All Employees: Manufacturing in Chicago-Naperville-Arlington Heights, IL (MD) was 279.10000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Manufacturing in Chicago-Naperville-Arlington Heights, IL (MD) reached a record high of 527.70000 in January of 1990 and a record low of 270.20000 in January of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Manufacturing in Chicago-Naperville-Arlington Heights, IL (MD) - last updated from the United States Federal Reserve on April of 2026.