Hardin city, Montana
Official LSAD Designation: Hardin city • Census GEOID: 3034225
• Big Horn County
Demographics & Population Profile
Population and demographics for Hardin city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 3,696 | — | 2025 | Census |
| Median Age | 37.1 yrs | ±7.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 1,394 | ±182 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).