
Wethersfield township
- County:
- Henry County
- County Seat:
- No
- Area (mi²):
- 35.562
- State:
- Illinois
Wethersfield township is located in Henry County, Illinois. Wethersfield township has a 2025 population of 3,699. Wethersfield township is currently declining at a rate of -0.38% annually and its population has decreased by -2.5% since the most recent census, which recorded a population of 3,794 in 2020.
The average household income in Wethersfield township is $82,403 with a poverty rate of 3.74%. The median age in Wethersfield township is 45.7 years: 47.2 years for males, and 43.8 years for females.