Islandia is located in New York. Islandia, New York 11749has a population of 3,437. Islandia 11749 is more family-centric than the surrounding county with 34% households with children. The county percentage for households with children is 30%.
The median household income in Islandia, New York 11749 is $91,306. The median household income for the surrounding county is $104,317 compared to the national median of $66,222. The median age of people living in Islandia 11749 is 43.9 years.
The average high temperature in July is 83.2 degrees, with an average low temperature in January of 22.6 degrees. The annual precipitation is 46.52.