Demographics & People — Foster City, California
Population Overview
| Population (Census) | 32,964 |
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| Estimated 2026 | ~32,400 |
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| Median Age | 39.5 |
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| Total Households | 12,865 |
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| Family Households | 8,873 |
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| Average Household Size | 2.54 |
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| Diversity Index | 0.5536 (moderately diverse) |
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Race & Ethnicity
| White | 10,865 |
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| Black or African American | 504 |
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| Asian | 17,776 |
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| Hispanic or Latino | 2,224 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 20,221 |
| Unclassified or not reported | 4,449 |
| Hispanic: Hispanic or Latino | 2,460 |
| German | 1,633 |
| English | 1,541 |
| Irish | 1,400 |
| Hispanic: Mexican | 1,195 |
| Italian | 1,013 |
| Russian | 699 |
| Iranian | 627 |
Language
| English Only | 14,333 |
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| Spanish | 1,341 |
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| Population 5+ | 30,975 |
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Veterans
| Veterans | 728 |
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| Population 18+ | 25,694 |
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Commuting
| Mean Commute Time | 29.4 minutes |
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| Work from Home | 34.2% |
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| Commuter Profile | N/A |
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Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Foster City, California.
