Mendon is located in St. joseph county Michigan with a geographic area of 1.0 square miles. The total population in Mendon is 835 with 49.9% male and 50.1% female. Children under age 5 represent 7.1% of the population, under age 18 equal 31.3% of the population and over age 65 is 9.2% of the population. The median household income is $65,000, per capita income is $26,034. There are a total of 310 housing units with 76.5% owner occupied. Education includes 24.5% of residents that are high school graduates and 13.2% with a bachelor's degree or higher. The average temperature in Mendon in the summer is 67 degrees, and in the winter 23 degrees.