Dillon city, Montana
Official LSAD Designation: Dillon city • Census GEOID: 3020800
• Beaverhead County
Demographics & Population Profile
Population and demographics for Dillon city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 4,271 | — | 2025 | Census |
| Median Age | 33 yrs | ±4.9 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,764 | ±143 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).