Madison County
Madison county is located close to the center of Iowa. Madison county has 561.01 square miles of land area and 1.15 square miles of water area. As of 2010-2014, the total Madison county population is 15,629, which has grown 11.48% since 2000. The population growth rate is much higher than the state average rate of 5.19% and is about the same as the national average rate of 11.61%. Madison county median household income is $56,661 in 2010-2014 and has grown by 35.41% since 2000. The income growth rate is higher than the state average rate of 33.56% and is higher than the national average rate of 27.36%. Madison county median house value is $156,600 in 2010-2014 and has grown by 78.56% since 2000. The house value growth rate is higher than the state average rate of 53.09% and is much higher 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 Madison county is much better than the state average in quality. The Madison county area codes are 515, 641.
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