Age-Adjusted Premature Death Rate for St. Johns County, FL was 256.20000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Age-Adjusted Premature Death Rate for St. Johns County, FL reached a record high of 356.20000 in January of 2000 and a record low of 237.10000 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Age-Adjusted Premature Death Rate for St. Johns County, FL - last updated from the United States Federal Reserve on May of 2024.