
Knoxville
- County:
- Tioga County
- County Seat:
- No
- Area (mi²):
- 0.62
- State:
- Pennsylvania
Knoxville is a borough located in Tioga County, Pennsylvania. Knoxville has a 2025 population of 664. Knoxville is currently declining at a rate of -0.45% annually and its population has decreased by -2.5% since the most recent census, which recorded a population of 681 in 2020.
The average household income in Knoxville is $73,357 with a poverty rate of 14.41%. The median age in Knoxville is 38.1 years: 38.8 years for males, and 37.2 years for females.