Demographics & People — Belmont, California
Population Overview
| Population (Census) | 27,505 |
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| Estimated 2026 | ~26,900 |
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| Median Age | 39.8 |
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| Total Households | 10,528 |
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| Family Households | 7,299 |
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| Average Household Size | 2.54 |
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| Diversity Index | 0.6077 (highly diverse) |
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Race & Ethnicity
| White | 13,940 |
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| Black or African American | 589 |
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| Asian | 8,104 |
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| Hispanic or Latino | 3,851 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 12,622 |
| Unclassified or not reported | 5,024 |
| Hispanic: Hispanic or Latino | 3,849 |
| German | 2,585 |
| Irish | 2,267 |
| English | 1,958 |
| Italian | 1,794 |
| Hispanic: Mexican | 1,662 |
| Hispanic: Central American | 1,077 |
| French (except Basque) | 936 |
Language
| English Only | 16,325 |
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| Spanish | 2,387 |
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| Population 5+ | 26,094 |
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Veterans
| Veterans | 682 |
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| Population 18+ | 21,431 |
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Commuting
| Mean Commute Time | 28.5 minutes |
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| Work from Home | 33.7% |
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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 Belmont, California.
