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 2026 population of 1,271. Onarga is currently declining at a rate of -0.86% annually and its population has decreased by -5.15% since the most recent census, which recorded a population of 1,340 in 2020.

The median household income in Onarga is $78,352 with a poverty rate of 8.58%. The median age in Onarga is 42.3 years: 42.2 years for males, and 42.5 years for females. For every 100 females there are 104.9 males.

1.3K
Total Population
759
Density (mi²)
-11 -0.86%
Growth

Onarga Population

Onarga Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20261,271-11-0.86%
20251,282-12-0.93%
20241,29420.15%
20231,292-15-1.15%
20221,307-20-1.51%
20211,327-13-0.97%
20201,340-5-0.37%
20191,260-16-1.25%
20181,276-10-0.78%
20171,286-17-1.3%
20161,303-19-1.44%
20151,322-9-0.68%
20141,331-3-0.22%
20131,334-10-0.74%
20121,344-15-1.1%
20111,359-9-0.66%
20101,373-1-0.07%

Median Age

Overall: 42.3 years
Female: 42.5 years
Male: 42.2 years

Onarga Adults

There are 1,139 adults, (267 of whom are seniors) in Onarga.

Sex Ratio

Female: 698 (48.8%)
Male: 732 (51.2%)

Demographics

The racial composition of Onarga includes 45.45% White, 27.83% other race, 6.64% Native American, and smaller percentages for Black or African American, Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White65045.45%
Other race39827.83%
Two or more races26618.6%
Native American956.64%
Black or African American181.26%
Asian30.21%
Race
Population ↓
Percentage (of total)
Other race39827.83%
Two or more races25918.11%
White1137.9%
Native American926.43%
Race
Population ↓
Percentage (of total)
White53737.55%
Black or African American181.26%
Two or more races70.49%
Native American30.21%
Asian30.21%

Onarga Marital Status

Economics and Income Statistics

Onarga 's average per capita income is $47,716. Household income levels show a median of $78,352. The poverty rate stands at 8.58%.

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$97,697$102,400
Married Families$89,327-
Households$78,352$85,258
Non Families$25,625$42,886

$47,716

Average Income

$78,352

Median Household Income

8.58%

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)