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Geography Program

Geography Program

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Within Geography Program

About this Program
Events
Geography Data
Geography Partnership Programs
Guidance for Geography Users
Technical Documentation
Contact Us

Geography Program

Geography is central to the work of the Census Bureau, providing the framework for survey design, sample selection, data collection, tabulation, and dissemination. Geography provides meaning and context to statistical data.

Geographic Support Program (GSP) Strategic Plan [8.1 MB]

This GSP Strategic Plan provides a roadmap of activities and priorities for its execution for fiscal years 2022 – 2026.

Geographic Support Program (GSP) Address Maintenance Strategy [18.4 MB]

The GSP Address Maintenance Strategy provides an overview of how the GSP is maintaining and enhancing addresses and their locations in the Master Address File/Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) System using proven techniques combined with innovative cutting-edge methods.

Featured

Census Geocoder

The Census Geocoder geocodes addresses within the United States, Puerto Rico, and the U.S. Island Areas.

Mapping File

TIGER/Line Shapefiles

View all the available mapping files from the Geography program.
Reference File

Address Count Listing Files and Related Map Viewers

View the Address Count Listing Files from the Geography program.
Thematic Map

TIGERweb

TIGERweb system visualizes Topologically Integrated Geographic Encoding and Referencing (TIGER) data, including legal and statistical boundaries and features.
Interactive Maps

Work with interactive mapping tools from across the Census Bureau.

Mapping Files

Mapping File

TIGER/Line Shapefiles

View all the available mapping files from the Geography program.
Mapping File

Cartographic Boundary Files

View the newest available cartographic boundary files in shapefiles, geodatabase, and Keyhole Markup Language (KML) formats.
Mapping File

TIGER/Line Geodatabases

View the available TIGER/Line geodatabases from the Geography program.

Reference Maps

Reference Map

119th Congressional District Wall Maps

January 2025

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

2026 BAS Maps

January 2025

The 2026 BAS maps display legal boundaries and names as reported through the 2025 BAS.

Reference Files

Reference File

Address Count Listing Files and Related Map Viewers

View the Address Count Listing Files from the Geography program.
Reference File

Geographic Reference Files

View all the available Geographic Reference Files (GRFs) from the Geography program.
Reference File

Relationship Files

View all the available relationship files from the Geography program.
Reference File

Tallies

View the available tallies from the Geography program.

America Counts: Stories

America Counts Story

Rental Costs Up, Mortgages Stayed Flat

January 29, 2026

Newly Released American Community Survey compares 2020-2024 and 2015-2019 housing costs by county.
America Counts Story

Share of Owner-Occupied, Mortgage-Free Homes Up in 2024

January 29, 2026

The share of U.S. homeowners without a mortgage was higher in 2024 than a decade earlier nationwide and in every state, though not all counties saw increases.

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Page Last Revised - February 19, 2026

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