Illinois township is located in Nemaha County, Kansas. Illinois township has a 2026 population of 524. Illinois township is currently declining at a rate of -0.19% annually and its population has decreased by -2.6% since the most recent census, which recorded a population of 538 in 2020.
The median household income in Illinois township is $88,125 with a poverty rate of 3.55%. The median age in Illinois township is 42.2 years: 50.1 years for males, and 38.5 years for females. For every 100 females there are 81.5 males.
Data after 2023 is projected based on recent change
Overall: 42.2 years
Female: 38.5 years
Male: 50.1 years
There are 302 adults, (105 of whom are seniors) in Illinois township.
Female: 249 (55.1%)
Male: 203 (44.9%)
The racial composition of Illinois township includes 96.68% White, and smaller percentages for Native American, Two or more races and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 437 | 96.68% |
| Native American | 9 | 1.99% |
| Two or more races | 6 | 1.33% |
Illinois township 's average per capita income is $50,179. Household income levels show a median of $88,125. The poverty rate stands at 3.55%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $93,077 | - |
| Families | $91,875 | $108,447 |
| Households | $88,125 | $97,287 |
| Non Families | - | $53,358 |
Average Income
Median Household Income
Poverty Rate