Yarmouth is located in Cumberland county Maine with a geographic area of 5.2 square miles. The total population in Yarmouth is 5,752 with 44.9% male and 55.1% female. Children under age 5 represent 2.9% of the population, under age 18 equal 22.0% of the population and over age 65 is 20.7% of the population. The median household income is $69,576, per capita income is $39,630. There are a total of 2,199 housing units with 70.4% owner occupied. Education includes 12.6% of residents that are high school graduates and 58.3% with a bachelor's degree or higher. The average temperature in Yarmouth in the summer is 68 degrees, and in the winter 25 degrees.