Clarksville is located in Johnson county Arkansas with a geographic area of 18.5 square miles. The total population in Clarksville is 9,661 with 50.8% male and 49.2% female. Children under age 5 represent 5.5% of the population, under age 18 equal 21.3% of the population and over age 65 is 17.5% of the population. The median household income is $32,842, per capita income is $21,970. There are a total of 3,629 housing units with 51.3% owner occupied. Education includes 34.7% of residents that are high school graduates and 18.0% with a bachelor's degree or higher. The average temperature in Clarksville in the summer is 78 degrees, and in the winter 37 degrees.
