
Lone Grove township
- County:
- Fayette County
- County Seat:
- No
- Area (mi²):
- 36.861
- State:
- Illinois
Lone Grove township is located in Fayette County, Illinois. Lone Grove township has a 2025 population of 607. Lone Grove township is currently declining at a rate of -0.49% annually and its population has decreased by -2.57% since the most recent census, which recorded a population of 623 in 2020.
The average household income in Lone Grove township is $103,931 with a poverty rate of 5.99%. The median age in Lone Grove township is 53.6 years: 51.7 years for males, and 53.8 years for females.