
Hiller
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 1.726
- State:
- Pennsylvania
Hiller is a CDP located in Fayette County, Pennsylvania. Hiller has a 2025 population of 1,331. Hiller is currently growing at a rate of 0.83% annually and its population has increased by 10.64% since the most recent census, which recorded a population of 1,203 in 2020.
The average household income in Hiller is $97,850 with a poverty rate of 15.52%. The median age in Hiller is 42.9 years: 44.5 years for males, and 42.6 years for females.