| Population | 18 (2010), see rank |
| House Units | 6, see rank |
| Race | Whites:100%, Hispanics:0%, Blacks:0%, Asians:0%, Others:0% |
| Total Area: | 0.01 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Pennsylvania |
| Area: | Johnstown, PA |
| County: | Cambria County |
| City: | Twin Rocks |
| Census Tract: | 011700 |
| Census Block Group: | 011700-2 |