Premature Death Rate for Boone County, IL was 430.10000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for Boone County, IL reached a record high of 430.10000 in January of 2020 and a record low of 272.70000 in January of 2003. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for Boone County, IL - last updated from the United States Federal Reserve on May of 2024.