Demographics & People — Jamestown, California
Population Overview
| Population (Census) | 3,777 |
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| Estimated 2026 | ~2,300 |
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| Median Age | 47.3 |
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| Total Households | 2,019 |
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| Family Households | 787 |
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| Average Household Size | 1.86 |
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| Diversity Index | 0.2802 (somewhat diverse) |
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Race & Ethnicity
| White | 3,075 |
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| Black or African American | 74 |
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| Asian | 0 |
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| Hispanic or Latino | 530 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 1,266 |
| German | 812 |
| English | 556 |
| Irish | 483 |
| Hispanic: Hispanic or Latino | 454 |
| Italian | 441 |
| Unclassified or not reported | 370 |
| Hispanic: Central American | 204 |
| Arab | 191 |
| Lebanese | 191 |
Language
| English Only | 3,327 |
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| Spanish | 246 |
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| Population 5+ | 3,573 |
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Veterans
| Veterans | 349 |
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| Population 18+ | 2,976 |
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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 Jamestown, California.
