| City : | Union City |
| County : | Hardin County, Putnam County |
| State : | Iowa (IA) |
| Land Area : | 0.55 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.2435350 |
| Longitude : | -93.0626769 |
| Population (2010): | 397 |
| Population Estimate (2012) : | 528 |
| Population Density : | 722.40/sq mi |
| Housing Units (2012) : | 200 |
| Median Household Income (2012) : | $45,625 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $55,938 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $66,100 (Iowa : $123,000, USA : $181,400) |
Union City Zip Codes
| 50258 (1,002) |