Wilmington is located in Windham county Vermont with a geographic area of 1.1 square miles. The total population in Wilmington is 475 with 65.1% male and 34.9% female. Children under age 5 represent 16.8% of the population, under age 18 equal 20.8% of the population and over age 65 is 25.1% of the population. The median household income is $60,223, per capita income is $32,837. There are a total of 263 housing units with 45.2% owner occupied. Education includes 26.6% of residents that are high school graduates and 51.3% with a bachelor's degree or higher. The average temperature in Wilmington in the summer is 65 degrees, and in the winter 19 degrees.