| City : | Harper City |
| County : | Keokuk County, Nuckolls County |
| State : | Iowa (IA) |
| Land Area : | 0.09 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.3636709 |
| Longitude : | -92.0509513 |
| Population (2010): | 114 |
| Population Estimate (2012) : | 92 |
| Population Density : | 1,283.17/sq mi |
| Housing Units (2012) : | 56 |
| Median Household Income (2012) : | $63,036 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $64,286 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $57,000 (Iowa : $123,000, USA : $181,400) |
Harper City Zip Codes
| 52231 (328) |