San Antonio city, Texas
Official LSAD Designation: San Antonio city • Census GEOID: 4865000
• Bexar County / Comal County / Medina County
Demographics & Population Profile
Population and demographics for San Antonio city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,548,422 | — | 2025 | Census |
| Median Age | 34.9 yrs | ±0.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 554,581 | ±2,999 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).