Blacksburg is located in Montgomery county Virginia with a geographic area of 19.7 square miles. The total population in Blacksburg is 44,395 with 53.9% male and 46.1% female. Children under age 5 represent 3.4% of the population, under age 18 equal 10.4% of the population and over age 65 is 6.5% of the population. The median household income is $41,711, per capita income is $22,571. There are a total of 12,935 housing units with 33.7% owner occupied. Education includes 9.1% of residents that are high school graduates and 57.2% with a bachelor's degree or higher. The average temperature in Blacksburg in the summer is 71 degrees, and in the winter 35 degrees.