Unemployment Rate in Stephenson County, IL was 5.90% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Stephenson County, IL reached a record high of 13.60 in January of 2010 and a record low of 3.30 in May of 1996. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Stephenson County, IL - last updated from the United States Federal Reserve on May of 2024.