
Fire Island
- County:
- Suffolk County
- County Seat:
- No
- Area (mi²):
- 9.169
- State:
- New York
Fire Island is a CDP located in Suffolk County, New York. Fire Island has a 2025 population of 300. Fire Island is currently growing at a rate of 0.33% annually but its population has decreased by -18.48% since the most recent census, which recorded a population of 368 in 2020.
The average household income in Fire Island is $145,443 with a poverty rate of 3.2%. The median age in Fire Island is 48.7 years: 54.3 years for males, and 43.2 years for females.