| Zip Code : | 50156 |
| City : | Luther city, Madrid city |
| County : | Boone County, Polk County, Dallas County |
| State : | Iowa (IA) |
| | |
| Land Area : | 89.70 sq mi |
| Water Area : | 2.47 sq mi |
| Latitude : | 41.8983104 |
| Longitude : | -93.8012355 |
| | |
| Population (2010): | 4,412 |
| Population Estimate (2012) : | 4,213 |
| Population Density : | 49.19/sq mi |
| Housing Units (2012) : | 1,903 |
| Median Household Income (2012) : | $54,005 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $70,545 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $121,000 (Iowa : $123,000, USA : $181,400) |