| Zip Code : | 62401 |
| City : | Effingham city, Watson village |
| County : | Effingham County, Shelby County |
| State : | Illinois (IL) |
| | |
| Land Area : | 104.16 sq mi |
| Water Area : | 0.92 sq mi |
| Latitude : | 39.1187222 |
| Longitude : | -88.5623852 |
| | |
| Population (2010): | 19,096 |
| Population Estimate (2012) : | 18,534 |
| Population Density : | 183.33/sq mi |
| Housing Units (2012) : | 8,564 |
| Median Household Income (2012) : | $48,682 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $64,922 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $118,600 (Illinois : $190,800, USA : $181,400) |