Illinois (statewide) Bloomington-Normal, IL Cape Girardeau-Jackson, MO-IL Champaign-Urbana, IL Chicago-Joliet-Naperville, IL Metropolitan Division Chicago-Joliet-Naperville, IL-IN-WI Danville, IL Davenport-Moline-Rock Island, IA-IL Decatur, IL Gary, IN Metropolitan Division Kankakee-Bradley, IL Lake County-Kenosha County, IL-WI Metropolitan Division 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