
Lumberland
- County:
- Sullivan County
- County Seat:
- No
- Area (mi²):
- 46.539
- State:
- New York
Lumberland is located in Sullivan County, New York. Lumberland has a 2025 population of 2,326. Lumberland is currently growing at a rate of 0.82% annually and its population has increased by 3.7% since the most recent census, which recorded a population of 2,243 in 2020.
The average household income in Lumberland is $129,911 with a poverty rate of 10.42%. The median age in Lumberland is 44.3 years: 38.9 years for males, and 47.1 years for females.