
East Marion
- County:
- Suffolk County
- County Seat:
- No
- Area (mi²):
- 2.238
- State:
- New York
East Marion is a CDP located in Suffolk County, New York. East Marion has a 2025 population of 1,724. East Marion is currently growing at a rate of 3.23% annually and its population has increased by 50.7% since the most recent census, which recorded a population of 1,144 in 2020.
The average household income in East Marion is $168,424 with a poverty rate of 1.84%. The median age in East Marion is 61 years: 59.8 years for males, and 61.8 years for females.