| City : | Granite City |
| County : | Madison County |
| State : | Illinois (IL) |
| | |
| Land Area : | 19.29 sq mi |
| Water Area : | 1.41 sq mi |
| Latitude : | 38.7292826 |
| Longitude : | -90.1254718 |
| | |
| Population (2010): | 29,849 |
| Population Estimate (2012) : | 29,916 |
| Population Density : | 1,547.50/sq mi |
| Housing Units (2012) : | 13,578 |
| Median Household Income (2012) : | $41,799 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $51,494 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $83,600 (Illinois : $190,800, USA : $181,400) |