Onarga Flag

Onarga

County:
Iroquois County
County Seat:
No
Area (mi²):
48.53
State:
Illinois

Onarga is located in Iroquois County, Illinois. Onarga has a 2025 population of 1,574 . Onarga is currently growing at a rate of 0.19% annually but its population has decreased by -3.08% since the most recent census, which recorded a population of 1,624 in 2020.

The average household income in Onarga is $83,294 with a poverty rate of 9.97%. The median age in Onarga is 42.1 years: 41 years for males, and 42.5 years for females. For every 100 females there are 102.2 males.

1.6K
Total Population
32
Density (mi²)
3 0.19%
Growth

Onarga Population

Onarga Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Onarga includes 56.93% White, 24.57% other race, 4.32% Native American, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

White (56.93%)

Other race (24.57%)

Two or more races (12.96%)

Native American (4.32%)

Black or African American (1.03%)

Asian (0.18%)

Race
Population
Percentage (of total)
White93656.93%
Other race40424.57%
Two or more races21312.96%
Native American714.32%
Black or African American171.03%
Asian30.18%

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 $42,667. Household income levels show a median of $64,727. The poverty rate stands at 9.97%.

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$82,188$101,913
Married Families$80,938-
Households$64,727$83,294
Non Families$29,167$40,181

$42,667

Average Income

$64,727

Median Household Income

9.97%

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)