Syosset, New York

Syosset, New York
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
Syosset, New York
Location within the state 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
CountyNassau
TownOyster Bay
Area
  Total
4.97 sq mi (12.89 km2)
  Land4.97 sq mi (12.89 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
217 ft (66 m)
Population
 (2020)
  Total
19,259
  Density3,871.16/sq mi (1,494.65/km2)
Time zoneUTC-5 (Eastern (EST))
  Summer (DST)UTC-4 (EDT)
ZIP Codes
11773, 11791
Area codes516, 363
FIPS code36-72554
GNIS feature ID0970692
Websitewww.syossetchamber.com

Syosset /sˈɒsɪt/ 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.