
Ash Grove township
- County:
- Iroquois County
- County Seat:
- No
- Area (mi²):
- 61.031
- State:
- Illinois
Ash Grove township is located in Iroquois County, Illinois. Ash Grove township has a 2025 population of 618. Ash Grove township is currently declining at a rate of -1.28% annually and its population has decreased by -5.07% since the most recent census, which recorded a population of 651 in 2020.
The average household income in Ash Grove township is $89,391 with a poverty rate of 7.64%. The median age in Ash Grove township is 37.3 years: 33 years for males, and 39.3 years for females.