Unemployment Rate in Marshall County, SD was 3.70% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Marshall County, SD reached a record high of 10.40 in February of 2009 and a record low of 1.50 in October of 1996. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Marshall County, SD - last updated from the United States Federal Reserve on May of 2024.