Illinois township

County:: Washington County
County Seat:: No
Area (mi²):: 33.446
State:: Arkansas

Illinois township is located in Washington County, Arkansas. Illinois township has a 2025 population of 775. Illinois township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The average household income in Illinois township is $66,627 with a poverty rate of 2.19%. The median age in Illinois township is 49.6 years: 49.9 years for males, and 48.8 years for females.

Demographics

The racial composition of Illinois township includes 81.16% White, 10.97% Asian, and smaller percentages for Native Hawaiian or Pacific Islander, Black or African American, Native American, other race and multiracial populations.

Population by Race

White

Asian

Two or more races

Native Hawaiian or Pacific Islander

Black or African American

Native American

Other race

Race	Population	Percentage (of total)
White	629	81.16%
Asian	85	10.97%
Two or more races	60	7.74%
Native Hawaiian or Pacific Islander	1	0.13%
Black or African American	0	0%
Native American	0	0%
Other race	0	0%

Illinois township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Illinois township's average per capita income is $31,757. Household income levels show a median of $57,483. The poverty rate stands at 2.19%.

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	$61,107	$72,158
Married Families	$61,107	-
Households	$57,483	$66,627
Non Families	-	$20,825

$31,757

Average Income

$57,483

Median Household Income

2.19%

Poverty Rate