Thetford is located in Orange county Vermont with a geographic area of square miles. The total population in Thetford is 2,546 with 49.6% male and 50.4% female. Children under age 5 represent 3.5% of the population, under age 18 equal 18.6% of the population and over age 65 is 17.8% of the population. The median household income is $72,875, per capita income is $41,267. There are a total of 1,140 housing units with 86.4% owner occupied. Education includes 24.1% of residents that are high school graduates and 52.9% with a bachelor's degree or higher. The average temperature in Thetford in the summer is 65 degrees, and in the winter 19 degrees.