
Carrigan township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 35.105
- State:
- Illinois
Carrigan township is located in Marion County, Illinois. Carrigan township has a 2025 population of 354. Carrigan township is currently declining at a rate of 0% annually and its population has decreased by -2.21% since the most recent census, which recorded a population of 362 in 2020.
The average household income in Carrigan township is $109,538 with a poverty rate of 4.94%. The median age in Carrigan township is 44.9 years: 48.1 years for males, and 39.5 years for females.