The North boundary is the South side of Devon between Prospect and Rohlwing Road.
The South boundary ends at Lake Street on the west end of the district, Montrose (WoodDale) on the east end of the district, and the area in between extending north from the forest preserve (Campbell Slough) and includes the area between the forest preserve and Bloomingdale Road.
The East boundary is the west side of Prospect Road from Devon in Itasca to Montrose in Wooddale.
The West boundary is Rohlwing Road south from Devon to Bloomingdale/Nordic Road. At that point, the west boundary extends along Bloomingdale/Nordic Road on the west side of Nordic Hills.