| Population | 1 (2010), see rank |
| House Units | 1, 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: | Maryland |
| Area: | Hagerstown-Martinsburg, MD-WV |
| County: | Washington County |
| City: | Ernstville |
| Census Tract: | 010600 |
| Census Block Group: | 010600-3 |