| City : | Hartman City |
| County : | Columbiana County, Johnson County |
| State : | Arkansas (AR) |
| | |
| Land Area : | 1.24 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 35.4371859 |
| Longitude : | -93.6224227 |
| | |
| Population (2010): | 519 |
| Population Estimate (2012) : | 643 |
| Population Density : | 419.79/sq mi |
| Housing Units (2012) : | 242 |
| Median Household Income (2012) : | $30,703 (Arkansas : $40,531, USA : $53,046) |
| Median Family Income (2012) : | $32,353 (Arkansas : $50,453, USA : $64,585) |
| Median House Price (2012) : | $42,900 (Arkansas : $106,300, USA : $181,400) |