query tool from Attribute to Spatial. Select the map from which to query in the Select
Map… section and the appropriate layer within the Select Layer(s) section. Choose the spatial
method symbol from the six choices: Point, Polyline, Polygon, Rectangle, Free Line, or Free
Polygon. Once selected interactively touch/draw on the map display to define the spatial area to
query.

Step 14

If you are responsible for one county in PSAP, review the 2020 statistical areas and attributes in
that county to determine if corrections are necessary. Using guidance in Chapter 4 of this
respondent guide, send an email to the Census Bureau indicating whether you approve of the
2020 statistical areas or whether corrections are forthcoming. If no corrections are identified,
your participation concludes after sending an email of approval to the Census Bureau. If
corrections are identified, make note of which statistical areas and/or attributes need
modification. A list of statistical areas in need of correction is useful when making the
corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on correcting the
2020 statistical areas.
Step 15

U.S. Census Bureau

If you are responsible for more than one county in PSAP, perform a quick review of the 2020
statistical areas and attributes in each county to identify whether or not corrections are
necessary. As soon as one correction is identified, move to reviewing the next county until all
counties under your responsibility for PSAP are reviewed. Using guidance in Chapter 4 of this
respondent guide, send one email that gives a status (approved as-is or corrections forthcoming)
for all of the counties in your verification universe. If no corrections are identified, your
participation concludes after sending an email of approval to the Census Bureau. If corrections
are needed, continue to identify corrections in each county, making note of which statistical
areas and/or attributes need modification. A list of statistical areas in need of correction is useful
when making the corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance
on correcting the 2020 statistical areas.

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2.2

TIGERweb WMS and TIGERweb REST Services

Rather than using the TIGERweb online map viewer, see Table 3 for steps on reviewing the
county-based 2020 statistical areas by using the TIGERweb WMS. See Table 4 for steps on
reviewing the county-based 2020 statistical areas by using the TIGERweb REST Services.
Table 3: Using the TIGERweb WMS
Step

Action and Result
Open a new internet browser window and navigate to the TIGERweb website
. The TIGERweb main
page appears.

Step 1

Click the WMS tab which is two tabs to the right of the Home button. The TIGERweb Web
Mapping Service (WMS) page opens. Visit
to download and review the WMS specification.

Step 2

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Step

Action and Result
Incorporate the Current URL from the TIGERweb WMS URLs section on the WMS main page into
your local service/system OR select the Current Geography link along the left side of the WMS
main page beneath the Web Map Services TIGERweb section to uncover additional WMS
options.

Step 3

Step 4

Both methods provide the ability to load URLs for the Current vintage and Census 2010 vintage
data into your local service/system for comparison. Follow the information on screen to
complete loading the data. Compare the 2020 statistical areas to the 2010 statistical areas by
turning the Census 2010 layer on/off in your local service/system.
Note: While having the Census 2010 layer for comparison is nice, a participant’s focus should
remain on whether the existing 2020 statistical areas work for the tabulation and distribution of
statistical data and whether any attribute errors exist.

Step 5

U.S. Census Bureau

Zoom and pan, or perform queries within your service/system, after incorporating the Current
vintage census data to review the 2020 statistical area boundaries and attributes applicable to
your county(s) to verify they align with expectations. As a reminder, the statistical areas
boundaries to review, include census tracts, block groups, census designated places (CDPs), and
census county divisions (CCDs).
IMPORTANT: While the census tract coding can be reviewed using TIGERweb WMS, the Census
Bureau also created Online PDF maps for each county for the sole purpose of reviewing the 2020
census tract coding. The Census Bureau encourages the use of both TIGERweb and the Online
PDF maps to conduct a thorough verification review for each county. Refer to Chapter 3 for
details on that map product.

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Step

Action and Result
If you are responsible for one county in PSAP, review the 2020 statistical areas and attributes in
that county to determine if corrections are necessary. Using guidance in Chapter 4 of this
respondent guide, send an email to the Census Bureau indicating whether you approve of the
2020 statistical areas or whether corrections are forthcoming. If no corrections are identified,
your participation concludes after sending an email of approval to the Census Bureau. If
corrections are identified, make note of which statistical areas and/or attributes need
modification. A list of statistical areas in need of correction is useful when making the
corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on correcting the
2020 statistical areas.

Step 6

If you are responsible for more than one county in PSAP, perform a quick review of the 2020
statistical areas and attributes in each county to identify whether or not corrections are
necessary. As soon as one correction is identified, move to reviewing the next county until all
counties under your responsibility for PSAP are reviewed. Using guidance in Chapter 4 of this
respondent guide, send one email that gives a status (approved as-is or corrections forthcoming)
for all of the counties in your verification universe. If no corrections are identified, your
participation concludes after sending an email of approval to the Census Bureau. If corrections
are needed, continue to identify corrections in each county, making note of which statistical
areas and/or attributes need modification. A list of statistical areas in need of correction is useful
when making the corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance
on correcting the 2020 statistical areas.

Table 4: Using the TIGERweb REST Services
Step

Action and Result
Open a new internet browser window and navigate to the TIGERweb website
. The TIGERweb main
page appears.

Step 1

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Step

Action and Result
Click the REST Services tab which is three tabs to the right of the Home button. The REST
Services page opens. Visit to download and review
the GeoServices REST specification.

