Chatham is located in Barnstable county Massachusetts with a geographic area of 2.6 square miles. The total population in Chatham is 1,550 with 46.6% male and 53.4% female. Children under age 5 represent 0.0% of the population, under age 18 equal 4.6% of the population and over age 65 is 56.1% of the population. The median household income is $80,625, per capita income is $66,225. There are a total of 873 housing units with 82.5% owner occupied. Education includes 10.2% of residents that are high school graduates and 77.7% with a bachelor's degree or higher. The average temperature in Chatham in the summer is 70 degrees, and in the winter 30 degrees.
