Dover is located in Kent county Delaware with a geographic area of 23.7 square miles. The total population in Dover is 37,872 with 46.5% male and 53.5% female. Children under age 5 represent 4.8% of the population, under age 18 equal 19.1% of the population and over age 65 is 16.7% of the population. The median household income is $48,500, per capita income is $26,419. There are a total of 14,740 housing units with 47.9% owner occupied. Education includes 23.4% of residents that are high school graduates and 30.5% with a bachelor's degree or higher. The average temperature in Dover in the summer is 76 degrees, and in the winter 35 degrees.