Plymouth is located in Windsor county Vermont with a geographic area of square miles. The total population in Plymouth is 487 with 50.7% male and 49.3% female. Children under age 5 represent 3.7% of the population, under age 18 equal 11.7% of the population and over age 65 is 27.9% of the population. The median household income is $65,417, per capita income is $38,813. There are a total of 225 housing units with 86.7% owner occupied. Education includes 13.3% of residents that are high school graduates and 59.6% with a bachelor's degree or higher. The average temperature in Plymouth in the summer is 65 degrees, and in the winter 19 degrees.