| Zip Code : | 50129 |
| City : | Jefferson city |
| County : | Greene County |
| State : | Iowa (IA) |
| Land Area : | 167.65 sq mi |
| Water Area : | 0.56 sq mi |
| Latitude : | 42.0147710 |
| Longitude : | -94.3767426 |
| Population (2010): | 5,228 |
| Population Estimate (2012) : | 5,230 |
| Population Density : | 31.18/sq mi |
| Housing Units (2012) : | 2,566 |
| Median Household Income (2012) : | $45,156 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $65,141 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $82,700 (Iowa : $123,000, USA : $181,400) |