Duluth is located in Gwinnett county Georgia with a geographic area of 10.2 square miles. The total population in Duluth is 29,538 with 46.1% male and 53.9% female. Children under age 5 represent 5.7% of the population, under age 18 equal 23.3% of the population and over age 65 is 11.3% of the population. The median household income is $74,377, per capita income is $34,258. There are a total of 11,195 housing units with 56.2% owner occupied. Education includes 11.2% of residents that are high school graduates and 55.4% with a bachelor's degree or higher. The average temperature in Duluth in the summer is 76 degrees, and in the winter 42 degrees.
