Union city, Iowa
Official LSAD Designation: Union city • Census GEOID: 1979545
• Hardin County
Demographics & Population Profile
Population and demographics for Union city.
| Demographic Variable | Estimate / Count | Margin of Error | Period | Source |
|---|---|---|---|---|
| Total Population (2025 PEP Estimate) | 382 | — | 2025 | Census |
| Median Age | 51.1 yrs | ±5.7 | 2020-2024 | Census ACS 5-Year 2024 |
| Total Households | 197 | ±50 | 2020-2024 | Census ACS 5-Year 2024 |
Source: U.S. Census Bureau (PEP, ACS 5-Year).