Harwich is located in Barnstable county Massachusetts with a geographic area of square miles. The total population in Harwich is 12,168 with 48.5% male and 51.5% female. Children under age 5 represent 1.9% of the population, under age 18 equal 12.9% of the population and over age 65 is 33.7% of the population. The median household income is $78,932, per capita income is $42,650. There are a total of 5,391 housing units with 85.7% owner occupied. Education includes 18.7% of residents that are high school graduates and 48.9% with a bachelor's degree or higher. The average temperature in Harwich in the summer is 70 degrees, and in the winter 30 degrees.
