Demographics & People — Willowbrook, California
Population Overview
| Population (Census) | 21,642 |
| Estimated 2026 | ~21,800 |
| Median Age | 33.5 |
| Total Households | 5,919 |
| Family Households | 4,591 |
| Average Household Size | 3.61 |
| Diversity Index | 0.5083 (moderately diverse) |
Race & Ethnicity
| White | 4,151 |
| Black or African American | 3,949 |
| Asian | 449 |
| Hispanic or Latino | 16,876 |
Heritage & Ancestry
| Group | Count |
| Other groups | 19,461 |
| Hispanic: Hispanic or Latino | 17,774 |
| Hispanic: Mexican | 13,555 |
| Hispanic: Central American | 3,499 |
| Unclassified or not reported | 2,326 |
| Hispanic: Guatemalan | 1,920 |
| Hispanic: Salvadoran | 1,262 |
| American | 645 |
| Hispanic: Other Hispanic or Latino | 513 |
| Hispanic: All other Hispanic or Latino | 507 |
Language
| English Only | 6,569 |
| Spanish | 13,307 |
| Population 5+ | 20,251 |
Veterans
| Veterans | 202 |
| Population 18+ | 16,029 |
Commuting
| Mean Commute Time | 33.1 minutes |
| Work from Home | 9.4% |
| 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 Willowbrook, California.