| City : | Decatur City |
| County : | Dekalb County |
| State : | Georgia (GA) |
| Land Area : | 4.27 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 33.7714550 |
| Longitude : | -84.2978566 |
| Population (2010): | 19,335 |
| Population Estimate (2012) : | 19,443 |
| Population Density : | 4,527.27/sq mi |
| Housing Units (2012) : | 9,335 |
| Median Household Income (2012) : | $72,020 (Georgia : $49,604, USA : $53,046) |
| Median Family Income (2012) : | $101,752 (Georgia : $59,198, USA : $64,585) |
| Median House Price (2012) : | $340,300 (Georgia : $156,400, USA : $181,400) |