| Population | 36 (2010), see rank |
| House Units | 11, see rank |
| Race | Whites:97.2%, Hispanics:0%, Blacks:0%, Asians:0%, Others:2.8% |
| Total Area: | 0.01 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Iowa |
| County: | Buchanan County |
| City: | Winthrop |
| Census Tract: | 950100 |
| Census Block Group: | 950100-3 |