
Pitcairn
- County:
- Allegheny County
- County Seat:
- No
- Area (mi²):
- 0.506
- State:
- Pennsylvania
Pitcairn is a borough located in Allegheny County, Pennsylvania. Pitcairn has a 2025 population of 2,911. Pitcairn is currently declining at a rate of -1.29% annually and its population has decreased by -6.1% since the most recent census, which recorded a population of 3,100 in 2020.
The average household income in Pitcairn is $50,517 with a poverty rate of 21.86%. The median age in Pitcairn is 39.1 years: 40 years for males, and 36.8 years for females.