Yarmouth port is located in Barnstable county Massachusetts with a geographic area of 6.0 square miles. The total population in Yarmouth port is 5,202 with 44.4% male and 55.6% female. Children under age 5 represent 2.6% of the population, under age 18 equal 13.1% of the population and over age 65 is 41.8% of the population. The median household income is $83,056, per capita income is $54,816. There are a total of 2,566 housing units with 90.1% owner occupied. Education includes 14.5% of residents that are high school graduates and 54.1% with a bachelor's degree or higher. The average temperature in Yarmouth port in the summer is 70 degrees, and in the winter 30 degrees.