Washington park is located in St. clair county Illinois with a geographic area of 2.5 square miles. The total population in Washington park is 3,909 with 48.6% male and 51.4% female. Children under age 5 represent 9.0% of the population, under age 18 equal 31.3% of the population and over age 65 is 11.9% of the population. The median household income is $21,065, per capita income is $11,912. There are a total of 1,550 housing units with 52.9% owner occupied. Education includes 35.6% of residents that are high school graduates and 10.5% with a bachelor's degree or higher. The average temperature in Washington park in the summer is 74 degrees, and in the winter 27 degrees.
