All Employees: Computer Systems Design and Related Services in Illinois was 89.70000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Computer Systems Design and Related Services in Illinois reached a record high of 92.60000 in January of 2022 and a record low of 26.60000 in January of 1992. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Computer Systems Design and Related Services in Illinois - last updated from the United States Federal Reserve on April of 2024.