
Carlyle township
- County:
- Clinton County
- County Seat:
- No
- Area (mi²):
- 17.808
- State:
- Illinois
Carlyle township is located in Clinton County, Illinois. Carlyle township has a 2025 population of 3,727. Carlyle township is currently declining at a rate of -0.69% annually and its population has decreased by -2.64% since the most recent census, which recorded a population of 3,828 in 2020.
The average household income in Carlyle township is $101,477 with a poverty rate of 6.36%. The median age in Carlyle township is 37.2 years: 35.7 years for males, and 38.9 years for females.