Baden
- County:
- Beaver County
- County Seat:
- No
- Area (mi²):
- 2.261
- State:
- Pennsylvania
Baden is a borough located in Beaver County, Pennsylvania. Baden has a 2026 population of 3,813. Baden is currently declining at a rate of -0.08% annually and its population has decreased by -2.21% since the most recent census, which recorded a population of 3,899 in 2020.