Premature Death Rate for Jefferson County, MO was 613.70000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for Jefferson County, MO reached a record high of 613.70000 in January of 2020 and a record low of 379.90000 in January of 2004. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for Jefferson County, MO - last updated from the United States Federal Reserve on May of 2024.