Rock City is located in Illinois. Rock City, Illinois 61070has a population of 220. Rock City 61070 is more family-centric than the surrounding county with 29% households with children. The county percentage for households with children is 25%.
The median household income in Rock City, Illinois 61070 is $66,184. The median household income for the surrounding county is $50,218 compared to the national median of $66,222. The median age of people living in Rock City 61070 is 46.3 years.
The average high temperature in July is 82 degrees, with an average low temperature in January of 9 degrees. The annual precipitation is 34.79.