| City : | Jefferson City |
| County : | Allegheny County, Callaway County, Cole County, Dallas County, Douglas County, Hartford County, Jackson County, Lamoille County, Limestone County, Madison County, Middlesex County, Northampton County |
| State : | Missouri (MO) |
| | |
| Land Area : | 35.95 sq mi |
| Water Area : | 1.63 sq mi |
| Latitude : | 38.5674612 |
| Longitude : | -92.1752539 |
| | |
| Population (2010): | 43,079 |
| Population Estimate (2012) : | 42,983 |
| Population Density : | 1,198.41/sq mi |
| Housing Units (2012) : | 18,852 |
| Median Household Income (2012) : | $48,201 (Missouri : $47,333, USA : $53,046) |
| Median Family Income (2012) : | $65,820 (Missouri : $59,395, USA : $64,585) |
| Median House Price (2012) : | $137,300 (Missouri : $138,400, USA : $181,400) |