Mendon is located in Chariton county Missouri with a geographic area of 0.2 square miles. The total population in Mendon is 271 with 55.0% male and 45.0% female. Children under age 5 represent 1.5% of the population, under age 18 equal 19.9% of the population and over age 65 is 14.4% of the population. The median household income is $58,000, per capita income is $24,049. There are a total of 94 housing units with 91.5% owner occupied. Education includes 50.0% of residents that are high school graduates and 24.5% with a bachelor's degree or higher. The average temperature in Mendon in the summer is 77 degrees, and in the winter 32 degrees.