Rock Island, IL
Rock Island is located in northwest Illinois. Rock Island is part of Rock Island County. Rock Island has 16.85 square miles of land area and 1.02 square miles of water area. As of 2010-2014, the total Rock Island population is 38,888, which has shrunk 2.01% since 2000. The population growth rate is much lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Rock Island median household income is $40,654 in 2010-2014 and has grown by 17.06% 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 Island median house value is $98,000 in 2010-2014 and has grown by 38.81% since 2000. The house value growth rate is higher than 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 Island is worse than the state average in quality. The Rock Island area code is 309.
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