Demographics & People — Castle Rock, Washington
Population Overview
| Population (Census) | 2,298 |
|---|
| Estimated 2026 | ~2,000 |
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| Median Age | 33.9 |
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| Total Households | 879 |
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| Family Households | 591 |
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| Average Household Size | 2.61 |
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| Diversity Index | 0.1566 (relatively homogeneous) |
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Race & Ethnicity
| White | 1,953 |
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| Black or African American | 0 |
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| Asian | 19 |
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| Hispanic or Latino | 162 |
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Heritage & Ancestry
| Group | Count |
|---|
| Irish | 644 |
| German | 582 |
| Other groups | 552 |
| Unclassified or not reported | 543 |
| English | 351 |
| Italian | 223 |
| French (except Basque) | 180 |
| Hispanic: Hispanic or Latino | 154 |
| American | 112 |
| Polish | 91 |
Language
| English Only | 1,876 |
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| Spanish | 61 |
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| Population 5+ | 1,999 |
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Veterans
| Veterans | 159 |
|---|
| Population 18+ | 1,788 |
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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 Castle Rock, Washington.
