Rock City, IL
Rock City is located in north Illinois. Rock City is part of Stephenson County. Rock City has 0.15 square miles of land area and has no water area. As of 2010-2014, the total Rock City population is 333, which has grown 6.39% since 2000. The population growth rate is higher than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Rock City median household income is $54,091 in 2010-2014 and has grown by 16.95% since 2000. The income growth rate is lower than the state average rate of 22.70% and is much lower than the national average rate of 27.36%. Rock City median house value is $109,100 in 2010-2014 and has grown by 34.69% since 2000. The house value growth rate is about the same as the state average rate of 34.33% and is lower than the national average rate of 46.91%. As a reference, the national Consumer Price Index (CPI) inflation rate for the same period is 26.63%. On average, the public school district that covers Rock City is better than the state average in quality. The Rock City area code is 815.
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