| Zip Code : | 52729 |
| City : | Calamus city |
| County : | Clinton County |
| State : | Iowa (IA) |
| Land Area : | 41.98 sq mi |
| Water Area : | 0.06 sq mi |
| Latitude : | 41.8001835 |
| Longitude : | -90.7356908 |
| Population (2010): | 874 |
| Population Estimate (2012) : | 829 |
| Population Density : | 20.82/sq mi |
| Housing Units (2012) : | 380 |
| Median Household Income (2012) : | $58,611 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $59,940 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $112,000 (Iowa : $123,000, USA : $181,400) |