Antioch is located in Lake county Illinois with a geographic area of 8.2 square miles. The total population in Antioch is 14,231 with 49.4% male and 50.6% female. Children under age 5 represent 4.0% of the population, under age 18 equal 26.0% of the population and over age 65 is 11.7% of the population. The median household income is $103,659, per capita income is $41,671. There are a total of 5,100 housing units with 74.8% owner occupied. Education includes 21.0% of residents that are high school graduates and 37.6% with a bachelor's degree or higher. The average temperature in Antioch in the summer is 74 degrees, and in the winter 27 degrees.
