Onarga Flag

Onarga

County:
Iroquois County
County Seat:
No
Area (mi²):
1.674
State:
Illinois

Onarga is a village located in Iroquois County, Illinois. Onarga has a 2025 population of 1,282 . Onarga is currently declining at a rate of -0.93% annually and its population has decreased by -4.33% since the most recent census, which recorded a population of 1,340 in 2020.

The average household income in Onarga is $75,323 with a poverty rate of 9.23%. The median age in Onarga is 42.8 years: 42.6 years for males, and 43.3 years for females. For every 100 females there are 94.0 males.

1.3K
Total Population
766
Density (mi²)
-12 -0.93%
Growth

Onarga Population

Onarga Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Onarga includes 48.31% White, 29.66% other race, 5.21% Native American, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

White (48.31%)

Other race (29.66%)

Two or more races (15.64%)

Native American (5.21%)

Black or African American (0.95%)

Asian (0.22%)

Race
Population
Percentage (of total)
White65848.31%
Other race40429.66%
Two or more races21315.64%
Native American715.21%
Black or African American130.95%
Asian30.22%

Onarga Marital Status

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

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Onarga's average per capita income is $41,250. Household income levels show a median of $64,286. The poverty rate stands at 9.23%.

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
Families$79,750$91,367
Married Families$79,000-
Households$64,286$75,323
Non Families$27,500$39,386

$41,250

Average Income

$64,286

Median Household Income

9.23%

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)