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 2025 population of 661. Oneida is currently declining at a rate of -1.05% annually and its population has decreased by -5.03% since the most recent census, which recorded a population of 696 in 2020.

The average household income in Oneida is $77,225 with a poverty rate of 3.38%.The median age in Oneida is 38.8 years: 34.5 years for males, and 42 years for females.

661
Total Population
866
Density (mi²)
-7 -1.05%
Growth

Oneida Population

Oneida Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Oneida includes 92.86% White, 3.77% Asian, and smaller percentages for Two or more races, other race, Black or African American and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White71592.86%
Asian293.77%
Two or more races141.82%
Other race91.17%
Black or African American30.39%

Oneida Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Oneida's average per capita income is $52,083. Household income levels show a median of $66,615. The poverty rate stands at 3.38%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Married Families$94,125-
Families$78,125$90,302
Households$66,615$77,225
Non Families$35,000$48,555

$52,083

Average Income

$66,615

Median Household Income

3.38%

Poverty Rate

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)