St. Mary's city, Alaska
Official LSAD Designation: St. Mary's city • Census GEOID: 0266140
• Kusilvak Census Area
Demographics & Population Profile
Population and demographics for St. Mary's city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 567 | — | 2025 | Census |
| Median Age | 28.1 yrs | ±3.3 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 248 | ±30 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).