
Forest Hills
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 1.565
- State:
- Pennsylvania
Forest Hills is a borough located in Allegheny County, Pennsylvania. Forest Hills has a 2025 population of 6,036. Forest Hills is currently declining at a rate of -1.24% annually and its population has decreased by -5.95% since the most recent census, which recorded a population of 6,418 in 2020.
The average household income in Forest Hills is $116,168 with a poverty rate of 4.45%. The median age in Forest Hills is 44.7 years: 42.6 years for males, and 47.9 years for females.