Wilmington is located in Will county Illinois with a geographic area of 0.8 square miles. The total population in Wilmington is 129 with 41.9% male and 58.1% female. Children under age 5 represent 9.3% of the population, under age 18 equal 18.6% of the population and over age 65 is 24.0% of the population. The median household income is $39,531, per capita income is $21,094. There are a total of 43 housing units with 86.0% owner occupied. Education includes 25.6% of residents that are high school graduates and 14.0% with a bachelor's degree or higher. The average temperature in Wilmington in the summer is 74 degrees, and in the winter 27 degrees.
