
Muttontown
- County:
- Nassau County
- County Seat:
- No
- Area (mi²):
- 6.057
- State:
- New York
Muttontown is a village located in Nassau County, New York. Muttontown has a 2025 population of 3,498. Muttontown is currently growing at a rate of 0.09% annually and its population has increased by 0.43% since the most recent census, which recorded a population of 3,483 in 2020.
The average household income in Muttontown is $395,671 with a poverty rate of 2.86%. The median age in Muttontown is 44.7 years: 45 years for males, and 44.3 years for females.