
North Amityville
- County:
- Suffolk County
- County Seat:
- No
- Area (mi²):
- 2.357
- State:
- New York
North Amityville is a CDP located in Suffolk County, New York. North Amityville has a 2025 population of 20,955. North Amityville is currently growing at a rate of 1% annually and its population has increased by 10.93% since the most recent census, which recorded a population of 18,890 in 2020.
The average household income in North Amityville is $149,201 with a poverty rate of 7.56%. The median age in North Amityville is 36.6 years: 32.1 years for males, and 44.2 years for females.