USA
> Centralia, IL Micro Area
| Metropolitan statistical area : | Centralia, IL Micro Area |
| Land Area : | 572.36 sq mi |
| Water Area : | 3.67 sq mi |
| Latitude : | 38.6483956 |
| Longitude : | -88.9202214 |
| Population (2010): | 39,437 |
| Population Estimate (2012) : | 39,319 |
| Population Density : | 68.90/sq mi |
| Housing Units (2012) : | 18,296 |
| Median Household Income (2012) : | $41,723 (USA : $53,046) |
| Median Family Income (2012) : | $53,636 (USA : $64,585) |
| Median House Price (2012) : | $71,800 (USA : $181,400) |