Oneida County Flag

Oneida County

State:
New York
County Seat:
Utica

Oneida County's estimated 2026 population is 225,492 with a growth rate of -0.4% in the past year according to the most recent United States census data. Oneida County is the 17th largest county in New York. The 2010 population was 234,752 and has seen a growth of -3.94% since that time.

225,492
Total Population
186
Population Density (mi²)
17
Population Rank (State)
-900 -0.4%
Annual Population Growth

Oneida County Population

Demographics

Economics and Income Statistics