Chillicothe is located in Hardeman county Texas with a geographic area of 1.0 square miles. The total population in Chillicothe is 771 with 51.9% male and 48.1% female. Children under age 5 represent 7.8% of the population, under age 18 equal 30.1% of the population and over age 65 is 9.2% of the population. The median household income is $52,500, per capita income is $26,162. There are a total of 266 housing units with 70.7% owner occupied. Education includes 21.4% of residents that are high school graduates and 17.3% with a bachelor's degree or higher. The average temperature in Chillicothe in the summer is 82 degrees, and in the winter 49 degrees.