
Fall River township
- County:
- LaSalle County
- County Seat:
- No
- Area (mi²):
- 20.187
- State:
- Illinois
Fall River township is located in LaSalle County, Illinois. Fall River township has a 2025 population of 792. Fall River township is currently growing at a rate of 0.38% annually and its population has increased by 0.25% since the most recent census, which recorded a population of 790 in 2020.
The average household income in Fall River township is $109,092 with a poverty rate of 2.18%. The median age in Fall River township is 56.6 years: 56.9 years for males, and 56.5 years for females.