Oneida Flag

Oneida

County:
Knox County
County Seat:
No
Area (mi²):
0.763
State:
Illinois

Oneida is a city located in Knox County, Illinois. Oneida has a 2026 population of 681. Oneida is currently growing at a rate of 0.29% annually but its population has decreased by -2.16% since the most recent census, which recorded a population of 696 in 2020.

681
Total Population
892
Density (mi²)
2 0.29%
Growth

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)