
Long Beach
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 2.218
- State:
- New York
Long Beach is a city located in Nassau County, New York. Long Beach has a 2025 population of 34,459. Long Beach is currently declining at a rate of -0.2% annually and its population has decreased by -0.98% since the most recent census, which recorded a population of 34,799 in 2020.
The average household income in Long Beach is $154,026 with a poverty rate of 7.13%. The median age in Long Beach is 45.8 years: 43.8 years for males, and 47.6 years for females.