Demographic data for San Mateo County's 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).

Boundaries of areas in San Mateo County based on water sources. Includes areas served and water suppliers.

Beaches, open spaces, and parks administered by San Mateo County.

Land use type boundaries in San Mateo County. Includes information on landuse density, landuse type, area, and narrative description. This data includes areas in the County's planning jurisdiction. Areas within city jurisdictions are excluded.

San Mateo County bus route network created from samTrans General Transit Feed Specification (GTFS) data

Parcels that are regulated under the Williamson Act. The purposes of the Land Conservation Act (Williamson Act) are to preserve the County’s prime soils and intensive high value agricultural operations, and to discourage premature and unnecessary conversion of agricultural land to urban use.

Caltrain station locations created from Caltrain General Transit Feed Specification (GTFS) data. This data includes points for both stations and stops.

Caltrain heavy rail network created from the Caltrain General Transit Feed Specification (GTFS) data

Locations of Bay Area Rapid Transit (BART) stations. Locations of station entrances can be found here: https://data.smcgov.org/Transportation/BART-Station-Entrances/e5hr-a4sk/