
Green Tree
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 2.075
- State:
- Pennsylvania
Green Tree is a borough located in Allegheny County, Pennsylvania. Green Tree has a 2025 population of 4,639. Green Tree is currently declining at a rate of -1.23% annually and its population has decreased by -5.88% since the most recent census, which recorded a population of 4,929 in 2020.
The average household income in Green Tree is $97,505 with a poverty rate of 9.4%. The median age in Green Tree is 45.3 years: 37.1 years for males, and 51.5 years for females.