Islandia is located in Suffolk county New york with a geographic area of 2.2 square miles. The total population in Islandia is 3,315 with 46.2% male and 53.8% female. Children under age 5 represent 5.8% of the population, under age 18 equal 17.3% of the population and over age 65 is 14.5% of the population. The median household income is $82,500, per capita income is $36,506. There are a total of 1,086 housing units with 93.2% owner occupied. Education includes 28.2% of residents that are high school graduates and 28.2% with a bachelor's degree or higher. The average temperature in Islandia in the summer is 70 degrees, and in the winter 27 degrees.
