
Portlandville
- County:
- Otsego County
- County Seat:
- No
- Area (mi²):
- 0.23
- State:
- New York
Portlandville is a CDP located in Otsego County, New York. Portlandville has a 2025 population of 145. Portlandville is currently growing at a rate of 7.41% annually but its population has decreased by -57.6% since the most recent census, which recorded a population of 342 in 2020.
The average household income in Portlandville is $65,138 with a poverty rate of 0%. The median age in Portlandville is 64.4 years: 74.5 years for males, and 63.9 years for females.