
Constantia
- County:
- Oswego County
- County Seat:
- No
- Area (mi²):
- 3.031
- State:
- New York
Constantia is a CDP located in Oswego County, New York. Constantia has a 2025 population of 1,676. Constantia is currently growing at a rate of 2.01% annually and its population has increased by 11.36% since the most recent census, which recorded a population of 1,505 in 2020.
The average household income in Constantia is $99,296 with a poverty rate of 3.56%. The median age in Constantia is 45.4 years: 38.6 years for males, and 51.8 years for females.