Illinois (statewide) Bloomington, IL Cape Girardeau, MO-IL Carbondale-Marion, IL Champaign-Urbana, IL Chicago-Naperville-Elgin, IL-IN-WI Danville, IL Davenport-Moline-Rock Island, IA-IL Decatur, IL Kankakee, IL Peoria, IL Rockford, IL St. Louis, MO-IL Springfield, IL Northwest Illinois nonmetropolitan area West Central Illinois nonmetropolitan area East Central Illinois nonmetropolitan area South Illinois nonmetropolitan area