| Zip Code : | 52231 |
| City : | Harper city |
| County : | Keokuk County |
| State : | Iowa (IA) |
| Land Area : | 32.68 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 41.3616561 |
| Longitude : | -92.0591267 |
| Population (2010): | 328 |
| Population Estimate (2012) : | 253 |
| Population Density : | 10.04/sq mi |
| Housing Units (2012) : | 148 |
| Median Household Income (2012) : | $39,875 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $64,712 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $94,000 (Iowa : $123,000, USA : $181,400) |