Real Gross Domestic Product: All Industry Total in Illinois was 910910.80000 Mil. of Chn. 2009 $ in April of 2025, according to the United States Federal Reserve. Historically, Real Gross Domestic Product: All Industry Total in Illinois reached a record high of 910910.80000 in April of 2025 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 February of 2026.