Green island is located in Catskills New york with a geographic area of 0.7 square miles. The total population in Green island is 2,647 with 46.2% male and 53.8% female. Children under age 5 represent 4.6% of the population, under age 18 equal 19.9% of the population and over age 65 is 17.3% of the population. The median household income is $49,792, per capita income is $31,397. There are a total of 1,303 housing units with 27.6% owner occupied. Education includes 37.5% of residents that are high school graduates and 22.8% with a bachelor's degree or higher. The average temperature in Green island in the summer is 70 degrees, and in the winter 27 degrees.