| City : | Barnhart |
| County : | Jefferson County, Johnson County |
| State : | Missouri (MO) |
| | |
| Land Area : | 5.09 sq mi |
| Water Area : | 0.16 sq mi |
| Latitude : | 38.3370468 |
| Longitude : | -90.4055497 |
| | |
| Population (2010): | 5,682 |
| Population Estimate (2012) : | 5,873 |
| Population Density : | 1,115.57/sq mi |
| Housing Units (2012) : | 2,003 |
| Median Household Income (2012) : | $66,540 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $61,510 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $145,500 (Missouri : $138,400, USA : $181,400) |