
Marcellus
- County:
- Onondaga County
- County Seat:
- No
- Area (mi²):
- 0.639
- State:
- New York
Marcellus is a village located in Onondaga County, New York. Marcellus has a 2025 population of 1,730. Marcellus is currently declining at a rate of -0.69% annually and its population has decreased by -3.46% since the most recent census, which recorded a population of 1,792 in 2020.
The average household income in Marcellus is $82,684 with a poverty rate of 9.66%. The median age in Marcellus is 40 years: 36.9 years for males, and 43 years for females.