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 2026 population of 171. Illinois township is currently declining at a rate of 0% annually and its population has increased by 0.59% since the most recent census, which recorded a population of 170 in 2020.

The median household income in Illinois township is $135,313 with a poverty rate of 0%. The median age in Illinois township is 54.1 years: 54.3 years for males, and 51 years for females. For every 100 females there are 100.0 males.

171
Total Population
4.7
Density (mi²)

Illinois township Population

Illinois township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202617100%
202517100%
202417100%
2023171-1-0.58%
202217221.18%
202117000%
2020170-1-0.58%
2019163-2-1.21%
2018165-1-0.6%
2017166-1-0.6%
2016167-2-1.18%
201516900%
2014169-2-1.17%
201317121.18%
2012169-1-0.59%
2011170-3-1.73%
201017300%

Median Age

Overall: 54.1 years
Female: 51 years
Male: 54.3 years

Illinois township Adults

There are 87 adults, (36 of whom are seniors) in Illinois township.

Sex Ratio

Female: 49 (50%)
Male: 49 (50%)

Demographics

The racial composition of Illinois township includes 92.86% White, and smaller percentages for and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White9192.86%
Two or more races77.14%
Race
Population ↓
Percentage (of total)
White9192.86%
Two or more races77.14%

Illinois township Marital Status

Economics and Income Statistics

Illinois township 's average per capita income is $72,188. Household income levels show a median of $135,313. 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$146,250$133,981
Married Families$146,250-
Households$135,313$125,862
Non Families--

$72,188

Average Income

$135,313

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)