Town guide
Sayville
New York · NY
About Sayville
Hamlet and census-designated place in New York, United States16,569Population
5.4 sq miArea
20 ftElevation
Sayville is a hamlet and census-designated place in Suffolk County, New York, United States. Located on the South Shore of Long Island in the Town of Islip, the population of the CDP was 16,569 at the time of the 2020 census.
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