| Zip Code : | 62002 |
| City : | Alton city, Bethalto village, East Alton village, Godfrey village |
| County : | Macoupin County, Madison County |
| State : | Illinois (IL) |
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| Land Area : | 42.02 sq mi |
| Water Area : | 2.11 sq mi |
| Latitude : | 38.9395318 |
| Longitude : | -90.1245035 |
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| Population (2010): | 32,704 |
| Population Estimate (2012) : | 32,292 |
| Population Density : | 778.27/sq mi |
| Housing Units (2012) : | 15,397 |
| Median Household Income (2012) : | $40,025 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $50,005 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $92,800 (Illinois : $190,800, USA : $181,400) |