Willow Lake is located in South Dakota. Willow Lake, South Dakota has a population of 357. Willow Lake is more family-centric than the surrounding county with 44.16% of the households containing married families with children. The county average for households married with children is 28.6%.
The median household income in Willow Lake, South Dakota is $44,000. The median household income for the surrounding county is $47,500 compared to the national median of $57,652. The median age of people living in Willow Lake is 27 years.
The average high temperature in July is 82.4 degrees, with an average low temperature in January of 3.1 degrees. The average rainfall is approximately 24 inches per year, with 45 inches of snow per year.
