Premature Death Rate for St. Croix County, WI was 322.40000 Rate per 100,000 in January of 2020, according to the United States Federal Reserve. Historically, Premature Death Rate for St. Croix County, WI reached a record high of 322.40000 in January of 2020 and a record low of 211.40000 in January of 2006. Trading Economics provides the current actual value, an historical data chart and related indicators for Premature Death Rate for St. Croix County, WI - last updated from the United States Federal Reserve on May of 2024.