Northbrook, Illinois

Northbrook is a village in Cook County, Illinois, United States. It is a suburb of Chicago in the greater North Shore, part of a collection of upscale residential communities north of Chicago. The population was 35,222 at the 2020 census. It is within Northfield Township, Illinois, bordering Lake County. When incorporated in 1901, the village was known as Shermerville in honor of Frederick Schermer, who donated the land for its first train station. The village changed its name to Northbrook in 1923 as an effort to improve its public image. The name was chosen because the West Fork of the North Branch of the Chicago River runs through the village. Glenbrook North High School, founded in 1953 as Glenbrook High School, is located in Northbrook. The village is also home to the Northbrook Park District, the Northbrook Court shopping mall, the Ed Rudolph Velodrome, the Chicago Curling Club, and the Northbrook Public Library.