
Hanover township
- County:
- Jo Daviess County
- County Seat:
- No
- Area (mi²):
- 52.03
- State:
- Illinois
Hanover township is located in Jo Daviess County, Illinois. Hanover township has a 2025 population of 1,157. Hanover township is currently declining at a rate of -0.52% annually and its population has decreased by -2.85% since the most recent census, which recorded a population of 1,191 in 2020.
The average household income in Hanover township is $55,888 with a poverty rate of 27.98%. The median age in Hanover township is 42.8 years: 37.9 years for males, and 50.4 years for females.