
North Bellmore
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 2.62
- State:
- New York
North Bellmore is a CDP located in Nassau County, New York. North Bellmore has a 2025 population of 21,352. North Bellmore is currently growing at a rate of 0.44% annually but its population has decreased by -0.33% since the most recent census, which recorded a population of 21,422 in 2020.
The average household income in North Bellmore is $220,578 with a poverty rate of 3.3%. The median age in North Bellmore is 40.8 years: 40.5 years for males, and 41.4 years for females.