Woodridge is a village in DuPage County, Illinois, with small portions in Will and Cook counties, and a southwestern suburb of Chicago. Per the 2020 census, the population was 34,158. The village is just north of the I-55 junction with IL-53. Woodridge was incorporated on August 24, 1959, with less than 500 residents. It is named for its location in a wooded …Woodridge is a village in DuPage County, Illinois, with small portions in Will and Cook counties, and a southwestern suburb of Chicago. Per the 2020 census, the population was 34,158. The village is just north of the I-55 junction with IL-53. Woodridge was incorporated on August 24, 1959, with less than 500 residents. It is named for its location in a wooded area above a steep hillside, locally known as "The Ridge," which overlooks the DuPage River's East Branch and the Des Plaines Valley.