| Population | 25 (2010), see rank |
| House Units | 12, see rank |
| Race | Whites:96%, Hispanics:0%, Blacks:0%, Asians:0%, Others:4% |
| Total Area: | 0.38 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | South Dakota |
| Area: | Spearfish, SD |
| County: | Lawrence County |
| City: | Saint Onge |
| Census Tract: | 966100 |
| Census Block Group: | 966100-1 |