All Employees: Office Administrative Services in Illinois was 24.30000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Office Administrative Services in Illinois reached a record high of 25.10000 in January of 2017 and a record low of 9.90000 in January of 1996. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Office Administrative Services in Illinois - last updated from the United States Federal Reserve on April of 2024.