Chestnut is located in Logan county Illinois with a geographic area of 0.1 square miles. The total population in Chestnut is 37 with 32.4% male and 67.6% female. Children under age 5 represent 0.0% of the population, under age 18 equal 27.0% of the population and over age 65 is 18.9% of the population. The median household income is $33,977, per capita income is $24,357. There are a total of 27 housing units with 33.3% owner occupied. Education includes 59.3% of residents that are high school graduates and 0.0% with a bachelor's degree or higher. The average temperature in Chestnut in the summer is 74 degrees, and in the winter 27 degrees.