Gross Domestic Product: Monetary Authorities-Central Bank, Credit Intermediation, and Related Services (NAICS 521-522) in Illinois was 33835.80000 Mil. of $ in January of 2024, according to the United States Federal Reserve. Historically, Gross Domestic Product: Monetary Authorities-Central Bank, Credit Intermediation, and Related Services (NAICS 521-522) in Illinois reached a record high of 33835.80000 in January of 2024 and a record low of 15263.00000 in January of 1997. Trading Economics provides the current actual value, an historical data chart and related indicators for 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.