Illinois township Flag

Illinois township

County:
Sumner County
County Seat:
No
Area (mi²):
36.401
State:
Kansas

Illinois township is located in Sumner County, Kansas. Illinois township has a 2025 population of 170. Illinois township is currently declining at a rate of -0.58% annually and its population has decreased by -0.58% since the most recent census, which recorded a population of 171 in 2020.

The average household income in Illinois township is $122,042 with a poverty rate of 0%. The median age in Illinois township is 54.1 years: 54.3 years for males, and 51.2 years for females.

170
Total Population
5
Density (mi²)
-1 -0.58%
Growth

Illinois township Population

Illinois township Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Illinois township includes 92% White, and smaller percentages for Black or African American, Native American, Asian, Native Hawaiian or Pacific Islander, other race and multiracial populations.

Population by Race

White

Two or more races

Black or African American

Native American

Asian

Native Hawaiian or Pacific Islander

Other race

Race
Population
Percentage (of total)
White9292%
Two or more races88%
Black or African American00%
Native American00%
Asian00%
Native Hawaiian or Pacific Islander00%
Other race00%

Illinois township Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Illinois township's average per capita income is $70,833. Household income levels show a median of $130,313. The poverty rate stands at 0%.

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$150,050$130,835
Married Families$150,050-
Households$130,313$122,042
Non Families--

$70,833

Average Income

$130,313

Median Household Income

0%

Poverty Rate

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)