| City : | Decatur City |
| County : | Bucks County, Limestone County, Morgan County |
| State : | Alabama (AL) |
| | |
| Land Area : | 53.67 sq mi |
| Water Area : | 6.80 sq mi |
| Latitude : | 34.5730388 |
| Longitude : | -86.9916840 |
| | |
| Population (2010): | 55,683 |
| Population Estimate (2012) : | 55,664 |
| Population Density : | 1,037.45/sq mi |
| Housing Units (2012) : | 24,538 |
| Median Household Income (2012) : | $42,374 (Alabama : $43,160, USA : $53,046) |
| Median Family Income (2012) : | $55,921 (Alabama : $54,326, USA : $64,585) |
| Median House Price (2012) : | $126,000 (Alabama : $122,300, USA : $181,400) |