
Petersburgh
- County:
- Rensselaer County
- County Seat:
- No
- Area (mi²):
- 41.613
- State:
- New York
Petersburgh is located in Rensselaer County, New York. Petersburgh has a 2025 population of 1,367. Petersburgh is currently growing at a rate of 0.07% annually but its population has decreased by -0.51% since the most recent census, which recorded a population of 1,374 in 2020.
The average household income in Petersburgh is $90,460 with a poverty rate of 6.02%. The median age in Petersburgh is 48.8 years: 50 years for males, and 46.6 years for females.