Dubuque is located in Dubuque county Iowa with a geographic area of 30.9 square miles. The total population in Dubuque is 58,052 with 48.5% male and 51.5% female. Children under age 5 represent 6.1% of the population, under age 18 equal 20.1% of the population and over age 65 is 19.0% of the population. The median household income is $54,938, per capita income is $30,664. There are a total of 24,151 housing units with 64.5% owner occupied. Education includes 29.9% of residents that are high school graduates and 34.2% with a bachelor's degree or higher. The average temperature in Dubuque in the summer is 72 degrees, and in the winter 23 degrees.
