
Oak Hills
- County:
- Butler County
- County Seat:
- No
- Area (mi²):
- 3.369
- State:
- Pennsylvania
Oak Hills is a CDP located in Butler County, Pennsylvania. Oak Hills has a 2025 population of 2,454. Oak Hills is currently growing at a rate of 0.33% annually and its population has increased by 9.65% since the most recent census, which recorded a population of 2,238 in 2020.
The average household income in Oak Hills is $120,090 with a poverty rate of 6.78%. The median age in Oak Hills is 49.6 years: 51.8 years for males, and 43.6 years for females.