Ionia is located in Ionia county Michigan with a geographic area of 5.4 square miles. The total population in Ionia is 11,178 with 65.4% male and 34.6% female. Children under age 5 represent 6.9% of the population, under age 18 equal 17.1% of the population and over age 65 is 9.6% of the population. The median household income is $48,880, per capita income is $16,848. There are a total of 3,141 housing units with 49.7% owner occupied. Education includes 36.1% of residents that are high school graduates and 17.1% with a bachelor's degree or higher. The average temperature in Ionia in the summer is 69 degrees, and in the winter 23 degrees.
