
McLeansboro township
- County:
- Hamilton County
- County Seat:
- No
- Area (mi²):
- 35.582
- State:
- Illinois
McLeansboro township is located in Hamilton County, Illinois. McLeansboro township has a 2025 population of 3,565. McLeansboro township is currently declining at a rate of -0.92% annually and its population has decreased by -3.05% since the most recent census, which recorded a population of 3,677 in 2020.
The average household income in McLeansboro township is $79,275 with a poverty rate of 16.15%. The median age in McLeansboro township is 41.5 years: 39.7 years for males, and 45.9 years for females.