Milledgeville is located in Mcnairy county Tennessee with a geographic area of 1.6 square miles. The total population in Milledgeville is 298 with 51.0% male and 49.0% female. Children under age 5 represent 10.1% of the population, under age 18 equal 24.8% of the population and over age 65 is 21.5% of the population. The median household income is $40,625, per capita income is $22,664. There are a total of 117 housing units with 73.5% owner occupied. Education includes 41.9% of residents that are high school graduates and 2.6% with a bachelor's degree or higher. The average temperature in Milledgeville in the summer is 77 degrees, and in the winter 38 degrees.