Real Gross Domestic Product: Monetary Authorities-Central Bank, Credit Intermediation, and Related Services (NAICS 521-522) in Illinois was 22370.60000 Mil. of Chn. 2009 $ in January of 2024, according to the United States Federal Reserve. Historically, Real Gross Domestic Product: Monetary Authorities-Central Bank, Credit Intermediation, and Related Services (NAICS 521-522) in Illinois reached a record high of 40055.30000 in January of 2012 and a record low of 22317.00000 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Real Gross Domestic Product: Monetary Authorities-Central Bank, Credit Intermediation, and Related Services (NAICS 521-522) in Illinois - last updated from the United States Federal Reserve on April of 2026.