
Fayette County
- State:
- Pennsylvania
- County Seat:
- Uniontown
Fayette County's estimated 2025 population is 121,009 with a growth rate of -1.19% in the past year according to the most recent United States census data. Fayette County is the 27th largest county in Pennsylvania. The 2010 population was 136,431 and has seen a growth of -11.3% since that time.