| County : | Union County |
| State : | Iowa (IA) |
| Land Area : | 423.64 sq mi |
| Water Area : | 2.15 sq mi |
| Latitude : | 41.0285502 |
| Longitude : | -94.2450907 |
| Population (2010): | 12,534 |
| Population Estimate (2012) : | 12,525 |
| Population Density : | 29.59/sq mi |
| Housing Units (2012) : | 5,937 |
| Median Household Income (2012) : | $41,795 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $52,150 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $91,000 (Iowa : $123,000, USA : $181,400) |
Union County Cities / Towns
| Afton City (845) | Arispe City (100) | Creston City (7,834) |
| Cromwell City (107) | Kent (61) | Lorimor City (360) |
| Shannon City (71) | Thayer City (59) |
Union County Zip Codes
| 50074 (334) | 50149 (964) | 50174 (1,429) |
| 50254 (282) | 50801 (9,590) | 50830 (1,743) |
| 50842 (105) | 50845 (811) | 50851 (2,087) |
| 50861 (274) |