Charleston is located in Orleans county Vermont with a geographic area of square miles. The total population in Charleston is 906 with 51.9% male and 48.1% female. Children under age 5 represent 9.1% of the population, under age 18 equal 18.5% of the population and over age 65 is 23.1% of the population. The median household income is $50,313, per capita income is $26,558. There are a total of 426 housing units with 90.8% owner occupied. Education includes 43.2% of residents that are high school graduates and 14.8% with a bachelor's degree or higher. The average temperature in Charleston in the summer is 65 degrees, and in the winter 19 degrees.