Census geographic files
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Click on a tab below to access geographic data. Some of the data files are large and may require additional time to download.
Select 2020 Census geographic files derived from Census 2020 TIGER/Line files.
Select 2010 Census geographic files derived from Census 2010 TIGER/Line files. Includes select population and housing variables from the 2010 Census.
Select 2000 Census geographic files derived from Census 2010 TIGER/Line files. Includes select population and housing variables from the 2000 Census.
Reference information
- OFM's standard projection and datum for geospatial data layers is State Plane Washington South, North American Datum 1983 HARN in units of US feet (EPSG: 2927).
- Geographic codes for Washington
Geographic crosswalks
- Census tract relationship files: 1990-2000 | 2000-2010
- Congressional district (by county, city, city part, school district, and ZIP Code tabulation area): 2002 | 2012
- Legislative district (by county, city, city part, school district, and ZIP Code tabulation area): 2002 | 2012
- County (by census place and tract): 2010
GIS map products
- Census reference maps: 2000 | 2010 | 2020
- Federal statistical area maps (metropolitan statistical areas, micropolitan statistical areas, combined statistical areas, metropolitan divisions): October 2018
Last updated
Wednesday, January 31, 2024