Carthage is located in west Illinois. Carthage is part of Hancock County. Carthage has 2.44 square miles of land area and has no water area. As of 2010-2014, the total Carthage population is 2,600, which has shrunk 4.59% since 2000. The population growth rate is much lower than the state average rate of 3.62% and is much lower than the national average rate of 11.61%. Carthage median household income is $50,042 in 2010-2014 and has grown by 44.31% since 2000. The income growth rate is much higher than the state average rate of 22.70% and is much higher than the national average rate of 27.36%. Carthage median house value is $93,600 in 2010-2014 and has grown by 41.82% 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 Carthage is close to the state average in quality. The Carthage area code is 217.