| Zip Code : | 61072 |
| City : | Rockton village, Roscoe village, South Beloit city |
| County : | Winnebago County |
| State : | Illinois (IL) |
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| Land Area : | 52.53 sq mi |
| Water Area : | 1.03 sq mi |
| Latitude : | 42.4423525 |
| Longitude : | -89.1384897 |
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| Population (2010): | 11,797 |
| Population Estimate (2012) : | 11,534 |
| Population Density : | 224.57/sq mi |
| Housing Units (2012) : | 4,606 |
| Median Household Income (2012) : | $74,219 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $83,762 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $169,500 (Illinois : $190,800, USA : $181,400) |