• Address Search
  The easiest way to find tract and block numbers for a specific address.



• Bay Area Census Tracts (.xls)
  Listing of census tract numbers by county by city.



• Dynamic Tract/Block Outline Maps
  Allows searching by address, zip code or latitude and longitude.



• County Tract/Block Maps (pdf)
  Browse by county and use the index map (the first file - #000) to find the relevant detailed maps.



• City Tract/Block Maps (pdf)
  Browse by city and use the index map (the first file - #000) to find the relevant detailed maps.

• Population and race data by county by census tract (.xls) (165KB)

• Population and race data by block group (.csv) (949KB)

Comma separated files (.csv) can be used in any standard spreadsheet application.

GIS files

• Population and race data by block group (.shp) (2.12MB)

Shape files (.shp) are used in ESRI ArcView GIS software.

See Census 2000 Redistricting Data (PL94-171) Summary File (pdf) for technical documentation.

GIS files

• Alameda and Contra Costa Counties - README (.txt)
  • Total population by race and ethnicity (tables PL-1 and PL-2) (.shp) (1.07MB)
  • Total population over 18, by race and ethnicity (tables PL-3 and PL-4) (.shp) (1.01MB)


• Marin, Napa, Solano and Sonoma Counties
  • Total population by race and ethnicity (tables PL-1 and PL-2) (.shp) (696KB)
  • Total population over 18, by race and ethnicity (tables PL-3 and PL-4) (.shp) (665KB)


• San Francisco, San Mateo and Santa Clara Counties
  • Total population by race and ethnicity (tables PL-1 and PL-2) (.shp) (1.35MB)
  • Total population over 18, by race and ethnicity (tables PL-3 and PL-4) (.shp) (1.29MB)

• Population and race data by block (.shp) (14.3MB) and README (.txt)
  

• Census 2000 Block Relationship Files
  Provided by the U.S. Census Bureau to help users determine how 1990 blocks relate to 2000 blocks and vice versa.