| Zip Code : | 62234 |
| City : | Caseyville village, Collinsville city, Fairmont City village, Maryville village, Pontoon Beach village, Troy city |
| County : | Madison County, St. Clair County |
| State : | Illinois (IL) |
| | |
| Land Area : | 36.63 sq mi |
| Water Area : | 1.00 sq mi |
| Latitude : | 38.6832150 |
| Longitude : | -89.9820579 |
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| Population (2010): | 33,430 |
| Population Estimate (2012) : | 33,038 |
| Population Density : | 912.54/sq mi |
| Housing Units (2012) : | 15,004 |
| Median Household Income (2012) : | $48,373 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $60,015 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $125,800 (Illinois : $190,800, USA : $181,400) |