illinois | language | english_language <sep> illinois ( (listen) il-in-oy) is a state in the midwestern united states it shares borders with wisconsin to its north, iowa to its northwest, missouri to its southwest, kentucky to its south, and indiana to its east its largest metropolitan areas include the chicago metropolitan area, and the metro east section, of greater st louis other metropolitan areas include peoria and rockford, as well as springfield, its capital 
the language of illinois is the english language.no information