Age-Adjusted Premature Death Rate for Stephenson County, IL was 463.60000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Age-Adjusted Premature Death Rate for Stephenson County, IL reached a record high of 463.60000 in January of 2020 and a record low of 262.20000 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for Age-Adjusted Premature Death Rate for Stephenson County, IL - last updated from the United States Federal Reserve on May of 2024.