Athens is located in Menard county Illinois with a geographic area of 1.7 square miles. The total population in Athens is 2,349 with 46.9% male and 53.1% female. Children under age 5 represent 6.5% of the population, under age 18 equal 29.5% of the population and over age 65 is 9.9% of the population. The median household income is $78,194, per capita income is $35,191. There are a total of 929 housing units with 77.3% owner occupied. Education includes 22.6% of residents that are high school graduates and 23.0% with a bachelor's degree or higher. The average temperature in Athens in the summer is 74 degrees, and in the winter 27 degrees.