Marion is located in Marion county Ohio with a geographic area of 13.0 square miles. The total population in Marion is 36,011 with 56.4% male and 43.6% female. Children under age 5 represent 6.1% of the population, under age 18 equal 20.3% of the population and over age 65 is 13.9% of the population. The median household income is $40,223, per capita income is $18,885. There are a total of 12,694 housing units with 55.0% owner occupied. Education includes 44.0% of residents that are high school graduates and 11.8% with a bachelor's degree or higher. The average temperature in Marion in the summer is 71 degrees, and in the winter 32 degrees.
