Clayville
- County:
- Oneida County
- County Seat:
- No
- Area (mi²):
- 0.439
- State:
- New York
Clayville is a village located in Oneida County, New York. Clayville has a 2026 population of 336. Clayville is currently declining at a rate of 0% annually and its population has decreased by -1.47% since the most recent census, which recorded a population of 341 in 2020.
The median household income in Clayville is $79,286 with a poverty rate of 3.94%. The median age in Clayville is 42.7 years: 41.8 years for males, and 46.4 years for females. For every 100 females there are 104.8 males.