| Zip Code : | 52742 |
| City : | De Witt city, Welton city |
| County : | Clinton County |
| State : | Iowa (IA) |
| | |
| Land Area : | 117.22 sq mi |
| Water Area : | 0.21 sq mi |
| Latitude : | 41.8382631 |
| Longitude : | -90.5196995 |
| | |
| Population (2010): | 7,618 |
| Population Estimate (2012) : | 7,537 |
| Population Density : | 64.99/sq mi |
| Housing Units (2012) : | 3,180 |
| Median Household Income (2012) : | $61,213 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $75,268 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $148,000 (Iowa : $123,000, USA : $181,400) |