| Zip Code : | 61070 |
| City : | Rock City village |
| County : | Stephenson County |
| State : | Illinois (IL) |
| | |
| Land Area : | 34.70 sq mi |
| Water Area : | 0.00 sq mi |
| Latitude : | 42.4168175 |
| Longitude : | -89.4730739 |
| | |
| Population (2010): | 1,130 |
| Population Estimate (2012) : | 1,080 |
| Population Density : | 32.56/sq mi |
| Housing Units (2012) : | 484 |
| Median Household Income (2012) : | $65,265 (Illinois : $56,853, USA : $53,046) |
| Median Family Income (2012) : | $68,403 (Illinois : $70,144, USA : $64,585) |
| Median House Price (2012) : | $110,400 (Illinois : $190,800, USA : $181,400) |