Dunn is located in Harnett county North carolina with a geographic area of 6.9 square miles. The total population in Dunn is 9,738 with 42.5% male and 57.5% female. Children under age 5 represent 5.7% of the population, under age 18 equal 20.6% of the population and over age 65 is 23.2% of the population. The median household income is $34,464, per capita income is $22,576. There are a total of 4,133 housing units with 53.7% owner occupied. Education includes 32.8% of residents that are high school graduates and 20.0% with a bachelor's degree or higher. The average temperature in Dunn in the summer is 77 degrees, and in the winter 38 degrees.