
Henry township
- County:
- Marshall County
- County Seat:
- No
- Area (mi²):
- 14.597
- State:
- Illinois
Henry township is located in Marshall County, Illinois. Henry township has a 2025 population of 2,554. Henry township is currently declining at a rate of 0% annually and its population has decreased by -0.43% since the most recent census, which recorded a population of 2,565 in 2020.
The average household income in Henry township is $75,423 with a poverty rate of 14.64%. The median age in Henry township is 40.8 years: 40.4 years for males, and 42.4 years for females.