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 1,253. Onarga is currently declining at a rate of -1.18% annually and its population has decreased by -5.58% since the most recent census, which recorded a population of 1,327 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.

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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Native American

Black or African American

Asian

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	658	48.31%
Other race	404	29.66%
Two or more races	213	15.64%
Native American	71	5.21%
Black or African American	13	0.95%
Asian	3	0.22%
Native Hawaiian or Pacific Islander	0	0%

Onarga Marital Status

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