U.S. PLACE PROFILE
South San Francisco, CA
South San Francisco is a City in San Mateo County, California. The loaded 2025 population estimate is 64,941.
Published locationCalifornia
Population estimate64,9412025 loaded Census estimate
CountySan Mateo CountyPrimary loaded county
Place typeCityCensus place classification
Coordinates37.65510, -122.37623Census representative point
EXPLORE FROM SOUTH SAN FRANCISCO
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.
Brisbane, CA1.5 miles · N
San Bruno, CA3.6 miles · SW→Millbrae, CA4.1 miles · S
Colma, CA4.4 miles · W
Burlingame, CA4.6 miles · S→Daly City, CA5.8 miles · NW→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 | 64,941 |
DATA COVERAGE
What is available for South San Francisco
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.