Castleton is located in Rutland county Vermont with a geographic area of 1.3 square miles. The total population in Castleton is 1,141 with 50.9% male and 49.1% female. Children under age 5 represent 0.0% of the population, under age 18 equal 1.0% of the population and over age 65 is 5.6% of the population. The median household income is $18,564, per capita income is $7,949. There are a total of 185 housing units with 27.0% owner occupied. Education includes 5.4% of residents that are high school graduates and 36.8% with a bachelor's degree or higher. The average temperature in Castleton in the summer is 65 degrees, and in the winter 19 degrees.