Step 2

Incorporate the appropriate Map Service Links into your local server/system (e.g., Census Tracts
and Blocks and Places and County Subdivisions, plus other valuable reference links like
Transportation, States and Counties, and Hydrography) from the TIGERweb REST Services
section on the REST Services main page OR select the TIGERweb link along the left side of the
REST Services main page beneath the REST Services section to uncover additional REST Services
options. Do not select any other service than TIGERweb.

Step 3

Step 4

Both methods provide the ability to load URLs for the Current vintage and Census 2010 vintage
data into your local service/system for comparison. Follow the information on screen to
complete loading the data. Compare the 2020 statistical areas to the 2010 statistical areas by
turning the Census 2010 layer on/off in your local service/system.
Note: While having the Census 2010 layer for comparison is nice, a participant’s focus should
remain on whether the existing 2020 statistical areas work for the tabulation and distribution of
statistical data and whether any attribute errors exist.

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Step

Step 5

Action and Result
Zoom and pan, or perform queries within your service/system, after incorporating the Current
vintage census data to review the 2020 statistical area boundaries and attributes applicable to
your county(s) to verify they align with expectations. As a reminder, the statistical areas
boundaries to review, include census tracts, block groups, census designated places (CDPs), and
census county divisions (CCDs).
IMPORTANT: While the census tract coding can be reviewed using TIGERweb REST Services, the
Census Bureau also created Online PDF maps for each county for the sole purpose of reviewing
the 2020 census tract coding. The Census Bureau encourages the use of both TIGERweb and the
Online PDF maps to conduct a thorough verification review for each county. Refer to Chapter 3
for details on that map product.
If you are responsible for one county in PSAP, review the 2020 statistical areas and attributes in
that county to determine if corrections are necessary. Using guidance in Chapter 4 of this
respondent guide, send an email to the Census Bureau indicating whether you approve of the
2020 statistical areas or whether corrections are forthcoming. If no corrections are identified,
your participation concludes after sending an email of approval to the Census Bureau. If
corrections are identified, make note of which statistical areas and/or attributes need
modification. A list of statistical areas in need of correction is useful when making the
corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance on correcting the
2020 statistical areas.

Step 6

If you are responsible for more than one county in PSAP, perform a quick review of the 2020
statistical areas and attributes in each county to identify whether or not corrections are
necessary. As soon as one correction is identified, move to reviewing the next county until all
counties under your responsibility for PSAP are reviewed. Using guidance in Chapter 4 of this
respondent guide, send one email that gives a status (approved as-is or corrections forthcoming)
for all of the counties in your verification universe. If no corrections are identified, your
participation concludes after sending an email of approval to the Census Bureau. If corrections
are needed, continue to identify corrections in each county, making note of which statistical
areas and/or attributes need modification. A list of statistical areas in need of correction is useful
when making the corrections in GUPS. Proceed to Part 2 of this respondent guide for guidance
on correcting the 2020 statistical areas.

CHAPTER 3

USING ONLINE PDF MAPS TO REVIEW 2020 CENSUS
TRACT CODING

The Census Bureau created county-based, Online PDF maps that show the census tract
boundaries, census tract coding (labels), and other common map features to assist with the
review of the 2020 census tract coding. These maps are not available in printed form and are
not for use for any reason other than reviewing the 2020 census tract codes.
While the 2020 census tract codes can be viewed in TIGERweb, the Census Bureau believes this
product allows participants to more easily scan and review the coding scheme to ensure any
long-standing or existing coding patterns are maintained throughout the 2020 Census PSAP
process. The verification phase is the last opportunity to correct errors or inconsistencies with
census tract coding before the final 2020 tabulation geography is created. This review is very
important for participants with long established census tract plans and coding schemes.

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The file naming convention for these map files is as follows: PSAPV20CT.pdf, where
corresponds to the five-digit, state county FIPS code described in Section A and listed
on the verification announcement for your responsible county(s). For example, the file name
for Ramsey County, Minnesota would be PSAPV20CT27123.pdf and the file name for Arroyo
Municipio, Puerto Rico would be PSAPV20CT72015.pdf. The maps include Census Tract Code
Review Map in their title to reinforce their purpose during PSAP verification.
Refer to Table 5 for the steps to locate and use the Online PDF maps to conduct a review of the
2020 census tract coding within a county.
Table 5: Locating and Using the Online PDF Maps to Review 2020 Census Tract Coding
Step

Action and Result
Open a new internet browser window and navigate to the PSAP website
. The PSAP
main page appears.

Step 1

Step 2

Scroll down the page to locate the Online PDF Maps – Census Tract sub-section within the 2020
Census PSAP Verification Materials section.

Step 3

From the drop-down menu within the Choose a State to View section, select the name of the
state in which the county to review is located. The system routes participants to a file transfer
protocol (FTP) directory for that state. The individual PDF files for each county within the state
appear.

Step 4

Using the naming convention described in the introductory paragraph to this table, click the PDF
file name to open the map directly on-screen or to save the file locally for later use. Follow the
on-screen instructions for downloading and saving the file.
Note: If using the file locally, ensure use of Adobe Reader® or Adobe Acrobat® to preserve the
map symbology and readability.

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With the county-based PDF file open, zoom and pan around the county checking the 2020
census tract coding to confirm it aligns with expectations. The first image below shows the map
at a 75% zoom level in Adobe Acrobat and includes a portion of the map title.
Note: These images are for illustrative purposes only and do not reflect the 2020 census tracts
for Ramsey County, MN.

Step 5

The second image shows the map at 100% zoom level with several census tracts displayed.

