| Population | 1 (2010), see rank |
| House Units | 1, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 1.99 sq mi |
| Water Area: | 0.09 sq mi (4.35%) |
| State: | South Dakota |
| County: | Faulk County |
| City: | Onaka |
| Census Tract: | 961100 |
| Census Block Group: | 961100-2 |