Census Mapping Files

Census Mapping Files
Census Mapping Files
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Census Mapping Files
GIS mapping files contain geographical information, which are spatial data encoded into a file format. TIGER stands for the Topologically Integrated Geographic Encoding and Referencing system and represents the U.S. Census Bureau's geographic spatial data.
Examples include:
Shapefiles (Partnership, TIGER/Line, Cartographic Boundary),
KML (Google), and
File Geodatabase (ESRI) files.
We use Partnership Shapefiles in our partner programs to share data with and capture data from our partners.
TIGER/Line Shapefiles do not include demographic data, but they do contain geographic entity codes (GEOIDs) that can be linked to the Census Bureau’s demographic data, available on
Explore Census Data
KML is a file format used to display geographic data in a tool such as Google Earth or Google Maps. All cartographic boundary files are available in KML format starting in 2013.
Cartographic boundary files are specifically designed for small scale thematic mapping.
For help determining which product is right for you, please see the
TIGER Data Products Guide
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Mapping File
2026 BAS Partnership Shapefiles
Download the Census Bureau's 2026 BAS partnership shapefiles to review and update your boundaries.
Page Last Revised - September 26, 2025