
Donegal
- County:
- Westmoreland County
- County Seat:
- No
- Area (mi²):
- 0.227
- State:
- Pennsylvania
Donegal is a borough located in Westmoreland County, Pennsylvania. Donegal has a 2025 population of 98. Donegal is currently declining at a rate of -1.01% annually and its population has decreased by -3.92% since the most recent census, which recorded a population of 102 in 2020.
The average household income in Donegal is $58,770 with a poverty rate of 16.28%. The median age in Donegal is 66 years: 63.9 years for males, and 70.1 years for females.