Johnston City, IL
Johnston City is located in south Illinois. Johnston City is part of Williamson County. Johnston City has 2.06 square miles of land area and 0.06 square miles of water area. As of 2010-2014, the total Johnston City population is 3,541, which has shrunk 0.45% since 2000. The population growth rate is lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Johnston City median household income is $31,042 in 2010-2014 and has grown by 23.46% since 2000. The income growth rate is about the same as the state average rate of 22.70% and is lower than the national average rate of 27.36%. Johnston City median house value is $58,900 in 2010-2014 and has grown by 65.45% since 2000. The house value growth rate is much higher than the state average rate of 34.33% and is 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 Johnston City is close to the state average in quality. The Johnston City area code is 618.