
Winnebago township
- County:
- Winnebago County
- County Seat:
- No
- Area (mi²):
- 32.926
- State:
- Illinois
Winnebago township is located in Winnebago County, Illinois. Winnebago township has a 2025 population of 4,881. Winnebago township is currently declining at a rate of -0.25% annually and its population has decreased by -1.97% since the most recent census, which recorded a population of 4,979 in 2020.
The average household income in Winnebago township is $124,914 with a poverty rate of 6.27%. The median age in Winnebago township is 46.6 years: 41.5 years for males, and 50 years for females.