
Bellmore
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 2.359
- State:
- New York
Bellmore is a CDP located in Nassau County, New York. Bellmore has a 2025 population of 15,867. Bellmore is currently declining at a rate of -0.14% annually and its population has decreased by -0.13% since the most recent census, which recorded a population of 15,887 in 2020.
The average household income in Bellmore is $195,947 with a poverty rate of 3.36%. The median age in Bellmore is 42.2 years: 43.4 years for males, and 41.4 years for females.