| Population | 4,181 (2010), see rank |
| House Units | 1,793, see rank |
| Race | Whites:97.7%, Hispanics:0.5%, Blacks:0.8%, Asians:0.4%, Others:1.1% |
| Population Density: | 28.14/sq mi, see rank |
| Median Household Income: | $53,373, see rank |
| Median House Price: | $88,400, see rank |
| Time Zone: | Central GMT -6:00 with Daylight Saving in the Summer |
| Land Area: | 148.30 sq mi, see rank |
| Water Area: | 0.30 sq mi (0.20%), see rank |
| State: | Illinois |
| Area: | Centralia, IL |
| County: | Marion County |
| School District: | Farrington Community Consolidated School District 99 ![](\"http://www.usa.com/img/s10.gif\") Iuka Community Consolidated School District 7 ![](\"http://www.usa.com/img/s6.gif\") Kell Consolidated School District 2 ![](\"http://www.usa.com/img/s5.gif\") Raccoon Consolidated School District 1 ![](\"http://www.usa.com/img/s4.gif\") Salem School District 111 Selmaville Community Consolidated School District 10 ![](\"http://www.usa.com/img/s7.gif\") Centralia High School District 200 ![](\"http://www.usa.com/img/s3.gif\") Salem Community High School District 600 see rank |