Demographics & People — Castle Rock, Colorado
Population Overview
| Population (Census) | 76,614 |
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| Estimated 2026 | ~85,300 |
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| Median Age | 36.5 |
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| Total Households | 26,917 |
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| Family Households | 20,573 |
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| Average Household Size | 2.82 |
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| Diversity Index | 0.2584 (somewhat diverse) |
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Race & Ethnicity
| White | 63,992 |
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| Black or African American | 691 |
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| Asian | 1,677 |
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| Hispanic or Latino | 8,658 |
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Heritage & Ancestry
| Group | Count |
|---|
| German | 16,757 |
| Unclassified or not reported | 16,249 |
| Other groups | 14,706 |
| English | 12,952 |
| Irish | 8,835 |
| Hispanic: Hispanic or Latino | 7,910 |
| Hispanic: Mexican | 4,628 |
| Italian | 4,242 |
| European | 3,049 |
| American | 2,219 |
Language
| English Only | 65,253 |
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| Spanish | 3,593 |
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| Population 5+ | 71,034 |
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Veterans
| Veterans | 4,598 |
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| Population 18+ | 53,527 |
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Commuting
| Mean Commute Time | 28.6 minutes |
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| Work from Home | 28.8% |
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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 Castle Rock, Colorado.
