| City : | Jefferson City |
| County : | Buffalo County, Butler County, Delaware County, Greene County, Mayes County, Socorro County |
| State : | Iowa (IA) |
| | |
| Land Area : | 5.97 sq mi |
| Water Area : | 0.04 sq mi |
| Latitude : | 42.0167516 |
| Longitude : | -94.3794173 |
| | |
| Population (2010): | 4,345 |
| Population Estimate (2012) : | 4,329 |
| Population Density : | 728.07/sq mi |
| Housing Units (2012) : | 2,156 |
| Median Household Income (2012) : | $44,049 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $65,463 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $80,300 (Iowa : $123,000, USA : $181,400) |