Clemmons is located in Forsyth county North carolina with a geographic area of 11.9 square miles. The total population in Clemmons is 20,574 with 49.5% male and 50.5% female. Children under age 5 represent 5.5% of the population, under age 18 equal 23.9% of the population and over age 65 is 19.3% of the population. The median household income is $74,679, per capita income is $38,162. There are a total of 7,922 housing units with 73.4% owner occupied. Education includes 16.3% of residents that are high school graduates and 50.4% with a bachelor's degree or higher. The average temperature in Clemmons in the summer is 75 degrees, and in the winter 38 degrees.