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 and multiracial populations.

Population by Race

Race
Population
Percentage (of total)
White9292%
Two or more races88%

Illinois township Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

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

Nearby Cities

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)