The 118th district includes all or parts of Anna, Belknap, Belle Prairie City, Brookport, Broughton, Buncombe, Burnside, Cairo, Carbondale, Carrier Mills, Cave-In-Rock, Cypress, Dahlgren, Dongola, East Cape Girardeau, Eddyville, Eldorado, Elizabethtown, Equality, Galatia, Golconda, Goreville, Harrisburg, Joppa, Junction, Karnak, Makanda, Marion, McClure, McLeansboro, Metropolis, Mound City, Mounds, New Grand Chain, New Haven, Old Shawneetown, Olive Branch, Olmsted, Omaha, Pulaski, Raleigh, Ridgway, Rosiclare, Shawneetown, Simpson, Stonefort, Tamms, Thebes, Ullin, and Vienna.