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Step

Action and Result
Make note of the 2020 census tract coding errors as they are discovered and continue to review
the county until all of the census tract codes have been reviewed. Conducting a complete review
of the county allows participants to prepare a complete list of census tracts that need correction
to their coding.

Step 6

If no corrections to the statistical area boundaries were discovered during the TIGERweb review,
but census tract coding errors were discovered during a review of the Online PDF maps, please
notify the Census Bureau of forthcoming corrections by following the instructions in Chapter 4.
Note: If you have already notified the Census Bureau of forthcoming corrections for your
county(s) once boundaries issues were discovered using TIGERweb, there is no need to provide
additional notification if census tract coding errors are discovered.

Step 7

U.S. Census Bureau

Refer to Appendix D for instruction on using GUPS to correct the errant census tract coding.

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CHAPTER 4

EMAIL NOTIFICATION OF CORRECTIONS TO OR
APPROVAL OF THE 2020 STATISTICAL AREAS

Within 30 calendar days of receipt of the verification announcement, the Census Bureau
requests either the PSAP primary official contact or the PSAP primary technical contact email
to indicate whether or not corrections to the 2020 statistical areas for
their county(s) are forthcoming. See Figure 1 for a sample email that contains information that
ensures proper accounting for your county(s) and their verification status.
Note:

The information included in the sample email is fictitious.

Figure 1: Sample Verification Email Notification from Participant

A complete review of a county is not required to notify the Census Bureau of forthcoming
corrections. Identification of any correction to a 2020 statistical area boundary or to a 2020
census tract code allows for an email to be sent notifying the Census Bureau of forthcoming
corrections to the specific county. Conversely, if the review concludes that no corrections are
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required, an email notification of approval allows the Census Bureau to proceed with the 2020
statistical areas as they exist in the verification phase materials. If corrections are identified
after having notified the Census Bureau that no corrections were necessary, please send an
email alerting the Census Bureau to a change in the verification status for the specific county(s).
For participants with more than one county to review, the Census Bureau suggests a quick
review of each county so that notification can be sent for all counties at once within the
requested 30 calendar days of receipt of the verification announcement. If the Census Bureau
does not receive email notification of approval or has not received a verification phase
submission containing corrections for your county(s) halfway through the review period (i.e.,
approximately 45 calendar days from receipt of the verification announcement), a follow-up
notification regarding the status of your county(s) will be distributed by email or letter. This
follow-up notification includes a reminder to email the Census Bureau of your approval or of
your intention to make a submission and reinforces the importance of an on-time verification
submission. Participants are encouraged to use the time remaining in the review period to
complete their verification phase corrections. Late submissions will not be accepted.
Prior to making major or significant corrections to the statistical area boundaries or attributes,
contact the Census Bureau by email at or by phone at 1-844-788-4921
to receive guidance on how, or if, to proceed. There may be situations where boundary changes
suggested during the delineation phase were not applied and communication with the
participant about those changes was not initiated. Contacting the Census Bureau to learn more
about why the verification materials do not reflect delineation phase updates will inform a
participant whether resubmitting the same changes are acceptable for the verification phase.
However, if minor or a few corrections to the statistical area boundaries or attributes are
necessary, proceed with the instructions in Part 2 of this material and the 2020 Census PSAP
Standard Respondent Guide (G-730) to complete the statistical area corrections.
IMPORTANT:

U.S. Census Bureau

Participants that agree with the 2020 statistical areas for their county(s) only need to
submit an email stating their approval. No submission or additional correspondence is
required. Proceed to Chapter 7 to close-out 2020 Census PSAP.

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PART 2

CORRECTING 2020 STATISTICAL AREAS

Participants that determine corrections to the 2020 statistical areas are necessary must use
GUPS to perform the corrections. Because the process for using GUPS to update statistical
areas during the verification phase is identical to the process used during the delineation phase,
the detailed content for Part 2 and Part 3 of the delineation phase respondent guide is not
repeated within this verification phase material. Participants must refer to both the 2020
Census PSAP Standard Respondent Guide (G-730) from the delineation phase and to the
instructions provided in this part of the verification phase respondent guide to make
corrections. They should also review the training materials from both delineation and
verification phases.
IMPORTANT:

If no corrections were identified during the review of the 2020 statistical areas
described in Part 1, skip to Chapter 7. Participation in 2020 Census PSAP concludes after
sending an email to the Census Bureau indicating approval of the 2020 statistical areas
as they exist in TIGERweb.

As a reminder for participants with corrections, the statistical areas modified during the
verification phase must still meet the criteria and guidelines set forth during the delineation
phase. Refer to the individual statistical geography chapters (e.g., Chapters 2 – 4), shown in
Figure 2, and Appendix B within the 2020 Census PSAP Standard Respondent Guide (G-730) or
to the Federal Register notice section on the PSAP website to ensure corrections made to the
2020 statistical areas follow the established criteria, guidelines and requirements.

Figure 2: Individual Statistical Geography Chapters in the G-730 Table of Contents

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CHAPTER 5

USING GUPS TO CORRECT 2020 STATISTICAL AREAS

This chapter provides instructions for updating GUPS in support of the verification phase and
provides a refresher on getting started with GUPS by opening a new project for PSAP
Verification. It introduces modifications to GUPS created to support the verification phase and
reinforces the importance of using the proper, existing GUPS tools for making corrections to the
2020 statistical areas. It concludes with a section that includes the instructions for creating the
verification phase .zip file for submission.
IMPORTANT:

5.1

Numerous details exist in the delineation phase materials, both the 2020 Census PSAP
Standard Respondent Guide (G-730) and the training webinar recording, that do not
repeat in the verification phase material. For this reason, the delineation phase
materials are the primary source of information to implement verification phase
corrections.

