Real Gross Domestic Product: All Industry Total in Illinois was 924143.50000 Mil. of Chn. 2009 $ in January of 2026, according to the United States Federal Reserve. Historically, Real Gross Domestic Product: All Industry Total in Illinois reached a record high of 924143.50000 in January of 2026 and a record low of 735610.70000 in January of 2009. Trading Economics provides the current actual value, an historical data chart and related indicators for Real Gross Domestic Product: All Industry Total in Illinois - last updated from the United States Federal Reserve on August of 2026.