U.S. PLACE PROFILE
San Carlos, CA
San Carlos is a City in San Mateo County, California. The loaded 2025 population estimate is 29,261.
Published locationCalifornia
Population estimate29,2612025 loaded Census estimate
CountySan Mateo CountyPrimary loaded county
Place typeCityCensus place classification
Coordinates37.49903, -122.26757Census representative point
EXPLORE FROM SAN CARLOS
Distance and nearby-place tools
Only tools with enough qualifying stored data are linked below.
Closest published places
Nearest qualifying Census places by straight-line distance.
Belmont, CA1.8 miles · NW→Redwood City, CA3.2 miles · E→Foster City, CA4.6 miles · N→
Atherton, CA4.7 miles · SE
San Mateo, CA4.8 miles · NW→Woodside, CA5.3 miles · S
County coverage
Some incorporated places cross county lines. These county-part values come from the loaded Census county-place-part population layer.
| County | 2025 population in this place part |
|---|---|
| San Mateo County | 29,261 |
DATA COVERAGE
What is available for San Carlos
Geographic identityNearby placesPopulation estimate100-mile radius25-mile radius50-mile radius
PRIMARY GEOGRAPHIC SOURCE
U.S. Census Bureau
Place identity, coordinates and geographic identifiers are tied to the loaded Census source record for this location.