County
· California
San Mateo County
San Mateo County, officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020 United States census, the population was 764,442. Redwood City is the county seat, the third-most populated city in the county after Daly City and San Mateo.
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Cities and towns 20
- City of Belmont pop. 27,225
- City of Brisbane pop. 4,668
- City of Burlingame pop. 30,106
- City of Daly City pop. 101,243
- City of East Palo Alto pop. 28,847
- City of Foster City pop. 32,517
- City of Half Moon Bay pop. 11,363
- City of Menlo Park pop. 32,475
- City of Millbrae pop. 22,277
- City of Pacifica pop. 37,099
- City of Redwood pop. 81,643
- City of San Bruno pop. 42,275
- City of San Carlos pop. 30,034
- City of San Mateo pop. 102,200
- City of South San Francisco pop. 64,251
- Town of Atherton pop. 6,915
- Town of Colma pop. 1,577
- Town of Hillsborough pop. 11,016
- Town of Portola Valley pop. 4,289
- Town of Woodside pop. 5,131
Reference data (Census of Governments 2022)
- Census ID (PID6)
- 123088
- FIPS state
- 06
- FIPS county
- 081
- FIPS place
- 99081
- Census record name
- COUNTY OF SAN MATEO
- Mailing address
- 400 COUNTY CTR, REDWOOD CITY 94063