Updating GUPS

Participants with corrections to the 2020 statistical areas must update their version of GUPS
from the delineation phase. In addition to new tools and functionality within GUPS, the newer
version is programmed to run on the QGIS 3 Madeira platform rather than on QGIS 2 Las
Palmas platform. The Census Bureau bundled the update for GUPS and QGIS into a single .zip
file available for download from the PSAP website. No software installation DVDs are
distributed for the verification phase.
IMPORTANT:

Participants must download and install the newer version of software to make
corrections to the 2020 statistical areas during the verification phase.

The local computer to install the newer version of GUPS and to use for the submission of
corrections (by using the Secure Web Incoming Module (SWIM) needs the minimum
requirements listed below in Table 6. The Census Bureau recommends installing the newer
version of GUPS on the same local computer(s) used for the delineation phase.

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Table 6: Requirements for Hardware, Operating Systems, and Internet Browsers
Hardware
Disk Space Needed to Run
GUPS:
4 GB
Disk Space Needed to Store
Shapefiles:
Shapefile sizes vary. To view the
size of your shapefiles, select a
file/ folder, right-click, and
choose Properties in the dropdown menu. The Files
Properties box opens and
displays the file/folder sizes.
Select multiple files/folders in
the list to view their properties
via the same method.
RAM:


4 GB minimum; 8 GB or
more recommended for
optimal performance.

Operating System
Windows®:
To run GUPS, Windows users need one of
the following Windows operating systems:




Windows 7®
Windows 8®
Windows 10®

Apple®:

Supported Browsers
Minimum Browser Versions to Use the
Secure Web Incoming Module (SWIM):
SWIM supports the two most recent
versions of each of the major internet
browsers:
 Internet Explorer®
 Google Chrome®
 Mozilla Firefox®
 Apple Safari®

Mac OS X® users must secure a license for
Microsoft Windows and use a Windows
bridge. The suggested bridge software is
Boot Camp®, which comes pre-installed on
all Mac computers. Find instructions for
using Boot Camp at:
. Some Apple iOS® users may
want to use Red Hat software. Locate
instructions at:
.
IMPORTANT: Since Boot Camp requires a
restart of the computer to set up the bridge,
be sure to print the instructions provided at
the URL above before beginning installation.

Depending on the version of Windows or Operating System on the local computer used for
PSAP, the GUPS dialog boxes shown throughout this document may have a different
appearance than the screenshots contained in the respondent guide, although the content is
essentially the same.

5.1.1

Downloading and Installing GUPS and QGIS

Table 7 provides the steps to download and install the newer version of GUPS and GQIS
necessary to support verification phase corrections.
Note:

U.S. Census Bureau

Administrator privileges are likely necessary to install GUPS. Check with the local system
administrator for instructions on installing an external software to the local computer
prior to contacting the Census Bureau for assistance.

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Table 7: Downloading and Installing the Newer Version of GUPS and QGIS
Step

Action and Result
Open a new internet browser window and navigate to the PSAP website
. The PSAP
main page appears.

Step 1

Step 2

Scroll down the page to the 2020 Census PSAP Verification Materials section to locate the
Download the GUPS link. Click the link to download the file. Use Save As rather than Save to
choose a specific folder on the local computer to download the file.

Step 3

Navigate to the folder on the local computer where the downloaded .zip file resides. Doubleclick the .zip file to unzip and extract its contents.

Step 4

From the folder where the .zip file was extracted, double-click the SETUP-.bat file to
start installation. Regardless of the version number of the file, there will be only one SETUP .bat
file to choose.
The Welcome to QGIS screen appears that allows a participant to import their previous settings
from QGIS 2 or starting clean. Choose Start Clean and click Let’s get started to proceed. Note, if
a new version of GUPS that uses QGIS 3 is already installed from your work with other census
programs, this window may not appear.

Step 5

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Step

Action and Result
When the installer opens, the Welcome to the QGIS 3.4.4 ‘Madeira’ Setup Wizard screen
appears.

Step 6

Note: The version needed for the verification phase is QGIS 3.4.4 Madeira. If the exact same
version of QGIS exists on the computer, an instruction to uninstall and reinstall may appear.
Participants may retain other versions of QGIS that may be in use for other programs (e.g., QGIS
2 Las Palmas version used for the delineation phase), but we suggest to reinstall if the same
version exists on the computer to ensure installation of the latest update.
Before proceeding with installation, close all other programs or applications. Once other
programs and applications are closed, click the Next button.
The License Agreement screen appears. Read the License Agreement and click the I Agree
button to continue.

Step 7

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Step

Action and Result
The Choose Install Location screen opens. For performance and stability, the Census Bureau
recommends installation to the default directory even though the Browse button allows for
changing of the installation directory. Click Next to continue with installation.

Step 8

The Choose Components screen opens.

Step 9

‘QGIS’ in the Select components to install field is checked and grayed out since it is the
default. Simply click Install to continue.
To review a previous screen or reread the license agreement, click the Back button (each screen
contains this button). This returns the screen to the previous page.

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Step

Action and Result
The software takes between five and 10 minutes to install. When it finishes installation, the
Completing the QGIS 3.4.4 ‘Madeira’ Setup Wizard screen opens. Click the Finish button to
finish the QGIS update and launch the GUPS update.

