Islandia is located in Suffolk County, New York. There are roughly 3,357 residents, living in 1,028 households. The average temperature for Islandia this time of the year is low of 65F and high of 82F. On average, Islandia gets about 3.53 inches of precipitation in July. Most residents are home owners (89%), have a post secondary degree (51%) and are single, no kids (38%).
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