As of , there are 2 properties listed for sale in the city of Rock City and 2 properties listed for sale in the ZIP code 61070. Those 2 Rock City properties include 2 single family homes and 0 condos. This single family residential home located at 4816 Igor Sikorsky St in 61070 was last listed for $83,666. This is 79% below the median of $392,000 for that ZIP code and 79% below the current median price of $392,000 for Rock City. 4816 Igor Sikorsky St is roughly 1,340 Sqft, which is 50% below the Rock City median of 2,675 and 50% below the 61070 ZIP code median of 2,675. This property's price per square foot was $62, which is 57% below the current median price in 61070 of $143 and 57% below the Rock City median of $143 per square foot.