Chester is located in south Illinois. Chester is part of Randolph County. Chester has 5.81 square miles of land area and 0.02 square miles of water area. As of 2010-2014, the total Chester population is 8,495, which has grown 63.84% since 2000. The population growth rate is much higher than the state average rate of 3.62% and is much higher than the national average rate of 11.61%. Chester median household income is $38,621 in 2010-2014 and has has shrunk by 1.17% 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%. Chester median house value is $82,900 in 2010-2014 and has shrunk by -36.12% 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 Chester is worse than the state average in quality. The Chester area code is 618.