Island Park
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 0.445
- State:
- New York
Island Park is a village located in Nassau County, New York. Island Park has a 2026 population of 5,019. Island Park is currently growing at a rate of 0.62% annually and its population has increased by 1.5% since the most recent census, which recorded a population of 4,945 in 2020.