Milford is located in Sussex county Delaware with a geographic area of 9.9 square miles. The total population in Milford is 11,463 with 45.0% male and 55.0% female. Children under age 5 represent 8.4% of the population, under age 18 equal 26.0% of the population and over age 65 is 23.3% of the population. The median household income is $45,948, per capita income is $27,379. There are a total of 4,602 housing units with 49.2% owner occupied. Education includes 24.0% of residents that are high school graduates and 27.0% with a bachelor's degree or higher. The average temperature in Milford in the summer is 74 degrees, and in the winter 35 degrees.