Darlington
- County:
- Beaver County
- County Seat:
- No
- Area (mi²):
- 0.082
- State:
- Pennsylvania
Darlington is a borough located in Beaver County, Pennsylvania. Darlington has a 2026 population of 246. Darlington is currently declining at a rate of -0.4% annually and its population has decreased by -1.2% since the most recent census, which recorded a population of 249 in 2020.
The median household income in Darlington is $65,750 with a poverty rate of 8.7%. The median age in Darlington is 33 years: 26.5 years for males, and 35.3 years for females. For every 100 females there are 81.2 males.