
Manlius
- County:
- Onondaga County
- County Seat:
- No
- Area (mi²):
- 1.821
- State:
- New York
Manlius is a village located in Onondaga County, New York. Manlius has a 2025 population of 4,526. Manlius is currently declining at a rate of -0.72% annually and its population has decreased by -3.56% since the most recent census, which recorded a population of 4,693 in 2020.
The average household income in Manlius is $95,380 with a poverty rate of 9.07%. The median age in Manlius is 43.3 years: 39.3 years for males, and 47.9 years for females.