Custer park is located in Will county Illinois with a geographic area of 0.2 square miles. The total population in Custer park is 497 with 43.5% male and 56.5% female. Children under age 5 represent 13.3% of the population, under age 18 equal 39.2% of the population and over age 65 is 2.8% of the population. The median household income is $88,393, per capita income is $14,079. There are a total of 97 housing units with 35.1% owner occupied. Education includes 84.5% of residents that are high school graduates and 3.1% with a bachelor's degree or higher. The average temperature in Custer park in the summer is 74 degrees, and in the winter 27 degrees.