| Population | 342 (2010), see rank |
| House Units | 175, see rank |
| Race | Whites:98.5%, Hispanics:0.3%, Blacks:0%, Asians:0.3%, Others:1.2% |
| Total Area: | 7.71 sq mi |
| Water Area: | 0.00 sq mi (0.00%) |
| State: | Tennessee |
| County: | Johnson County |
| City: | Mountain City |
| Census Tract: | 956400 |
| Census Block Group: | 956400-2 |