Step 10

The GUPS Install Setup: Completed screen opens showing the status of the installation of GUPS.
To complete the installation, click the Close button.

Step 11

Use QGIS Desktop 3.4.4 for the verification phase work. Disregard the other software installed
as part of the process. Once the application installs, QGIS 3.4 is added to the Start Menu, All
Programs list and a QGIS 3.4 icon is created on the desktop.

Step 12

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After successfully updating GUPS and QGIS for use in the verification phase, participants are
ready to begin their work to correct the 2020 statistical areas. Proceed to the next section for
more instructions on opening GUPS and starting a new project.

5.2

Opening GUPS and Starting a New Project

Because no DVDs are distributed for the verification phase, participants with corrections must
use the Census Web option in GUPS to download the shapefiles directly into GUPS. To open the
GUPS using Census Web follow the steps in Table 8 below.
IMPORTANT:

GUPS needs at least 4 gigabytes of free space on the hard drive to begin.

To practice using GUPS without committing the corrections, simply exit GUPS without saving.
Before GUPS closes, it will give the option to save or discard the changes. Participants can
reopen saved projects and continue working later.
Table 8: Getting Started with GUPS using Census Web
Step

Action and Result
Select QGIS Desktop 3.4.4 from the All Programs list in the Start Menu, shown in Step 12 of the
previous table or from the QGIS 3.4 desktop icon. The QGIS splash screen appears.

Step 1

Note: Depending on the age of the computer and amount of RAM, the application may require a
few moments to load and open.

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Step

Action and Result
The Map Management window appears.

Step 2

Use the drop-down menu next to the Program field to select Participant Statistical Areas
Program Verification.
Select County Based User for the User Type, the state of the county for the State, and the
county in which to make the corrections for the Working County. Notice the use of the FIPS
codes in the State and Working County field.

Step 3

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Step

Action and Result
Do not select adjacent counties, shown in the window beneath the Working County, unless they
assist with providing a reference for corrections. As with the delineation phase, participants
complete their verification corrections county-by-county.
Choose Census Web from the Select Data Folder, Directory or Location window to download
the data directly into GUPS.

Step 4

When the data loads, the Table of Contents populates and symbolizes according to preset styles.
The Map View fills with the working county. The Menu and Toolbars appear along the top and
the Status Bar appears at the bottom of the screen. The QGIS 3.4.4 Madeira and PSAPV are
displayed at the very top of the GUPS screen, confirming use of the newer QGIS and selection of
the verification phase (e.g., PSAPV).

Step 5

Step 6

U.S. Census Bureau

To save a project, use the Save button on the Standard toolbar or locate the Save option
beneath the Project tab along the Menu bar.

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Step

Action and Result
To open a previously saved project, in the Map Management window, click the drop-down
arrow next to the Open Recent button. The drop-down menu opens with a list of current
projects.

Step 7

Multiple project files, for multiple programs, may appear, as shown above. In the example
above, three separate projects exist on the same computer (PSAPV20, PSAP20, and NC20). To
identify which of the entries in the list represents a particular project, look at folder name that
follows “/gupsdata” to identify the project (e.g., PSAPV20, PSAP20, or NC20). Notice the PSAP
GUPS projects use the entity identification coding mentioned in Section A.
To add the delineation phase submission layers into the verification phase project for reference
in making corrections, refer to Appendix C.

Step 8

With the project loaded, participants are ready to begin making corrections. Continue to refer
to the delineation phase respondent guide for detailed instructions. To begin making updates,
use the Modify Area Feature tool within GUPS to select the geography to correct. Use the
information gained from the TIGERweb review of statistical areas, or from the review of the
Online PDF maps, to select the corresponding geography from the list that appears in the
Modify Area Feature window. Because some corrections cascade to underlying geographies,
perform the updates in the same order as conducted during the delineation phase: census
tract, block group, CDP, and then CCD.
Refer to Chapter 9 of the 2020 Census PSAP Standard Respondent Guide (G-730) for instructions
on updating each of the four statistical area types. Refer specifically to Table 66 to confirm a
linear feature is an acceptable statistical area boundary prior to making the boundary
correction.

5.3

Introducing GUPS Modifications for the Verification Phase

Recall from the delineation phase, as participants selected the Modify Area Feature button to
start editing, they were given the choice, through the Select Editable Layer window, to begin
their edits from the 2020 proposed plan or from the 2010 geographies. For the verification
phase this choice is no longer in scope because the 2020 statistical areas are incorporated into
the version of shapefiles that will load directly from the Census Bureau’s website into GUPS and
the 2010 geography is preloaded for reference purposes only. The Select Editable Layer
window will not appear when using the Modify Area Feature button.

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New for the verification phase is a pop-up window, shown in Figure 3, which appears after a
county downloads when a participant selects any of the tools to start reviewing the statistical
areas. It contains a message about the purpose of the verification phase, verification of
statistical areas, not another delineation opportunity.

Figure 3: GUPS Information Window

All previously programmed tools and functionality remain in this version of GUPS for the
verification phase.

5.4

Reinforcing GUPS Tools for the Verification Phase

Use the List of Tables and List of Figures within the Table of Contents of the 2020 Census PSAP
Standard Respondent Guide (G-730) to help locate the specific table or figure that may assist
with completing the corrective action during the verification phase. Most instructions exist in
Chapter 8. At a minimum, review of the following tables within the G-730:


Table 12 for a refresher of the Menu bar tabs and functions.



