Delavan is located in south Wisconsin. Delavan is part of Walworth County. Delavan has 6.76 square miles of land area and 0.46 square miles of water area. As of 2010-2014, the total Delavan population is 8,467, which has grown 6.42% since 2000. The population growth rate is about the same as the state average rate of 6.73% and is much lower than the national average rate of 11.61%. Delavan median household income is $48,199 in 2010-2014 and has grown by 13.27% since 2000. The income growth rate is much lower than the state average rate of 20.43% and is much lower than the national average rate of 27.36%. Delavan median house value is $148,100 in 2010-2014 and has grown by 43.09% since 2000. The house value growth rate is lower than the state average rate of 47.86% 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 Delavan is worse than the state average in quality. The Delavan area code is 262.