Marquette is located in Marquette county Michigan with a geographic area of 11.3 square miles. The total population in Marquette is 20,631 with 50.4% male and 49.6% female. Children under age 5 represent 2.9% of the population, under age 18 equal 11.1% of the population and over age 65 is 14.8% of the population. The median household income is $42,746, per capita income is $26,050. There are a total of 8,182 housing units with 47.3% owner occupied. Education includes 16.8% of residents that are high school graduates and 46.9% with a bachelor's degree or higher. The average temperature in Marquette in the summer is 64 degrees, and in the winter 23 degrees.
