Hills is located in east Iowa. Hills is part of Johnson County. Hills has 0.63 square miles of land area and has no water area. As of 2010-2014, the total Hills population is 812, which has grown 19.59% since 2000. The population growth rate is much higher than the state average rate of 5.19% and is much higher than the national average rate of 11.61%. Hills median household income is $47,656 in 2010-2014 and has has shrunk by 7.42% since 2000. The income growth rate is much lower than the state average rate of 33.56% and is much lower than the national average rate of 27.36%. Hills median house value is $151,800 in 2010-2014 and has shrunk by -43.48% since 2000. The house value growth rate is lower than the state average rate of 53.09% 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 Hills is much better than the state average in quality. The Hills area code is 319.