
Ilion
- County:
- Herkimer County
- County Seat:
- No
- Area (mi²):
- 2.493
- State:
- New York
Ilion is a village located in Herkimer County, New York. Ilion has a 2025 population of 7,499. Ilion is currently declining at a rate of -0.45% annually and its population has decreased by -2.22% since the most recent census, which recorded a population of 7,669 in 2020.
The average household income in Ilion is $68,573 with a poverty rate of 14.98%. The median age in Ilion is 42.5 years: 37.2 years for males, and 45.8 years for females.