Carthage is located in Hancock county Illinois with a geographic area of 2.5 square miles. The total population in Carthage is 2,474 with 49.3% male and 50.7% female. Children under age 5 represent 3.4% of the population, under age 18 equal 17.7% of the population and over age 65 is 25.1% of the population. The median household income is $70,563, per capita income is $36,191. There are a total of 1,157 housing units with 74.0% owner occupied. Education includes 22.4% of residents that are high school graduates and 47.3% with a bachelor's degree or higher. The average temperature in Carthage in the summer is 74 degrees, and in the winter 27 degrees.
