
Polk
- County:
- Venango County
- County Seat:
- No
- Area (mi²):
- 2.028
- State:
- Pennsylvania
Polk is a borough located in Venango County, Pennsylvania. Polk has a 2025 population of 616. Polk is currently declining at a rate of -0.48% annually and its population has decreased by -2.69% since the most recent census, which recorded a population of 633 in 2020.
The average household income in Polk is $52,338 with a poverty rate of 34.97%. The median age in Polk is 53.5 years: 52 years for males, and 58.5 years for females.