Warrenton is located in Fauquier county Virginia with a geographic area of 4.4 square miles. The total population in Warrenton is 9,928 with 43.3% male and 56.7% female. Children under age 5 represent 7.5% of the population, under age 18 equal 23.8% of the population and over age 65 is 17.6% of the population. The median household income is $74,003, per capita income is $38,543. There are a total of 3,871 housing units with 58.3% owner occupied. Education includes 15.6% of residents that are high school graduates and 37.0% with a bachelor's degree or higher. The average temperature in Warrenton in the summer is 71 degrees, and in the winter 35 degrees.