St. Mary CDP, Montana
Official LSAD Designation: St. Mary CDP • Census GEOID: 3065425
• Glacier County
Demographics & Population Profile
Population and demographics for St. Mary CDP.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population | 193 | ±112 | 2020-2024 | Census ACS 5-Year 2024 |
| Median Age | 25.8 yrs | ±15.2 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 52 | ±38 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).