| Population | 40 (2010), see rank |
| House Units | 21, see rank |
| Race | Whites:97.5%, Hispanics:2.5%, Blacks:0%, Asians:0%, Others:2.5% |
| Total Area: | 0.02 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| County: | Iowa County |
| City: | Williamsburg |
| Census Tract: | 960400 |
| Census Block Group: | 960400-1 |