All Employees: Construction in Illinois was 222.30000 Thous. of Persons in January of 2021, according to the United States Federal Reserve. Historically, All Employees: Construction in Illinois reached a record high of 277.60000 in January of 2002 and a record low of 189.10000 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Construction in Illinois - last updated from the United States Federal Reserve on March of 2024.