Addison is one of nine townships located in DuPage County. The boundaries are Devon Ave. on the north. Rohlwing Rd.(old Rt. 53) on the west. North Ave. on the south. Countyline Rd. on the east. It includes all or part of the following communities: Addison, Bensenville, Chicago (a portion of O’Hare airport), Elmhurst (North of North Ave.), Elk Grove Village (South of Devon Ave.), Itasca, Lombard (North of North Ave, East of Rt. 53), Villa Park (North of North Ave.), and Wood Dale.