Willow River is a city located in Minnesota. With a 2020 population of 408, it is the 538th largest city in Minnesota and the 14187th largest city in the United States. Willow River is currently growing at a rate of 0.99% annually but its population has decreased by -1.69% since the most recent census, which recorded a population of 415 in 2010. Willow River reached it's highest population of 414 in 2010. Spanning over 2 miles, Willow River has a population density of 238 people per square mile.
The average household income in Willow River is $49,039 with a poverty rate of 14.58%. The median rental costs in recent years comes to $738 per month, and the median house value is $123,400. The median age in Willow River is 40.9 years, 40.9 years for males, and 40.8 years for females. For every 100 females there are 116.3 males.