San Luis Obispo city, California
Official LSAD Designation: San Luis Obispo city • Census GEOID: 0668154
• San Luis Obispo County
Demographics & Population Profile
Population and demographics for San Luis Obispo city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 50,636 | — | 2025 | Census |
| Median Age | 26.3 yrs | ±1.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 20,441 | ±723 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).