| Population | 12 (2010), see rank |
| House Units | 5, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 0.01 sq mi |
| Water Area: | 0.00 sq mi (15.86%) |
| State: | Iowa |
| County: | Iowa County |
| City: | Williamsburg |
| Census Tract: | 960400 |
| Census Block Group: | 960400-4 |