Premature Death Rate for Napa County, CA was 340.00000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for Napa County, CA reached a record high of 345.00000 in January of 1999 and a record low of 287.90000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for Napa County, CA - last updated from the United States Federal Reserve on May of 2024.