| Zip Code : | 51346 |
| City : | Hartley city |
| County : | O'Brien County, Osceola County, Clay County |
| State : | Iowa (IA) |
| | |
| Land Area : | 145.68 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 43.1804632 |
| Longitude : | -95.4594507 |
| | |
| Population (2010): | 2,451 |
| Population Estimate (2012) : | 2,248 |
| Population Density : | 16.82/sq mi |
| Housing Units (2012) : | 1,141 |
| Median Household Income (2012) : | $45,682 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $59,769 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $73,700 (Iowa : $123,000, USA : $181,400) |