All Employees: Manufacturing in Illinois was 575.60000 Thous. of Persons in March of 2025, according to the United States Federal Reserve. Historically, All Employees: Manufacturing in Illinois reached a record high of 929.50000 in June of 1990 and a record low of 530.90000 in April of 2020. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Manufacturing in Illinois - last updated from the United States Federal Reserve on April of 2026.