| Population | 45 (2010), see rank |
| House Units | 13, see rank |
| Race | Whites:82.2%, Hispanics:2.2%, Blacks:0%, Asians:0%, Others:17.8% |
| Total Area: | 0.02 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | South Dakota |
| Area: | Rapid City, SD |
| County: | Pennington County |
| City: | New Underwood |
| Census Tract: | 011600 |
| Census Block Group: | 011600-4 |