Table 14 for a refresher of the Standard toolbar buttons, names and their function (or
description).



Table 17 for a refresher of the PSAP toolbar buttons, names and their function (or description).

The Table of Contents within GUPS for the verification phase includes the same type of layers as
provided during delineation. The edges layer is mapped to display the types of features (roads,
linear water, and all others) as well as whether or not those features are acceptable,
questionable, or not acceptable for use as a statistical area boundary. Other layers included for
reference are the point landmark, minor civil division, incorporated place, various American
Indian layers, water, and the county boundary. Layers that are not applicable are grayed-out.
The 2010 statistical geographies are also included as a grouping. The layers where corrections
may occur include the curtracts, blockgroups, cdp, and ccd. Those layers have preset symbology
to assist with visualizing whether they are valid geographies that meet established thresholds.
See Figure 4 for a visual of the Table of Contents for a GUPS verification phase project.

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Figure 4: Example of GUPS Table of Contents with Layers

5.4.1

Clarifying Use of the Boundary Change Tools

During processing of delineation phase submissions, the Census Bureau uncovered situations
where participants misused GUPS tools and functionality. The most common misuse involved
boundary modifications. Instead of using the instructions for performing boundary changes,
participants used the merge and split instructions to modify boundaries. Though the boundary
modification was seemingly successful, the means by which a participant generated the
modification introduced numerous issues with coding, recoding, and suffixing that complicated
the processing of participant submissions.
Since the focus of the verification phase is on correcting the 2020 statistical areas that do not
align with participant expectations or that may have been misprocessed, participants should
use the boundary change tools to correct the 2020 statistical areas, and not the merge or split
tools within GUPS. While the merge and split tools remain available for use, please consider the
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type of correction that needs to occur and choose the tool that best fits that task. If you have
any questions regarding which GUPS tool should be used to make your corrections, contact the
Census Bureau by phone at 1-844-788-4921. A member of our technical support group can
assist you with your GUPS functionality questions.
Figure 5 highlights the specific boundary change sections for census tracts and block groups in
the 2020 Census PSAP Standard Respondent Guide (G-730).

Figure 5: Census Tract and Block Group Boundary Change Sections in the G-730 Table of Contents

Figure 6 highlights the corresponding boundary change sections in the 2020 Census PSAP
Standard Respondent Guide (G-730) that apply for CDPs and CCDs.

Figure 6: CDP and CCD Boundary Change Sections in the G-730 Table of Contents

5.4.2

Clarifying Use of the Undo Button

Another action to reinforce and clarify from the delineation phase involves the use of the Undo
button. The description of the Undo button is included within Table 17 of the 2020 Census PSAP
Standard Respondent Guide (G-730). For an example, a participant split a census tract that was
over threshold, but one of the resulting census tracts ended up below threshold. Instead of
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using the Undo button to cancel the split action and restore the census tract’s original
boundary or instead of supplying a justification that supports the split, the participant
proceeded to merge the newly suffixed tract with another nearby statistical area, producing an
errant census tract coding sequence and redrawing the outer census tract boundary. Neither of
which is permissible during 2020 Census PSAP. Please use the Undo button rather than merging
or splitting a statistical area back to its original boundary.

5.4.3

Reinforcing the Use of Imagery

Should corrections be necessary, use of imagery is strongly recommended. To make spatially
accurate boundary corrections, enable imagery from the PSAP toolbar by selecting the Add
Imagery button. Adding imagery allows participants to visualize the features and alignment of
boundaries prior to making corrections. The description of the Add Imagery button is included
within Table 17 of the 2020 Census PSAP Standard Respondent Guide (G-730).
Note:

5.5

Uncheck (i.e., turn-off) the imagery layer from the Table of Contents to prevent GUPS
issues that may occur when re-opening the PSAP verification phase project.

Exporting a File for Submission

Upon completion of all statistical area corrections, execute the three validation tools to help
review and validate the corrections made to the 2020 statistical areas. Run the PSAP Criteria
Review tool first, then the Review Change Polygons tool, and finish with the Geography
Review tool. Refer to Chapter 10 of the 2020 Census PSAP Standard Respondent Guide (G-730)
for instructions on the use of the three validation tools. The Export to Zip tool executes these
tools if a participant overlooks them.
Upon clicking the Export to Zip button, two options for exporting within GUPS remain in the
verification phase: Export for Census or Share with Another Participant. To export the
corrected statistical areas for submission to the Census Bureau, select the first choice, Export
for Census as shown below in Figure 7.

Figure 7: Select Output Type Window - Export for Census

IMPORTANT:

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Do not submit a partial submission (i.e., just census tracts if corrections are still
underway for block groups or CDPs or CCDs). Ensure all of the work is complete prior to
executing this tool.

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Table 60 in the 2020 Census PSAP Standard Respondent Guide (G-730) describes the export
process. The only difference for the verification phase is the directory path and file name. See
Figure 8 for an example of the Export to Zip window that includes the verification phase
directory and file information. Be sure to make note of the directory path and file name.

Figure 8: Export to Zip Window for Verification Phase

With the file exported, proceed to the next part of this verification guide for instructions on
submitting the .zip file to the Census Bureau.

