Willow Lake is a city located in South Dakota. With a 2020 population of 246, it is the 167th largest city in South Dakota and the 16022nd largest city in the United States. Willow Lake is currently growing at a rate of 0.82% annually but its population has decreased by -6.46% since the most recent census, which recorded a population of 263 in 2010. Willow Lake reached it's highest population of 260 in 2010. Spanning over 0 miles, Willow Lake has a population density of 661 people per square mile.
The average household income in Willow Lake is $44,864 with a poverty rate of 20.39%. The median rental costs in recent years comes to $563 per month, and the median house value is $55,900. The median age in Willow Lake is 26.2 years, 27.3 years for males, and 24.4 years for females. For every 100 females there are 69.6 males.