
Williston Park
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 0.626
- State:
- New York
Williston Park is a village located in Nassau County, New York. Williston Park has a 2025 population of 7,390. Williston Park is currently declining at a rate of -0.46% annually and its population has decreased by -2.27% since the most recent census, which recorded a population of 7,562 in 2020.
The average household income in Williston Park is $183,991 with a poverty rate of 3.5%. The median age in Williston Park is 40.7 years: 37.8 years for males, and 43.5 years for females.