Illinois township

County:: Sedgwick County
County Seat:: No
Area (mi²):: 35.404
State:: Kansas

Illinois township is located in Sedgwick County, Kansas. Illinois township has a 2025 population of 2,211. Illinois township is currently growing at a rate of 2.79% annually and its population has increased by 9.08% since the most recent census, which recorded a population of 2,027 in 2020.

The average household income in Illinois township is $133,413 with a poverty rate of 7.71%. The median age in Illinois township is 42.3 years: 47.8 years for males, and 38.1 years for females.

Demographics

The racial composition of Illinois township includes 94.52% White, and smaller percentages for other race, Two or more races, Asian, Native American, Black or African American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

White

Other race

Two or more races

Asian

Native American

Black or African American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
White	1,913	94.52%
Other race	58	2.87%
Two or more races	41	2.03%
Asian	7	0.35%
Native American	5	0.25%
Black or African American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Illinois township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Illinois township's average per capita income is $55,233. Household income levels show a median of $104,152. The poverty rate stands at 7.71%.

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	$104,911	$138,937
Households	$104,152	$133,413
Married Families	$103,728	-
Non Families	$20,000	$22,212

$55,233

Average Income

$104,152

Median Household Income

7.71%

Poverty Rate