All Employees: Construction: Construction of Buildings in Illinois was 45.40000 Thous. of Persons in February of 2022, according to the United States Federal Reserve. Historically, All Employees: Construction: Construction of Buildings in Illinois reached a record high of 62.30000 in August of 2003 and a record low of 34.90000 in February 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 April of 2024.