This polygon shapefile depicts demographic data about about County of San Mateo, California residents by Census Tract. Includes population, race, Hispanic ethnicity, gender, age groups, household, family, and housing information. This data is from the 2010 United States Census Summary File 1 (SF1). There are no Census Tract boundaries included in this data. This layer is part of a collection of GIS data for San Mateo County, California. This coverage can be used for basic applications such as viewing, querying, and map output production, or to provide a basemap to support graphical overlays and analyses of geospatial data. County of San Mateo Information Services Department. (2010). Census Tracts: San Mateo County, California, 2010. San Mateo County. Available at: http://purl.stanford.edu/pk860rd5905 To see this data as a map, please see: https://data.smcgov.org/Government/Census-Tracts-2010-Map/hkd6-ee5j. The County of San Mateo cannot vouch for the data or analyses derived from these data. This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.