Brooklin is located in Hancock county Maine with a geographic area of square miles. The total population in Brooklin is 677 with 47.1% male and 52.9% female. Children under age 5 represent 1.9% of the population, under age 18 equal 11.4% of the population and over age 65 is 35.7% of the population. The median household income is $50,625, per capita income is $32,040. There are a total of 323 housing units with 92.0% owner occupied. Education includes 15.2% of residents that are high school graduates and 48.9% with a bachelor's degree or higher. The average temperature in Brooklin in the summer is 68 degrees, and in the winter 25 degrees.