Chester is located in Randolph county Illinois with a geographic area of 5.8 square miles. The total population in Chester is 8,264 with 69.4% male and 30.6% female. Children under age 5 represent 2.7% of the population, under age 18 equal 11.0% of the population and over age 65 is 14.0% of the population. The median household income is $51,830, per capita income is $18,069. There are a total of 2,195 housing units with 66.7% owner occupied. Education includes 43.3% of residents that are high school graduates and 16.9% with a bachelor's degree or higher. The average temperature in Chester in the summer is 74 degrees, and in the winter 27 degrees.
