| City : | Calamus City |
| County : | Charlevoix County, Clinton County, Snohomish County, Tishomingo County |
| State : | Iowa (IA) |
| | |
| Land Area : | 0.48 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 41.8264945 |
| Longitude : | -90.7600146 |
| | |
| Population (2010): | 439 |
| Population Estimate (2012) : | 389 |
| Population Density : | 909.29/sq mi |
| Housing Units (2012) : | 185 |
| Median Household Income (2012) : | $58,984 (Iowa : $51,129, USA : $53,046) |
| Median Family Income (2012) : | $62,222 (Iowa : $64,772, USA : $64,585) |
| Median House Price (2012) : | $89,000 (Iowa : $123,000, USA : $181,400) |