Greenvale, New York

Greenvale, New York
A Greenvale welcome sign on Northern Boulevard in 2018
Motto: 
"Key to the Gold Coast"
Location in Nassau County and the state of New York
Greenvale, New York
Location on Long Island
Greenvale, New York
Location within the state of New York
Coordinates: 40°48′47″N 73°37′32″W / 40.81306°N 73.62556°W / 40.81306; -73.62556
Country United States
State New York
CountyNassau
TownsNorth Hempstead
Oyster Bay
Area
  Total
0.25 sq mi (0.65 km2)
  Land0.25 sq mi (0.65 km2)
  Water0.00 sq mi (0.00 km2)
Elevation
187 ft (57 m)
Population
 (2020)
  Total
1,069
  Density4,276.00/sq mi (1,653.15/km2)
Time zoneUTC−05:00 (Eastern (EST))
  Summer (DST)UTC−04:00 (EDT)
ZIP code
11548
Area codes516, 363
FIPS code36-30598
GNIS feature ID0951769

Greenvale (historically known as Bull's Head, Cedar Swamp, and North Roslyn) is a hamlet and census-designated place (CDP) in the towns of North Hempstead and Oyster Bay in Nassau County, on the North Shore of Long Island, in New York, United States. It is considered part of the Greater Roslyn area, which is anchored by the Incorporated Village of Roslyn. The population was 1,069 at the time of the 2020 census.