Demographics & People — Columbia, California
Population Overview
| Population (Census) | 2,645 |
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| Estimated 2026 | ~1,500 |
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| Median Age | 49.8 |
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| Total Households | 1,164 |
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| Family Households | 732 |
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| Average Household Size | 2.16 |
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| Diversity Index | 0.2525 (somewhat diverse) |
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Race & Ethnicity
| White | 2,123 |
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| Black or African American | 18 |
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| Asian | 89 |
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| Hispanic or Latino | 244 |
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Heritage & Ancestry
| Group | Count |
|---|
| English | 691 |
| Other groups | 544 |
| Irish | 371 |
| Unclassified or not reported | 361 |
| Italian | 313 |
| German | 280 |
| Hispanic: Hispanic or Latino | 186 |
| Hispanic: Spaniard | 124 |
| Hispanic: Other Hispanic or Latino | 124 |
| French (except Basque) | 109 |
Language
| English Only | 2,319 |
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| Spanish | 91 |
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| Population 5+ | 2,562 |
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Veterans
| Veterans | 261 |
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| Population 18+ | 1,887 |
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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 Columbia, California.
