
Southeast
- County:
- Putnam County
- County Seat:
- No
- Area (mi²):
- 31.72
- State:
- New York
Southeast is located in Putnam County, New York. Southeast has a 2025 population of 18,243. Southeast is currently growing at a rate of 0.12% annually and its population has increased by 1.14% since the most recent census, which recorded a population of 18,038 in 2020.
The average household income in Southeast is $146,322 with a poverty rate of 7.99%. The median age in Southeast is 43.9 years: 42.4 years for males, and 45.7 years for females.