| City : | Clarksville City |
| County : | Atlantic County, Montgomery County, Red River County |
| State : | Tennessee (TN) |
| | |
| Land Area : | 97.60 sq mi |
| Water Area : | 0.68 sq mi |
| Latitude : | 36.5664303 |
| Longitude : | -87.3452162 |
| | |
| Population (2010): | 132,929 |
| Population Estimate (2012) : | 133,583 |
| Population Density : | 1,361.95/sq mi |
| Housing Units (2012) : | 54,815 |
| Median Household Income (2012) : | $47,305 (Tennessee : $44,140, USA : $53,046) |
| Median Family Income (2012) : | $53,869 (Tennessee : $54,737, USA : $64,585) |
| Median House Price (2012) : | $132,900 (Tennessee : $138,700, USA : $181,400) |