Illinois township Flag

Illinois township

County:
Sedgwick County
County Seat:
No
Area (mi²):
35.404
State:
Kansas

Illinois township is located in Sedgwick County, Kansas. Illinois township has a 2026 population of 2,214. Illinois township is currently growing at a rate of 1.75% annually and its population has increased by 9.17% since the most recent census, which recorded a population of 2,028 in 2020.

The median household income in Illinois township is $105,556 with a poverty rate of 7.82%. The median age in Illinois township is 39.7 years: 41.8 years for males, and 33.5 years for females. For every 100 females there are 90.6 males.

2.2K
Total Population
63
Density (mi²)
38 1.75%
Growth

Illinois township Population

Illinois township Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20262,214381.75%
20252,176381.78%
20242,138381.81%
20232,100673.3%
20222,03330.15%
20212,03020.1%
20202,02890.45%
20191,952392.04%
20181,91310.05%
20171,912-2-0.1%
20161,91440.21%
20151,91080.42%
20141,90290.48%
20131,893100.53%
20121,883150.8%
20111,86880.43%
20101,86330.16%

Median Age

Overall: 39.7 years
Female: 33.5 years
Male: 41.8 years

Illinois township Adults

There are 1,358 adults, (515 of whom are seniors) in Illinois township.

Sex Ratio

Female: 1,080 (52.5%)
Male: 978 (47.5%)

Demographics

The racial composition of Illinois township includes 97.38% White, and smaller percentages for Two or more races, Asian, Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
White2,00497.38%
Two or more races391.9%
Asian120.58%
Native American30.15%
Race
Population ↓
Percentage (of total)
White36717.83%
Two or more races140.68%
Race
Population ↓
Percentage (of total)
White1,63779.54%
Two or more races251.21%
Asian120.58%
Native American30.15%

Illinois township Marital Status

Economics and Income Statistics

Illinois township 's average per capita income is $61,023. Household income levels show a median of $105,556. The poverty rate stands at 7.82%.

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$106,778$138,490
Households$105,556$133,222
Married Families$105,444-
Non Families$63,750$51,886

$61,023

Average Income

$105,556

Median Household Income

7.82%

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)