Premature Death Rate for Merrimack County, NH was 455.40000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for Merrimack County, NH reached a record high of 455.40000 in January of 2020 and a record low of 311.80000 in January of 2004. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for Merrimack County, NH - last updated from the United States Federal Reserve on May of 2024.