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PART 3

SUBMITTING CORRECTIONS TO THE 2020
STATISTICAL AREAS

This part of the respondent guide provides a refresher for using the Secure Web Incoming
Module (SWIM) to submit the corrected 2020 statistical areas. The 2020 Census PSAP Standard
Respondent Guide (G-730) devoted an entire chapter, Chapter 11, to the SWIM topic providing
background, requirements, and an example of using SWIM to submit the PSAP delineation
phase materials. The instructions in Table 9 update the Chapter 11 example to show the
pertinent information for the verification phase.
Please submit all corrections to the 2020 statistical areas, by county, within 90 calendar days of
receiving the verification announcement. The Census Bureau cannot provide extensions to this
90 calendar day review period. The Census Bureau will review all submissions to ensure they
meet the established 2020 Census PSAP criteria and will contact participants if there are
questions regarding the submission(s).

CHAPTER 6

USING THE SECURE WEB INCOMING MODULE (SWIM)
FOR PSAP VERIFICATION

See Table 9 for an example of using SWIM to submit corrections to a county-based 2020
statistical area corrections.
Table 9: SWIM Example
Step

Action and Result
Open a new internet browser window and enter the SWIM URL
. The Secure Web Incoming Module Please Login screen
opens.

Step 1

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Step

Action and Result
Refer to Section 11.1 the 2020 Census PSAP Standard Respondent Guide (G-730) for details on
how to determine if an account exists and the SWIM requirements for accounts, passwords, and
files submitted using SWIM.
Note: We suspect that most participants will have an existing SWIM account since delineation
phase materials were submitted through SWIM. For participants without an existing SWIM
account, please contact the Census Bureau to receive a 12-digit registration token for account
registration.
Enter the email address and password, then click the Login button. The Welcome screen opens
and previously posted files appear along with the date and status of the upload.

Step 2

Click the Start New Upload button.
The “What Census program are you reporting data for?” screen appears.

Step 3

Choose Participant Statistical Areas Program (PSAP) and then click the Next button.
Note: Unlike with GUPS, there is not a specific program choice for PSAP Verification. The
verification phase is part of PSAP, so there was no need to add another program choice in SWIM
for the submission of verification phase corrections.

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Step

Action and Result
The “What type of geography are you reporting statistical areas for?” screen appears with two
choices: County and Tribal Area.

Step 4

Choose County and then click the Next button.
The Select a State and County screen appears.

Step 5

Choose the appropriate state and county name and then click the Next button.
The Select a .ZIP file to upload screen appears. Click the +Add File button.

Step 6

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Step

Action and Result
The Choose File to Upload window opens for use in navigating to the location of the
exported .zip file generated by using the Export to Zip button in GUPS. Click the Open button.

Step 7

Notice the Status is set to Success and the file name appears beneath the File(s) section. Add
optional comments that may assist the Census Bureau with processing of the submission and
click Next.

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Step

Action and Result
The Thank You screen appears. It thanks the participant and indicates a forthcoming email once
the transfer completes.

Step 8

In the last sentence on the Thank You screen, choose upload form to return to the Welcome
screen and begin the upload process for another county or choose Log Out.

CHAPTER 7

NEXT STEPS FOR THE 2020 CENSUS PSAP

Congratulations on the completion of your review of the 2020 statistical areas and of your
corrections, if applicable. Your participation in the 2020 Census PSAP concluded with either the
email stating no changes were forthcoming or with the submission of verification phase
corrections in the county based .zip file(s) from GUPS. Thank you for participating in this
program to prepare useful statistical areas for the 2020 Census. Knowledge provided by PSAP
participants is invaluable.
The Census Bureau will process the corrections and finalize the 2020 statistical areas for use in
tabulating census data for the next decade. The final data will be made available to the public
on the Census Bureau website beginning in November 2020 through February 2021.

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APPENDICES

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APPENDIX A

USING TIGERWEB TO COMPARE 2020 STATISTICAL
AREAS TO 2010 STATISTICAL AREAS

For participants that completed their delineation phase work from the 2010 statistical areas
instead of from the 2020 proposed plan, using the TIGERweb Compare tool to visualize the
changes between the 2020 statistical areas and the 2010 statistical areas may help with
locating statistical areas that have changed significantly. Table 10 presents the steps for
comparing the two vintages.
IMPORTANT:

While conducting a comparison between 2020 and 2010 statistical areas is possible
using this tool, a participant’s focus should remain on whether the existing 2020
statistical areas work for the tabulation and distribution of statistical data and whether
any attribute errors exist.
Table 10: Comparing 2020 and 2010 Statistical Areas in TIGERweb

Step

Step 1

Action and Result
To compare the Current vintage to the 2010 Census vintage, launch the TIGERweb online
application from the TIGERweb website:
.
Using the instructions presented in Section 2.1, zoom manually or through a query to the area of
interest for comparison.

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Step

Action and Result
Click the Compare button along the upper right of the TIGERweb window.

The Compare window appears.

Step 2

While this comparison does not compare what was submitted during the delineation phase, it
does allow for visual comparison between the current 2020 statistical areas and the 2010
statistical areas which may help identify statistical areas splits or merges that occurred as a
result of delineation phase processing.

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Step

Action and Result
Select the Vintage to compare (e.g., Census 2010), Select the Map to compare with the current
(e.g., Census Tracts and Blocks), and Select the Layer (e.g., Census Tracts) and click COMPARE.

Step 3

A light gray, vertical slide bar appears on-screen with the Current vintage displayed on the left
and the Census 2010 vintage on the right. Click the bar to move it left or right and reveal the
change of boundaries between the vintages. Large changes are easily viewed on-screen, but
smaller modifications to the boundaries are more difficult to see.

