| Zip Code : | 62035 |
| City : | Alton city, Godfrey village |
| County : | Madison County, Jersey County |
| State : | Illinois (IL) |
| | |
| Land Area : | 46.17 sq mi |
| Water Area : | 3.47 sq mi |
| Latitude : | 38.9649059 |
| Longitude : | -90.2400629 |
| | |
| Population (2010): | 16,494 |
| Population Estimate (2012) : | 16,232 |
| Population Density : | 357.23/sq mi |
| Housing Units (2012) : | 7,036 |
| Median Household Income (2012) : | $52,802 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $66,935 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $141,100 (Illinois : $190,800, USA : $181,400) |