
Valley Stream
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 3.478
- State:
- New York
Valley Stream is a village located in Nassau County, New York. Valley Stream has a 2025 population of 39,684. Valley Stream is currently declining at a rate of -0.4% annually and its population has decreased by -1.99% since the most recent census, which recorded a population of 40,491 in 2020.
The average household income in Valley Stream is $151,088 with a poverty rate of 3.48%. The median age in Valley Stream is 42 years: 40.1 years for males, and 43.6 years for females.