| Zip Code : | 61101 |
| City : | Rockford city |
| County : | Winnebago County |
| State : | Illinois (IL) |
| | |
| Land Area : | 41.63 sq mi |
| Water Area : | 0.07 sq mi |
| Latitude : | 42.3460792 |
| Longitude : | -89.1460866 |
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| Population (2010): | 21,593 |
| Population Estimate (2012) : | 22,912 |
| Population Density : | 518.63/sq mi |
| Housing Units (2012) : | 9,024 |
| Median Household Income (2012) : | $29,909 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $34,498 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $80,800 (Illinois : $190,800, USA : $181,400) |