Demographics & People — San Luis Obispo, California
Population Overview
| Population (Census) | 48,039 |
| Estimated 2026 | ~49,600 |
| Median Age | 26.3 |
| Total Households | 20,005 |
| Family Households | 8,175 |
| Average Household Size | 2.34 |
| Diversity Index | 0.3878 (somewhat diverse) |
Race & Ethnicity
| White | 36,467 |
| Black or African American | 570 |
| Asian | 2,573 |
| Hispanic or Latino | 8,312 |
Heritage & Ancestry
| Group | Count |
| Other groups | 14,186 |
| Unclassified or not reported | 9,293 |
| Hispanic: Hispanic or Latino | 8,521 |
| German | 7,141 |
| Hispanic: Mexican | 6,649 |
| English | 6,129 |
| Irish | 5,759 |
| Italian | 4,058 |
| European | 1,915 |
| French (except Basque) | 1,489 |
Language
| English Only | 38,864 |
| Spanish | 4,608 |
| Population 5+ | 46,624 |
Veterans
| Veterans | 1,548 |
| Population 18+ | 42,493 |
Commuting
| Mean Commute Time | 16.1 minutes |
| Work from Home | 17.1% |
| 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 San Luis Obispo, California.