The 89th district covers all or parts of Adeline, Apple Canyon Lake, Apple River, Cedarville, Chadwick, Coleta, Dakota, Davis, Durand, East Dubuque, Elizabeth, Forreston, Freeport, Galena, The Galena Territory, German Valley, Hanover, Lake Summerset, Lanark, Leaf River, Lena, Menominee, Milledgeville, Mount Carroll, Mount Morris, Nora, Orangeville, Pearl City, Pecatonica, Ridott, Rock City, Rockford, Scales Mound, Shannon, Stockton, Warren, Winnebago, and Winslow.