| City : | Centralia City |
| County : | Clinton County, Marion County, Washington County |
| State : | Illinois (IL) |
| | |
| Land Area : | 8.19 sq mi |
| Water Area : | 1.03 sq mi |
| Latitude : | 38.5220725 |
| Longitude : | -89.1235412 |
| | |
| Population (2010): | 13,032 |
| Population Estimate (2012) : | 13,019 |
| Population Density : | 1,590.65/sq mi |
| Housing Units (2012) : | 6,378 |
| Median Household Income (2012) : | $35,000 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $47,156 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $65,100 (Illinois : $190,800, USA : $181,400) |