| Zip Code : | 52037 |
| City : | Delmar city, Maquoketa city, Welton city |
| County : | Clinton County, Jackson County |
| State : | Iowa (IA) |
| | |
| Land Area : | 68.24 sq mi |
| Water Area : | 0.02 sq mi |
| Latitude : | 41.9672403 |
| Longitude : | -90.6337544 |
| | |
| Population (2010): | 1,223 |
| Population Estimate (2012) : | 1,309 |
| Population Density : | 17.92/sq mi |
| Housing Units (2012) : | 515 |
| Median Household Income (2012) : | $59,167 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $76,250 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $120,200 (Iowa : $123,000, USA : $181,400) |