All Employees: Educational Services: Colleges, Universities, and Professional Schools in Illinois was 82.70000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, All Employees: Educational Services: Colleges, Universities, and Professional Schools in Illinois reached a record high of 85.30000 in January of 2016 and a record low of 50.90000 in January of 1994. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Educational Services: Colleges, Universities, and Professional Schools in Illinois - last updated from the United States Federal Reserve on April of 2024.