Illinois township

County:: Nemaha County
County Seat:: No
Area (mi²):: 35.785
State:: Kansas

Illinois township is located in Nemaha County, Kansas. Illinois township has a 2025 population of 519. Illinois township is currently declining at a rate of -0.95% annually and its population has decreased by -3.71% since the most recent census, which recorded a population of 539 in 2020.

The average household income in Illinois township is $92,387 with a poverty rate of 4.9%. The median age in Illinois township is 43 years: 50.5 years for males, and 42.1 years for females.

Demographics

The racial composition of Illinois township includes 94.44% White, and smaller percentages for Native American, Two or more races, Black or African American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Native American

Two or more races

Black or African American

Asian

Native Hawaiian or Pacific Islander

Other race

Race	Population	Percentage (of total)
White	357	94.44%
Native American	11	2.91%
Two or more races	10	2.65%
Black or African American	0	0%
Asian	0	0%
Native Hawaiian or Pacific Islander	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 $51,389. Household income levels show a median of $88,009. The poverty rate stands at 4.9%.

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
Married Families	$89,183	-
Families	$88,798	$104,174
Households	$88,009	$92,387
Non Families	-	$64,009

$51,389

Average Income

$88,009

Median Household Income

4.9%

Poverty Rate