
Atlantic Beach
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 0.439
- State:
- New York
Atlantic Beach is a village located in Nassau County, New York. Atlantic Beach has a 2025 population of 1,692. Atlantic Beach is currently declining at a rate of -0.12% annually and its population has decreased by -0.7% since the most recent census, which recorded a population of 1,704 in 2020.
The average household income in Atlantic Beach is $238,626 with a poverty rate of 1.43%. The median age in Atlantic Beach is 53.9 years: 50.3 years for males, and 55.6 years for females.