The 18th Legislative District includes sections of Alsip, Chicago, Chicago Ridge, Evergreen Park, Merrionette Park, Oak Lawn, Orland Park, Palos Heights, Palos Hills, Palos Park, Willow Springs and Worth.
The 18th Legislative District includes sections of Alsip, Chicago, Chicago Ridge, Evergreen Park, Merrionette Park, Oak Lawn, Orland Park, Palos Heights, Palos Hills, Palos Park, Willow Springs and Worth.