San Luis town, Colorado
Official LSAD Designation: San Luis town • Census GEOID: 0868105
• Costilla County
Demographics & Population Profile
Population and demographics for San Luis town.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 597 | — | 2025 | Census |
| Median Age | 43.9 yrs | ±9.6 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 252 | ±59 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).