U.S. Department of Commerce

Mapping Files from the US Census Bureau


Looking to create your own map? The Census Bureau offers mapping files in three distinct products:

Which files should I use?
Product Best For... File Format Type of Data Level of Detail Descriptive Attributes
TIGER/Line Shapefiles Most mapping projects--this is our most comprehensive dataset. Designed for use with GIS (geographic information systems). Shapefiles (.shp) and database files (.dbf) Boundaries, roads, address information, water features, and more Full detail (not generalized) Extensive
Cartographic Boundary Files Small scale (limited detail) mapping projects clipped to shoreline. Designed for thematic mapping using GIS. Shapefiles (.shp) Selected boundaries Less detail (generalized) Limited
KML Prototype Files

Viewing data or creating maps using Google Earth, Google Maps, or other platforms that use KML. KML (.kml) Selected boundaries Less detail (generalized) Limited