| City : | Lake Tansi |
| County : | Cumberland County, Rockingham County |
| State : | Tennessee (TN) |
| | |
| Land Area : | 8.51 sq mi |
| Water Area : | 0.79 sq mi |
| Latitude : | 35.8702760 |
| Longitude : | -85.0605773 |
| | |
| Population (2010): | 3,803 |
| Population Estimate (2012) : | 3,525 |
| Population Density : | 447.02/sq mi |
| Housing Units (2012) : | 2,269 |
| Median Household Income (2012) : | $37,623 (Tennessee : $44,140, USA : $53,046) |
| Median Family Income (2012) : | $42,540 (Tennessee : $54,737, USA : $64,585) |
| Median House Price (2012) : | $136,500 (Tennessee : $138,700, USA : $181,400) |