Dupont is located in Pierce county Washington with a geographic area of 5.8 square miles. The total population in Dupont is 9,514 with 49.7% male and 50.3% female. Children under age 5 represent 6.4% of the population, under age 18 equal 27.7% of the population and over age 65 is 9.3% of the population. The median household income is $93,405, per capita income is $46,678. There are a total of 3,906 housing units with 53.6% owner occupied. Education includes 6.2% of residents that are high school graduates and 64.8% with a bachelor's degree or higher. The average temperature in Dupont in the summer is 61 degrees, and in the winter 42 degrees.