Demographics & People — Castro Valley, California
Population Overview
| Population (Census) | 65,389 |
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| Estimated 2026 | ~64,100 |
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| Median Age | 42.9 |
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| Total Households | 22,242 |
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| Family Households | 16,802 |
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| Average Household Size | 2.89 |
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| Diversity Index | 0.6907 (highly diverse) |
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Race & Ethnicity
| White | 25,046 |
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| Black or African American | 5,706 |
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| Asian | 22,303 |
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| Hispanic or Latino | 11,534 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 34,094 |
| Hispanic: Hispanic or Latino | 11,175 |
| Unclassified or not reported | 9,930 |
| Hispanic: Mexican | 6,816 |
| German | 4,885 |
| Irish | 4,512 |
| English | 4,094 |
| Italian | 3,217 |
| Portuguese | 2,094 |
| Subsaharan African | 1,824 |
Language
| English Only | 36,308 |
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| Spanish | 5,894 |
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| Population 5+ | 62,114 |
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Veterans
| Veterans | 2,482 |
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| Population 18+ | 51,565 |
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Commuting
| Mean Commute Time | 32.7 minutes |
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| Work from Home | 21.3% |
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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 Castro Valley, California.
