
Greenvale
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 0.25
- State:
- New York
Greenvale is a CDP located in Nassau County, New York. Greenvale has a 2025 population of 1,181. Greenvale is currently growing at a rate of 0.43% annually but its population has decreased by -12.52% since the most recent census, which recorded a population of 1,350 in 2020.
The average household income in Greenvale is $168,258 with a poverty rate of 10.96%. The median age in Greenvale is 49.7 years: 47.1 years for males, and 54.6 years for females.