| Population | 23 (2010), see rank |
| House Units | 12, see rank |
| Race | Whites:95.7%, Hispanics:4.3%, Blacks:0%, Asians:0%, Others:4.3% |
| Total Area: | 0.01 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| Area: | Clinton, IA |
| County: | Clinton County |
| City: | Calamus |
| Census Tract: | 001000 |
| Census Block Group: | 001000-2 |