
Willow River
- County:
- Pine County
- County Seat:
- No
- Area (mi²):
- 1.753
- State:
- Minnesota
Willow River is a city located in Pine County, Minnesota. Willow River has a 2025 population of 402. Willow River is currently growing at a rate of 1.01% annually and its population has increased by 4.69% since the most recent census, which recorded a population of 384 in 2020.
The average household income in Willow River is $69,143 with a poverty rate of 8.26%. The median age in Willow River is 37.3 years: 34.5 years for males, and 39.9 years for females.