
Stoneboro
- County:
- Mercer County
- County Seat:
- No
- Area (mi²):
- 2.834
- State:
- Pennsylvania
Stoneboro is a borough located in Mercer County, Pennsylvania. Stoneboro has a 2025 population of 919. Stoneboro is currently declining at a rate of -0.65% annually and its population has decreased by -3.06% since the most recent census, which recorded a population of 948 in 2020.
The average household income in Stoneboro is $63,380 with a poverty rate of 17.76%. The median age in Stoneboro is 38.6 years: 33.8 years for males, and 43.7 years for females.