Syosset, New York

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Syosset, New York
Hamlet and census-designated place
Jackson Avenue in downtown Syosset in 2021
Motto:  "Together We Will Make a Difference"
Location in Nassau County and the state of New York
Syosset, New York Location on Long Island Show map of Long Island Syosset, New York Location within the state of New York Show map of New York
Coordinates: 40°48′46″N 73°30′3″W / 40.81278°N 73.50083°W / 40.81278; -73.50083
Country	United States
State	New York
County	Nassau
Town	Oyster Bay
Area [1]
• Total	4.97 sq mi (12.89 km2)
• Land	4.97 sq mi (12.89 km2)
• Water	0.00 sq mi (0.00 km2)
Elevation	217 ft (66 m)
Population  (2020)
• Total	19,259
• Density	3,871.16/sq mi (1,494.65/km2)
Time zone	UTC-5 (Eastern (EST))
• Summer (DST)	UTC-4 (EDT)
ZIP Codes	11773, 11791
Area codes	516, 363
FIPS code	36-72554
GNIS feature ID	0970692
Website	www.syossetchamber.com

Syosset /saɪˈɒsɪt/ is a hamlet and census-designated place in the Town of Oyster Bay, in Nassau County, on the North Shore of Long Island, in New York, United States. The population was 19,259 at the time of the 2020 census.