Baldwinsville
- County:
- Onondaga County
- County Seat:
- No
- Area (mi²):
- 3.19
- State:
- New York
Baldwinsville is a village located in Onondaga County, New York. Baldwinsville has a 2026 population of 7,662. Baldwinsville is currently declining at a rate of 0% annually and its population has decreased by -1.91% since the most recent census, which recorded a population of 7,811 in 2020.