| County : | Marion County |
| State : | Iowa (IA) |
| Land Area : | 554.53 sq mi |
| Water Area : | 15.97 sq mi |
| Latitude : | 41.3314552 |
| Longitude : | -93.0938490 |
| Population (2010): | 33,309 |
| Population Estimate (2012) : | 33,388 |
| Population Density : | 60.07/sq mi |
| Housing Units (2012) : | 13,914 |
| Median Household Income (2012) : | $53,684 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $67,043 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $132,700 (Iowa : $123,000, USA : $181,400) |
Marion County Cities / Towns
| Bussey City (422) | Hamilton City (130) | Harvey City (235) |
| Knoxville City (7,313) | Marysville City (66) | Melcher-dallas City (1,288) |
| Pella City (10,352) | Pleasantville City (1,694) | Swan City (72) |
Marion County Zip Codes
| 50044 (887) | 50057 (238) | 50062 (741) |
| 50116 (299) | 50119 (498) | 50138 (11,720) |
| 50139 (1,288) | 50163 (858) | 50170 (2,745) |
| 50214 (850) | 50219 (13,939) | 50225 (2,940) |
| 50228 (2,417) | 50237 (3,095) | 50252 (243) |
| 50256 (501) |