
Poestenkill
- County:
- Rensselaer County
- County Seat:
- No
- Area (mi²):
- 32.355
- State:
- New York
Poestenkill town is located in Rensselaer County, New York. Poestenkill town has a 2025 population of 4,299. Poestenkill town is currently growing at a rate of 0.07% annually but its population has decreased by -0.3% since the most recent census, which recorded a population of 4,312 in 2020.
The average household income in Poestenkill town is $133,320 with a poverty rate of 4.02%. The median age in Poestenkill town is 43.6 years: 42.6 years for males, and 46.7 years for females.