St. Marks city, Florida
Official LSAD Designation: St. Marks city • Census GEOID: 1262825
• Wakulla County
Demographics & Population Profile
Population and demographics for St. Marks city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 320 | — | 2025 | Census |
| Median Age | 61 yrs | ±16.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 121 | ±70 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).