Premature Death Rate for New Castle County, DE was 504.80000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for New Castle County, DE reached a record high of 504.80000 in January of 2020 and a record low of 365.00000 in January of 2007. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for New Castle County, DE - last updated from the United States Federal Reserve on May of 2024.