
Odin township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 18.006
- State:
- Illinois
Odin township is located in Marion County, Illinois. Odin township has a 2025 population of 1,525. Odin township is currently declining at a rate of -0.52% annually and its population has decreased by -3.36% since the most recent census, which recorded a population of 1,578 in 2020.
The average household income in Odin township is $75,061 with a poverty rate of 12.26%. The median age in Odin township is 45.3 years: 41.7 years for males, and 49.6 years for females.