Demographics & People — Clayton, California
Population Overview
| Population (Census) | 10,962 |
| Estimated 2026 | ~10,900 |
| Median Age | 43.8 |
| Total Households | 3,967 |
| Family Households | 3,120 |
| Average Household Size | 2.76 |
| Diversity Index | 0.4327 (moderately diverse) |
Race & Ethnicity
| White | 7,680 |
| Black or African American | 49 |
| Asian | 1,332 |
| Hispanic or Latino | 1,471 |
Heritage & Ancestry
| Group | Count |
| Other groups | 3,276 |
| English | 2,088 |
| Unclassified or not reported | 1,846 |
| Irish | 1,680 |
| German | 1,505 |
| Hispanic: Hispanic or Latino | 1,239 |
| Italian | 735 |
| Hispanic: Other Hispanic or Latino | 520 |
| American | 407 |
| Hispanic: Mexican | 404 |
Language
| English Only | 9,116 |
| Spanish | 412 |
| Population 5+ | 10,620 |
Veterans
| Veterans | 379 |
| Population 18+ | 8,469 |
Commuting
| Mean Commute Time | 35.5 minutes |
| Work from Home | 21.7% |
| Commuter Profile | N/A |
Source: Census ACS 5-Year 2023; Census ACS 5-Year 2023, Table B01003; Census ACS 5-Year 2023, B19013. Data for Clayton, California.