After the city of Gary was founded in 1906, the county built a bridge across the Little Calumet to extend Broadway to Glen Park.

[3] The portion of Glen Park north of 45th Avenue was annexed shortly thereafter, and the southern part followed in 1926.

[5] After Richard Hatcher became Gary's first Black mayor in 1967, a group of Glen Park citizens attempted to disannex from the city.

[7] Glen Park is home to Indiana University Northwest and the Gary campus of Ivy Tech Community College.

Bike trails cross the northern and southern edges of the neighborhood, and there are numerous city parks including the Gleason golf course; the Little Calumet floodplain also provides significant greenspace.