| Zip Code : | 62226 |
| City : | Belleville city, Fairview Heights city, Shiloh village, Swansea village |
| County : | St. Clair County |
| State : | Illinois (IL) |
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| Land Area : | 13.91 sq mi |
| Water Area : | 0.29 sq mi |
| Latitude : | 38.5351244 |
| Longitude : | -89.9995877 |
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| Population (2010): | 29,744 |
| Population Estimate (2012) : | 29,221 |
| Population Density : | 2,138.61/sq mi |
| Housing Units (2012) : | 13,722 |
| Median Household Income (2012) : | $49,830 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $66,095 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $119,800 (Illinois : $190,800, USA : $181,400) |