Demographics & People — Newcastle, California
Population Overview
| Population (Census) | 1,594 |
|---|
| Estimated 2026 | ~1,600 |
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| Median Age | 42.3 |
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| Total Households | 643 |
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| Family Households | 410 |
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| Average Household Size | 2.44 |
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| Diversity Index | 0.2937 (somewhat diverse) |
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Race & Ethnicity
| White | 1,419 |
|---|
| Black or African American | 22 |
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| Asian | 19 |
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| Hispanic or Latino | 256 |
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Heritage & Ancestry
| Group | Count |
|---|
| Other groups | 507 |
| Unclassified or not reported | 451 |
| Hispanic: Hispanic or Latino | 247 |
| Hispanic: Mexican | 231 |
| English | 192 |
| German | 187 |
| Irish | 94 |
| American | 69 |
| Scottish | 59 |
| French (except Basque) | 55 |
Language
| English Only | 1,427 |
|---|
| Spanish | 19 |
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| Population 5+ | 1,560 |
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Veterans
| Veterans | 105 |
|---|
| Population 18+ | 1,201 |
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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 Newcastle, California.
