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U.S. PLACE PROFILE

Foster City, CA

Foster City is a City in San Mateo County, California. The loaded 2025 population estimate is 32,411.

Published locationCalifornia
Population estimate32,4112025 loaded Census estimate
CountySan Mateo CountyPrimary loaded county
Place typeCityCensus place classification
Coordinates37.56482, -122.25078Census representative point

EXPLORE FROM FOSTER CITY

Distance and nearby-place tools

Only tools with enough qualifying stored data are linked below.

Cities & places nearby80 stored nearby results→Within 25 milesStraight-line radius→Within 50 milesStraight-line radius→Within 100 milesStraight-line radius→

Closest published places

Nearest qualifying Census places by straight-line distance.

See all nearby places →
San Mateo, CA3.3 miles · W→Redwood City, CA4.0 miles · SE→Belmont, CA4.2 miles · SW→San Carlos, CA4.6 miles · S→
Hillsborough, CA5.9 miles · W
Burlingame, CA6.4 miles · W→

County coverage

Some incorporated places cross county lines. These county-part values come from the loaded Census county-place-part population layer.

County2025 population in this place part
San Mateo County32,411

DATA COVERAGE

What is available for Foster City

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.

Open source file ↗Census GEOID 0625338Record verified 2026-09-26 07:05:50