| Population | 2 (2010), see rank |
| House Units | 1, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 6.60 sq mi |
| Water Area: | 0.08 sq mi (1.18%) |
| State: | South Dakota |
| County: | Campbell County |
| City: | Eureka |
| Census Tract: | 964100 |
| Census Block Group: | 964100-2 |