Willow river is located in Pine county Minnesota with a geographic area of 1.8 square miles. The total population in Willow river is 370 with 51.1% male and 48.9% female. Children under age 5 represent 1.9% of the population, under age 18 equal 21.4% of the population and over age 65 is 17.3% of the population. The median household income is $38,333, per capita income is $25,061. There are a total of 166 housing units with 62.7% owner occupied. Education includes 32.5% of residents that are high school graduates and 12.7% with a bachelor's degree or higher. The average temperature in Willow river in the summer is 65 degrees, and in the winter 9 degrees.