Carthage is located close to the center of New York. Carthage is between the Jefferson, Lewis, Saint Lawrence county. Carthage has 2.51 square miles of land area and 0.17 square miles of water area. As of 2010-2014, the total Carthage population is 3,689, which has shrunk 0.86% since 2000. The population growth rate is lower than the state average rate of 3.26% and is much lower than the national average rate of 11.61%. Carthage median household income is $42,930 in 2010-2014 and has grown by 74.63% since 2000. The income growth rate is much higher than the state average rate of 35.25% and is much higher than the national average rate of 27.36%. Carthage median house value is $133,300 in 2010-2014 and has grown by 132.23% since 2000. The house value growth rate is higher than the state average rate of 90.79% and is much 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 Carthage is close to the state average in quality. The Carthage area code is 315.