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Om St. Johns
St. johns is located in Clinton county Michigan with a geographic area of 4.2 square miles. The total population in St. johns is 7,920 with 48.7% male and 51.3% female. Children under age 5 represent 5.5% of the population, under age 18 equal 23.6% of the population and over age 65 is 15.6% of the population. The median household income is $63,313, per capita income is $29,195. There are a total of 2,947 housing units with 73.3% owner occupied. Education includes 22.4% of residents that are high school graduates and 27.2% with a bachelor's degree or higher. The average temperature in St. johns in the summer is 67 degrees, and in the winter 23 degrees.