New Hartford city, Iowa
Official LSAD Designation: New Hartford city • Census GEOID: 1956145
• Butler County
Demographics & Population Profile
Population and demographics for New Hartford city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 553 | — | 2025 | Census |
| Median Age | 38.2 yrs | ±10.4 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 251 | ±66 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).