| Zip Code : | 50138 |
| City : | Knoxville city |
| County : | Marion County |
| State : | Iowa (IA) |
| | |
| Land Area : | 170.74 sq mi |
| Water Area : | 7.57 sq mi |
| Latitude : | 41.3005894 |
| Longitude : | -93.1051851 |
| | |
| Population (2010): | 11,720 |
| Population Estimate (2012) : | 11,700 |
| Population Density : | 68.64/sq mi |
| Housing Units (2012) : | 5,241 |
| Median Household Income (2012) : | $49,459 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $62,250 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $106,600 (Iowa : $123,000, USA : $181,400) |