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 and multiracial populations.

Population by Race

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%

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