All Employees: Professional and Business Services: Advertising, Public Relations, and Related Services in Illinois was 31.30000 Thous. of Persons in March of 2022, according to the United States Federal Reserve. Historically, All Employees: Professional and Business Services: Advertising, Public Relations, and Related Services in Illinois reached a record high of 34.80000 in June of 2018 and a record low of 25.30000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Professional and Business Services: Advertising, Public Relations, and Related Services in Illinois - last updated from the United States Federal Reserve on March of 2024.