River Falls
- County:
- Pierce County
- County Seat:
- No
- Area (mi²):
- 7.457
- State:
- Wisconsin
River Falls is a city located in Pierce County, Wisconsin. River Falls has a 2026 population of 17,802. River Falls is currently growing at a rate of 2.94% annually and its population has increased by 9.11% since the most recent census, which recorded a population of 16,315 in 2020.