| City : | Decatur City |
| County : | Adams County, Stone County |
| State : | Indiana (IN) |
| | |
| Land Area : | 5.78 sq mi |
| Water Area : | 0.01 sq mi |
| Latitude : | 40.8301348 |
| Longitude : | -84.9281528 |
| | |
| Population (2010): | 9,405 |
| Population Estimate (2012) : | 10,062 |
| Population Density : | 1,627.92/sq mi |
| Housing Units (2012) : | 4,427 |
| Median Household Income (2012) : | $42,140 (Indiana : $48,374, USA : $53,046) |
| Median Family Income (2012) : | $52,899 (Indiana : $60,012, USA : $64,585) |
| Median House Price (2012) : | $90,300 (Indiana : $123,400, USA : $181,400) |