| Zip Code : | 62294 |
| City : | Troy city |
| County : | Madison County, St. Clair County |
| State : | Illinois (IL) |
| | |
| Land Area : | 30.75 sq mi |
| Water Area : | 0.56 sq mi |
| Latitude : | 38.7023916 |
| Longitude : | -89.8684916 |
| | |
| Population (2010): | 14,367 |
| Population Estimate (2012) : | 14,576 |
| Population Density : | 467.16/sq mi |
| Housing Units (2012) : | 5,548 |
| Median Household Income (2012) : | $75,666 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $90,490 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $185,800 (Illinois : $190,800, USA : $181,400) |