
Greenbush
- County:
- Penobscot County
- County Seat:
- No
- Area (mi²):
- 43.796
- State:
- Maine
Greenbush is located in Penobscot County, Maine. Greenbush has a 2025 population of 1,474. Greenbush is currently growing at a rate of 0.07% annually and its population has increased by 1.94% since the most recent census, which recorded a population of 1,446 in 2020.
The average household income in Greenbush is $69,810 with a poverty rate of 10.24%. The median age in Greenbush is 40.5 years: 38.5 years for males, and 41.2 years for females.