
Donora
- County:
- Washington County
- County Seat:
- No
- Area (mi²):
- 1.899
- State:
- Pennsylvania
Donora is a borough located in Washington County, Pennsylvania. Donora has a 2025 population of 4,459. Donora is currently declining at a rate of -0.45% annually and its population has decreased by -2.24% since the most recent census, which recorded a population of 4,561 in 2020.
The average household income in Donora is $54,254 with a poverty rate of 31.23%. The median age in Donora is 47.5 years: 47.1 years for males, and 48.9 years for females.