Thompson Falls city, Montana
Official LSAD Designation: Thompson Falls city • Census GEOID: 3073825
• Sanders County
Demographics & Population Profile
Population and demographics for Thompson Falls city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 1,543 | — | 2025 | Census |
| Median Age | 48.8 yrs | ±9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 623 | ±158 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).