Geographic reference
San Mateo County, California
San Mateo County is a county or county-equivalent in California.
Reference details
- State
- California (CA)
- Census GEOID
- 06081
- Land area
- 1,161.875 km²
- Water area
- 757.209 km²
- Representative point
- 37.414685, -122.371495
View point on map ↗
Geographic facts: 2026 U.S. Census Gazetteer. Coordinates identify a representative point, not the full geographic boundary.