Lemont is located in northeast Illinois. Lemont is between the Cook, Dupage, Will county. Lemont has 7.97 square miles of land area and 0.38 square miles of water area. As of 2010-2014, the total Lemont population is 16,376, which has grown 25.03% 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%. Lemont median household income is $87,410 in 2010-2014 and has grown by 23.88% 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%. Lemont median house value is $342,100 in 2010-2014 and has grown by 51.57% 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 Lemont is much better than the state average in quality. The Lemont area code is 630.