Demographics & People — Rancho Santa Margarita, California
Population Overview
| Population (Census) | 47,257 |
| Estimated 2026 | ~46,400 |
| Median Age | 40.9 |
| Total Households | 17,042 |
| Family Households | 13,017 |
| Average Household Size | 2.77 |
| Diversity Index | 0.5086 (moderately diverse) |
Race & Ethnicity
| White | 30,772 |
| Black or African American | 694 |
| Asian | 5,755 |
| Hispanic or Latino | 9,429 |
Heritage & Ancestry
| Group | Count |
| Other groups | 17,268 |
| Hispanic: Hispanic or Latino | 9,734 |
| Unclassified or not reported | 9,227 |
| Hispanic: Mexican | 7,043 |
| German | 5,435 |
| English | 5,403 |
| Irish | 5,066 |
| Italian | 3,763 |
| American | 1,621 |
| European | 1,170 |
Language
| English Only | 33,646 |
| Spanish | 5,244 |
| Population 5+ | 44,724 |
Veterans
| Veterans | 1,571 |
| Population 18+ | 36,759 |
Commuting
| Mean Commute Time | 26.2 minutes |
| Work from Home | 25.4% |
| 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 Rancho Santa Margarita, California.