Fishkill
- County:
- Dutchess County
- County Seat:
- No
- Area (mi²):
- 0.832
- State:
- New York
Fishkill is a village located in Dutchess County, New York. Fishkill has a 2026 population of 2,146. Fishkill is currently declining at a rate of -0.05% annually and its population has decreased by -0.83% since the most recent census, which recorded a population of 2,164 in 2020.