Clarksville is located in Mecklenburg county Virginia with a geographic area of 2.9 square miles. The total population in Clarksville is 1,766 with 42.0% male and 58.0% female. Children under age 5 represent 6.9% of the population, under age 18 equal 29.0% of the population and over age 65 is 28.3% of the population. The median household income is $60,549, per capita income is $32,915. There are a total of 740 housing units with 71.5% owner occupied. Education includes 16.8% of residents that are high school graduates and 43.8% with a bachelor's degree or higher. The average temperature in Clarksville in the summer is 71 degrees, and in the winter 35 degrees.