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 2026 population of 633. Ash Grove township is currently growing at a rate of 0.16% annually but its population has decreased by -2.76% since the most recent census, which recorded a population of 651 in 2020.
The median household income in Ash Grove township is $77,500 with a poverty rate of 7.55%. The median age in Ash Grove township is 46.1 years: 49.5 years for males, and 44.2 years for females. For every 100 females there are 89.2 males.