Marion is located in Smyth county Virginia with a geographic area of 4.8 square miles. The total population in Marion is 5,646 with 49.8% male and 50.2% female. Children under age 5 represent 4.3% of the population, under age 18 equal 18.7% of the population and over age 65 is 23.9% of the population. The median household income is $29,562, per capita income is $21,095. There are a total of 2,309 housing units with 50.2% owner occupied. Education includes 35.1% of residents that are high school graduates and 17.5% with a bachelor's degree or higher. The average temperature in Marion in the summer is 71 degrees, and in the winter 35 degrees.