Syosset, New York

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Syosset
Hamlet and census-designated place
Jackson Avenue in Syosset's downtown in 2021.
Motto:  "Together We Will Make a Difference"
Location in Nassau County and the state of New York
Syosset, New York Location of Syosset in New York state Show map of Long Island Syosset, New York Syosset, New York (New York) Show map of New York Syosset, New York Syosset, New York (the United States) Show map of the United States
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 County, New York
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 code	516
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 2020 census.

Syosset is served by the Syosset LIRR station, the Syosset Post Office, the Syosset Central School District, the Syosset Public Library, the Syosset Fire Department, and the Jericho Water District.^[2]