All Employees: Professional and Business Services: Legal Services in Illinois was 53.77170 Thous. of Persons in March of 2024, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Legal Services in Illinois reached a record high of 57.71941 in June of 2007 and a record low of 46.42517 in October of 1991. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Legal Services in Illinois - last updated from the United States Federal Reserve on April of 2024.