Wilmington is located in Clinton county Ohio with a geographic area of 12.9 square miles. The total population in Wilmington is 12,444 with 46.4% male and 53.6% female. Children under age 5 represent 6.9% of the population, under age 18 equal 22.2% of the population and over age 65 is 18.1% of the population. The median household income is $38,187, per capita income is $23,015. There are a total of 5,281 housing units with 47.2% owner occupied. Education includes 34.5% of residents that are high school graduates and 26.5% with a bachelor's degree or higher. The average temperature in Wilmington in the summer is 71 degrees, and in the winter 32 degrees.
