| Zip Code : | 62236 |
| City : | Columbia city, Dupo village |
| County : | Monroe County, St. Clair County |
| State : | Illinois (IL) |
| | |
| Land Area : | 54.63 sq mi |
| Water Area : | 2.93 sq mi |
| Latitude : | 38.4369080 |
| Longitude : | -90.2166058 |
| | |
| Population (2010): | 12,562 |
| Population Estimate (2012) : | 12,670 |
| Population Density : | 229.96/sq mi |
| Housing Units (2012) : | 5,029 |
| Median Household Income (2012) : | $70,396 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $88,471 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $205,400 (Illinois : $190,800, USA : $181,400) |