Joliet is located in northeast Illinois. Joliet is between the Will, Kendall, Cook county. Joliet has 62.11 square miles of land area and 0.66 square miles of water area. As of 2010-2014, the total Joliet population is 147,786, which has grown 39.13% 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%. Joliet median household income is $62,008 in 2010-2014 and has grown by 29.83% since 2000. The income growth rate is higher than the state average rate of 22.70% and is higher than the national average rate of 27.36%. Joliet median house value is $166,200 in 2010-2014 and has grown by 38.62% 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 Joliet is worse than the state average in quality. The Joliet area code is 815.