| Population | 18 (2010), see rank |
| House Units | 5, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 9.59 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | South Dakota |
| County: | Lyman County |
| City: | Oacoma |
| Census Tract: | 972600 |
| Census Block Group: | 972600-2 |