Duluth is located in Carlton county Minnesota with a geographic area of 71.7 square miles. The total population in Duluth is 85,852 with 48.7% male and 51.3% female. Children under age 5 represent 5.5% of the population, under age 18 equal 17.9% of the population and over age 65 is 15.6% of the population. The median household income is $54,084, per capita income is $31,945. There are a total of 36,526 housing units with 60.2% owner occupied. Education includes 18.9% of residents that are high school graduates and 39.1% with a bachelor's degree or higher. The average temperature in Duluth in the summer is 62 degrees, and in the winter 9 degrees.
