| Zip Code : | 50240 |
| City : | Bevington city, Martensdale city, St. Charles city, St. Marys city |
| County : | Madison County, Warren County |
| State : | Iowa (IA) |
| | |
| Land Area : | 76.08 sq mi |
| Water Area : | 0.25 sq mi |
| Latitude : | 41.2970898 |
| Longitude : | -93.7927875 |
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| Population (2010): | 2,453 |
| Population Estimate (2012) : | 2,673 |
| Population Density : | 32.24/sq mi |
| Housing Units (2012) : | 997 |
| Median Household Income (2012) : | $64,500 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $75,096 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $158,500 (Iowa : $123,000, USA : $181,400) |