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 and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
White	357	94.44%
Native American	11	2.91%
Two or more races	10	2.65%

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