Johnsburg is located in north Illinois. Johnsburg is between the Mchenry, Lake county. Johnsburg has 7.08 square miles of land area and 0.59 square miles of water area. As of 2010-2014, the total Johnsburg population is 6,322, which has grown 17.27% 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%. Johnsburg median household income is $86,797 in 2010-2014 and has grown by 24.24% since 2000. The income growth rate is higher than the state average rate of 22.70% and is lower than the national average rate of 27.36%. Johnsburg median house value is $254,200 in 2010-2014 and has grown by 33.16% since 2000. The house value growth rate is about the same as 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 Johnsburg is better than the state average in quality.