
Portville
- County:
- Cattaraugus County
- County Seat:
- No
- Area (mi²):
- 35.627
- State:
- New York
Portville town is located in Cattaraugus County, New York. Portville town has a 2025 population of 3,351. Portville town is currently declining at a rate of -0.92% annually and its population has decreased by -4.31% since the most recent census, which recorded a population of 3,502 in 2020.
The average household income in Portville town is $74,231 with a poverty rate of 11.48%. The median age in Portville town is 49.5 years: 50.1 years for males, and 49.3 years for females.