Alexandria is located in Fairfax county Virginia with a geographic area of 14.9 square miles. The total population in Alexandria is 158,309 with 48.2% male and 51.8% female. Children under age 5 represent 7.2% of the population, under age 18 equal 18.4% of the population and over age 65 is 11.6% of the population. The median household income is $102,227, per capita income is $64,835. There are a total of 71,289 housing units with 43.4% owner occupied. Education includes 8.2% of residents that are high school graduates and 70.1% with a bachelor's degree or higher. The average temperature in Alexandria in the summer is 77 degrees, and in the winter 35 degrees.
