Willow Springs is a village in Cook County, Illinois, with a small portion in DuPage County. The village was founded in 1892, and was named for the springs along the Des Plaines River. Per the 2020 census, the population was 5,857. Geography Willow Springs is located on the banks of the Des Plaines River and the Chicago Sanitary and Ship Canal. According to the 2021 census gazetteer files, Willow Springs has a total area of , of which (or 97.55%) is land and (or 2.45%) is water. Demographics As of the 2020 census there were 5,857 people, 2,303 households, and 1,494 families residing in the village. The population density was . There were 2,545 housing units at an average density of . The racial makeup of the village was 81.85% White, 1.33% African American, 0.38% Native American, 3.45% Asian, 0.02% Pacific Islander, 3.93% from other races, and 9.05% from two or more races. Hispanic or Latino of any race were 12.21% of the population. There were 2,303 households, out of which 45.90% had children under the age of 18 living with them, 57.27% were married couples living together, 5.08% had a female householder with no husband present, and 35.13% were non-families. 28.88% of all households were made up of individuals, and 10.94% had someone living alone who was 65 years of age or older. The average household size was 3.09 and the average family size was 2.44. The village's age distribution consisted of 21.4% under the age of 18, 3.8% from 18 to 24, 22.9% from 25 to 44, 30.8% from 45 to 64, and 21.1% who were 65 years of age or older. The median age was 46.1 years. For every 100 females, there were 99.2 males. For every 100 females age 18 and over, there were 96.4 males. The median income for a household in the village was $98,664, and the median income for a family was $123,531. Males had a median income of $61,136 versus $58,704 for females. The per capita income for the village was $51,333. About 3.1% of families and 2.6% of the population were below the poverty line, including 2.6% of those under age 18 and 2.3% of those age 65 or over. Note: the US Census treats Hispanic/Latino as an ethnic category. This table excludes Latinos from the racial categories and assigns them to a separate category. Hispanics/Latinos can be of any race.