Duxbury is located in Plymouth county Massachusetts with a geographic area of 2.2 square miles. The total population in Duxbury is 1,723 with 56.7% male and 43.3% female. Children under age 5 represent 2.6% of the population, under age 18 equal 20.4% of the population and over age 65 is 27.3% of the population. The median household income is $116,250, per capita income is $85,592. There are a total of 701 housing units with 93.7% owner occupied. Education includes 1.6% of residents that are high school graduates and 89.4% with a bachelor's degree or higher. The average temperature in Duxbury in the summer is 70 degrees, and in the winter 30 degrees.