How much soy does Illinois produce? As of 2021, Illinois is the top soybean producing state with an average yield of 64 bushels per acre, totaling approximately 672.6 million bushels. ILSoybean2022-09-29T20:09:01+00:00September 29, 2022|FAQ| Share This Story, Choose Your Platform! FacebookXLinkedInWhatsAppPinterestEmail About the Author: ILSoybean