Swans island is located in Hancock county Maine with a geographic area of square miles. The total population in Swans island is 579 with 63.0% male and 37.0% female. Children under age 5 represent 1.9% of the population, under age 18 equal 12.8% of the population and over age 65 is 19.7% of the population. The median household income is $52,005, per capita income is $42,796. There are a total of 339 housing units with 92.0% owner occupied. Education includes 60.5% of residents that are high school graduates and 25.4% with a bachelor's degree or higher. The average temperature in Swans island in the summer is 68 degrees, and in the winter 25 degrees.