Addison is located in northeast Illinois. Addison is part of Dupage County. Addison has 9.77 square miles of land area and 0.21 square miles of water area. As of 2010-2014, the total Addison population is 37,215, which has grown 3.62% since 2000. The population growth rate is about the same as the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Addison median household income is $53,469 in 2010-2014 and has has shrunk by 1.15% since 2000. The income growth rate is much lower than the state average rate of 22.70% and is much lower than the national average rate of 27.36%. Addison median house value is $228,700 in 2010-2014 and has shrunk by -32.04% since 2000. The house value growth rate is lower 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 Addison is close to the state average in quality. The Addison area code is 630.