Bolingbrook is a village in Will and DuPage counties in the U.S. state of Illinois. It is a southwest suburb of Chicago on I-55 and Historic Route 66 (Frontage Road). The village was a new town built on the Gateway Wetlands west of the Des Plaines River in the 1960s. Bolingbrook experienced rapid growth in the 1980s and 1990s, and eventually became the second largest town in the county after Joliet. Per the 2020 census, the population was 73,922. As of 2010, it is the 17th largest incorporated place in Illinois and the state's 2nd largest village. Geography Bolingbrook is approximately 28 miles southwest of Downtown Chicago. According to the 2021 census gazetteer files, Bolingbrook has a total area of , of which (or 99.18%) is land and (or 0.82%) is water. Bolingbrook borders the communities of Woodridge, Romeoville, Plainfield, Naperville, and Darien. Interstate 55, locally the Stevenson Expressway, runs through the southern part of the village heading northeast toward Chicago and southwest toward Plainfield and Joliet. Interstate 355, also known as the Veterans Memorial Tollway (formerly the North-South Tollway), runs along the far east side of the village between New Lenox and Addison. Illinois Route 53, locally known as Bolingbrook Drive, runs north–south through the middle of the village. Other main streets in Bolingbrook include Boughton Road, Lily Cache Lane, Weber Road, Veterans Parkway (formerly Naperville Road), Briarcliff Road, Hassert Boulevard (formerly 111th Street), Rodeo Drive (formerly 119th Street), Schmidt Road, Crossroads Parkway, and Remington Boulevard. Demographics As of the 2020 census there were 73,922 people, 23,165 households, and 18,354 families residing in the village. The population density was . There were 24,408 housing units at an average density of . The racial makeup of the village was 40.12% White, 19.49% African American, 0.89% Native American, 13.89% Asian, 0.02% Pacific Islander, 12.71% from other races, and 12.89% from two or more races. Hispanic or Latino of any race were 26.85% of the population. There were 23,165 households, out of which 70.02% had children under the age of 18 living with them, 60.17% were married couples living together, 14.53% had a female householder with no husband present, and 20.77% were non-families. 16.40% of all households were made up of individuals, and 5.86% had someone living alone who was 65 years of age or older. The average household size was 3.62 and the average family size was 3.19. The village's age