| City : | Marietta City |
| County : | Cobb County, Meigs County |
| State : | Georgia (GA) |
| | |
| Land Area : | 23.08 sq mi |
| Water Area : | 0.09 sq mi |
| Latitude : | 33.9535613 |
| Longitude : | -84.5424631 |
| | |
| Population (2010): | 56,579 |
| Population Estimate (2012) : | 57,451 |
| Population Density : | 2,451.44/sq mi |
| Housing Units (2012) : | 26,918 |
| Median Household Income (2012) : | $45,014 (Georgia : $49,604, USA : $53,046) |
| Median Family Income (2012) : | $51,846 (Georgia : $59,198, USA : $64,585) |
| Median House Price (2012) : | $215,800 (Georgia : $156,400, USA : $181,400) |