
Youngsville
- County:
- Warren County
- County Seat:
- No
- Area (mi²):
- 1.33
- State:
- Pennsylvania
Youngsville is a borough located in Warren County, Pennsylvania. Youngsville has a 2025 population of 1,647. Youngsville is currently declining at a rate of -0.96% annually and its population has decreased by -4.58% since the most recent census, which recorded a population of 1,726 in 2020.
The average household income in Youngsville is $69,027 with a poverty rate of 11.08%. The median age in Youngsville is 43 years: 35.2 years for males, and 45.7 years for females.