The 73rd district, located in the Peoria metropolitan area, covers all or parts of Bay View Gardens, Bradford, Brimfield, Buda, Chillicothe, Dana, Dunlap, Elmwood, Germantown Hills, Henry, Hopewell, La Fayette, La Rose, Lacon, Leonore, Lostant, Metamora, Neponset, Peoria, Peoria Heights, Princeville, Roanoke, Rome, Rutland, Sparland, Spring Bay, Tiskilwa, Toluca, Toulon, Varna, Washburn, Wenona, Wyanet, and Wyoming.