
Harrison township
- County:
- Winnebago County
- County Seat:
- No
- Area (mi²):
- 24.635
- State:
- Illinois
Harrison township is located in Winnebago County, Illinois. Harrison township has a 2025 population of 596. Harrison township is currently declining at a rate of -0.33% annually and its population has decreased by -2.13% since the most recent census, which recorded a population of 609 in 2020.
The average household income in Harrison township is $119,140 with a poverty rate of 0%. The median age in Harrison township is 57.2 years: 67.2 years for males, and 51.3 years for females.