Millville is located in Sussex county Delaware with a geographic area of 2.6 square miles. The total population in Millville is 1,484 with 43.7% male and 56.3% female. Children under age 5 represent 4.2% of the population, under age 18 equal 10.1% of the population and over age 65 is 41.3% of the population. The median household income is $70,938, per capita income is $42,837. There are a total of 735 housing units with 87.8% owner occupied. Education includes 14.8% of residents that are high school graduates and 57.0% with a bachelor's degree or higher. The average temperature in Millville in the summer is 74 degrees, and in the winter 35 degrees.
