
Illinois township
- County:
- Rush County
- County Seat:
- No
- Area (mi²):
- 48.02
- State:
- Kansas
Illinois township is located in Rush County, Kansas. Illinois township has a 2025 population of 43. Illinois township is currently declining at a rate of -4.44% annually and its population has decreased by -12.24% since the most recent census, which recorded a population of 49 in 2020.
The average household income in Illinois township is $106,013 with a poverty rate of 0%. The median age in Illinois township is 34.3 years: 0 years for males, and 0 years for females.