Colstrip city, Montana
Official LSAD Designation: Colstrip city • Census GEOID: 3016525
• Rosebud County
Demographics & Population Profile
Population and demographics for Colstrip city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 2,091 | — | 2025 | Census |
| Median Age | 44.2 yrs | ±2.5 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 802 | ±113 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).