Step 4

Note: This example does not depict any boundary differences, but does show the light-gray,
vertical slide bar mid-screen and the red label for “Current” and “Census 2010” at the bottom of
the screen.

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Step

Step 5

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Action and Result
Changing the Select Map… choice to Places and County Subdivisions and then selecting either
the County Subdivisions or Census Designated Places as the Layer allows for a vintage
comparison of the CCDs and CDPs, respectively. Repeat the same steps listed above to compare
the CCDs and CDPs.

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APPENDIX B

CHANGING THE MAP BACKGROUND WITHIN THE
TIGERWEB ONLINE MAP VIEWER

The TIGERweb online map viewer has three choices for the map background it displays:
Landmass, Satellite, and Terrain. These three choices are housed within the Topography button
which is in the upper right corner of the map display, beneath the five tool buttons. The
Topography button is also known as the Base Map Selector in the TIGERweb User Guide. See
Figure 9 for a visual of the button and its location within the TIGERweb online map viewer.

Figure 9: TIGERweb Topography Button

The default selection is Landmass. To switch displays, continue to click the Topography button,
observing the instruction while hovering the mouse over the button. The hover message
informs the user of the current display and what the display will be upon switching to the next
choice. See Figure 10 for a visual that illustrates changing between base map background
choices and how the hover messages compare to what is on-screen. In the example below,
though the image on the left shows the Topography button indicating the graphic for the
Satellite selection, the hover message indicates the current selection is Landmass. The satellite
imagery does not display until clicking the button again to change the display to Terrain. Terrain
would not display until clicking the button back to Landmass.

Figure 10: Topography Button with All Base Map Choices

Use of satellite imagery and terrain base map backgrounds help to identify and visualize the
features that the 2020 statistical area boundaries follow and may provide valuable insight to
understanding if corrections need to be made.
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APPENDIX C

ADDING A DELINEATION PHASE SUBMISSION TO A
VERIFICATION PHASE PROJECT

Participants may add their delineation phase submission files into their verification phase GUPS
project. Doing so provides a visible reference for use during interactive GUPS work to correct
the discrepant statistical area boundaries.
IMPORTANT:

While having the delineation files available for reference during verification is nice, the
Census Bureau strongly encourages participants to focus on the current 2020 statistical
areas and whether they work for the tabulation and distribution of statistical data.

Refer to Section 8.3 and Table 28 within the 2020 Census PSAP Standard Respondent Guide (G730) for detailed instructions on the proper use of the Add Vector Layer button and for
changing layer symbolization or call the Census Bureau at 1-844-788-4921 for assistance. As a
high level summary for adding the delineation submission shapefiles into the verification phase
project, follow these steps:


Navigate to the directory location of the delineation phase .zip file
(i.e., PSAP20__return.zip). As noted previously in the document, the
corresponds to the five-digit, state county FIPS code for your county(s). The default directory
was likely C:\GUPSGIS\gupsdata\PSAP20\output, but you may have copied the file to another
directory for storage reasons or to archive it for safe-keeping.



Unzip the delineation phase submission .zip file.



Utilize the Add Vector Layer button within the Manage Layers toolbar, as highlighted below in
Figure 11, to add in the “complete” shapefiles for the statistical areas (e.g., blockgroups, ccd,
cdp, and curtracts). Participants may wish to add in the “changes” shapefiles that show only the
polygons for the statistical area layers that were changed during delineation. Adding in the
“changes” shapefiles do not provide a complete visual of the delineation phase submission, but
they may be useful as a reference to identify the specific areas changed during delineation.
Note: Ensure layers being added use the NAD83 coordinate system. Do not add layers into GUPS
in coordinate systems other than NAD83.

Figure 11: GUPS - Manage Layers toolbar - Add Vector Layer button



Change the symbolization of the added shapefiles to view them properly within the verification
phase project. Depending on where the added shapefiles appear in the Table of Contents,
symbolization changes can occur to the outline, pattern, transparency, color, layer order, etc.

With updated symbology and the ability to turn on/off layers, participants can visualize the
differences between the delineation and verification phase statistical area boundaries to assist
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with making corrections during the verification phase. Refer to Sections 9.3, 9.4, 9.5, and 9.6 of
the 2020 Census PSAP Standard Respondent Guide (G-730) for instructions on making census
tract, block group, CDP, and CCD boundary corrections, respectively.

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APPENDIX D

CORRECTING CENSUS TRACT CODING

Whether an errant census tract code is discovered using TIGERweb or using the Online PDF
maps use the instructions below in Table 11 to correct the census tract coding using GUPS.
Table 11: Using GUPS to Correct Census Tract Coding
Step
Step 1

Action and Result
With the verification project opened within GUPS, open the Modify Area Feature tool and set
the Geography to Census Tract.
Scroll through the list of census tracts, shown in the Info section of the Modify Area Feature tool
and select the census tract to correct. In the example below, census tract 169.04 is selected.

Step 2

Note: This example is for illustrative purposes only.

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Step

Action and Result
With the census tract selected, click the Change Attributes button to open a secondary Modify
Area Feature window that allows participants to edit the census tract code field, TRACTCE.

Step 3

Step 4

Using local knowledge, correct the census tract code. Refer to Section 2.2 in the 2020 Census
PSAP Standard Respondent Guide (G-730) for details on proper census tract coding.

Step 5

Save the project after performing a census tract coding change.

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