All Employees: Construction: Construction of Buildings in Illinois was 47.61078 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, All Employees: Construction: Construction of Buildings in Illinois reached a record high of 61.30486 in December of 2004 and a record low of 37.34567 in April of 2013. Trading Economics provides the current actual value, an historical data chart and related indicators for All Employees: Construction: Construction of Buildings in Illinois - last updated from the United States Federal Reserve on March of 2024.