South yarmouth is located in Barnstable county Massachusetts with a geographic area of 7.0 square miles. The total population in South yarmouth is 10,598 with 49.1% male and 50.9% female. Children under age 5 represent 3.2% of the population, under age 18 equal 12.4% of the population and over age 65 is 32.0% of the population. The median household income is $67,408, per capita income is $38,132. There are a total of 4,723 housing units with 74.2% owner occupied. Education includes 31.0% of residents that are high school graduates and 31.7% with a bachelor's degree or higher. The average temperature in South yarmouth in the summer is 70 degrees, and in the winter 30 degrees.
