Demographics & People — Aliso Viejo, California
Population Overview
| Population (Census) | 51,320 |
| Estimated 2026 | ~50,600 |
| Median Age | 39.2 |
| Total Households | 19,421 |
| Family Households | 13,155 |
| Average Household Size | 2.6 |
| Diversity Index | 0.5561 (moderately diverse) |
Race & Ethnicity
| White | 31,281 |
| Black or African American | 1,105 |
| Asian | 8,661 |
| Hispanic or Latino | 9,926 |
Heritage & Ancestry
| Group | Count |
| Other groups | 20,473 |
| Hispanic: Hispanic or Latino | 10,392 |
| Unclassified or not reported | 8,808 |
| Hispanic: Mexican | 6,986 |
| English | 5,377 |
| German | 4,764 |
| Irish | 4,545 |
| Italian | 3,213 |
| Iranian | 1,669 |
| American | 1,526 |
Language
| English Only | 30,880 |
| Spanish | 5,373 |
| Population 5+ | 47,980 |
Veterans
| Veterans | 1,317 |
| Population 18+ | 39,047 |
Commuting
| Mean Commute Time | 25.1 minutes |
| Work from Home | 26.0% |
| 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 Aliso Viejo, California.