Average Weekly Hours of Production Employees: Manufacturing in Illinois was 42.90000 Hours per Week in March of 2022, according to the United States Federal Reserve. Historically, Average Weekly Hours of Production Employees: Manufacturing in Illinois reached a record high of 43.60000 in December of 2015 and a record low of 39.20000 in July of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for Average Weekly Hours of Production Employees: Manufacturing in Illinois - last updated from the United States Federal Reserve on March of 2024.