The cities comprised by the 8th district are.... Cities: Antioch, Arlington Heights, Barrington, Bartlett, Cary, Deer Park, Elgin, Fox Lake, Grayslake, Gurnee, Hainsville, Hanover Park, Hawthorn Woods, Hoffman Estates, Ingleside, Island Lake, Kildeer, Lake Barrington, Lake Villa, Lake Zurich, Lindenhurst, Long Grove, Mt. Prospect, Mundelein, Old Mill Creek, Palatine, Park City, Rolling Meadows, Roselle, Round Lake, Round Lake Beach, Round Lake Heights, Round Lake Park, Russell, Schaumburg, Streamwood, Third Lake, Tower Lake, Wadsworth, Wauconda, and Wildwood.