Reference Maps

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Reference Maps

Reference maps show the boundaries and names of geographic areas for which the Census Bureau tabulates statistical data, but do not visualize the data.

In some cases, the name is only in the form of a geographic code, such as a census block number. Some types of reference maps show and identify geographic features that are part of the boundary. Examples are roads and water features.

Reference maps can include additional features such as railroads to aid users in orienting themselves to a place on the ma

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119th Congressional District Wall Maps

This wall map depicts congressional district boundaries in effect for the 119th Congress of the United States (January 2025-2027).

The 2025 BAS maps display legal boundaries and names as reported through the 2024 BAS.

SAHIE Reference Maps, 2022

View and download reference maps for the 2022 SAHIE Release Highlights

Metropolitan and Micropolitan Statistical Areas Map (July 2023)

Here you will find the reference map for the July 2023 Metropolitan and Metropolitan Statistical Areas (CBSAs)

Combined Statistical Areas Map (July 2023)

Here you will find the July 2023 reference map for the Combined Statistical Areas (CSAs).

The 2024 BAS maps display legal boundaries and names as reported through the 2023 BAS.

2020 Census Urban Areas Wall Map

Here is the 2020 Census Urban Areas Wall Map. (Updated August 2023)

118th Congressional District Wall Maps

This wall map depicts congressional district boundaries in effect for the 118th Congress of the United States (January 2023-2025).

The 2023 BAS maps display legal boundaries and names as reported through the 2022 BAS.

SAHIE Reference Maps, 2021

View and download reference maps for the 2021 SAHIE Release Highlights

2022 Economic Census Reference Map: All States

Interactive TIGERweb references maps from the 2022 Economic Census for all 50 states, D.C., and the Island Areas.

SAHIE Reference Maps, 2020

View and download reference maps for the 2020 SAHIE Release Highlights

The 2022 BAS maps display legal boundaries and names as reported through the 2021 BAS.

117th Congressional District Wall Maps

This wall map depicts congressional district boundaries in effect for the 117th Congress of the United States (January 2021-2023).

SAHIE Report Reference Maps, 2019

View and download reference maps for the 2019 SAHIE Report.

Combined Statistical Areas Map (March 2020)

Here you will find the March 2020 reference map for the Combined Statistical Areas (CSAs).

Metropolitan and Micropolitan Statistical Areas Map (March 2020)

Here you will find the reference map for the March 2020 Metropolitan and Metropolitan Statistical Areas (CBSAs)

2020 Census P.L. 94-171 Redistricting Data Map Suite

Here you will find the 2020 Census P.L. 94-171 Redistricting Data Map Suite

New England City and Town Areas Map (March 2020)

Here is the March 2020 New England City and Town Areas reference map.

2020 AIAN in the United States Wall Maps

Here are the 2020 American Indians and Alaska Natives in the United States Wall reference maps

2020 Census - Census Block Maps

Here are the 2020 Census - Census Block reference maps.

2020 Census Geographic Areas Reference Maps

View the available 2020 Census Geographic Areas Reference Maps.

2020 Census Public Use Microdata Area (PUMA) Reference Maps

Here are the 2020 Census Public Use Microdata Area (PUMA) reference maps.

2020 Counties and Statistically Equivalent Areas of the United States

Here are the 2020 Counties and Statistically Equivalent Areas reference maps.

SAHIE Report Reference Maps, 2018

View and download reference maps for the 2018 SAHIE Report.

116th Congressional District Wall Maps

This wall map depicts congressional district boundaries in effect for the 116th Congress of the United States (January 2019-2021).

SAHIE Report Reference Maps, 2017

View and download reference maps for the 2017 SAHIE Report.

Combined Statistical Areas Map (September 2018)

Here you will find the September 2018 reference map for the Combined Statistical Areas (CSAs).

Metropolitan and Micropolitan Statistical Areas Map (September 2018)

Here you will find the reference map for the September 2018 Metropolitan and Metropolitan Statistical Areas (CBSAs)

New England City and Town Areas Map (September 2018)

Here is the September 2018 New England City and Town Areas reference map.

2018 State Legislative District Reference Maps

The State Legislative District (SLD) Reference maps display the boundaries, names, and/or codes of State Legislative Districts.

115th Congressional District Wall Map

This wall map depicts congressional district boundaries in effect for the 115th Congress of the United States (January 2017-2019).

2017 Economic Census Reference Map: All States

Interactive TIGERweb references maps from the 2017 Economic Census for all 50 states, D.C., and the Island Areas.

2017 Metro and Micro Statistical Areas (CBSAs) of the U.S. and P.R.

Here you will find reference maps for the Metropolitan and Metropolitan Statistical Areas (CBSAs)

United States Section 203 Determinations Coverage eff. December 2016

Maps of Section 203 coverage from July 2002, October 2011, December 2016.

115th Congressional District Wall Map

This wall map depicts congressional district boundaries in effect for the 115th Congress of the United States (January 2017-2019).

Page Last Revised - June 5, 2025

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