Kinmundy is located in Marion county Illinois with a geographic area of 1.2 square miles. The total population in Kinmundy is 915 with 45.4% male and 54.6% female. Children under age 5 represent 5.9% of the population, under age 18 equal 18.5% of the population and over age 65 is 20.2% of the population. The median household income is $31,111, per capita income is $22,132. There are a total of 442 housing units with 76.2% owner occupied. Education includes 42.8% of residents that are high school graduates and 7.2% with a bachelor's degree or higher. The average temperature in Kinmundy in the summer is 74 degrees, and in the winter 27 degrees.