Unemployment Rate in Corson County, SD was 3.50% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Corson County, SD reached a record high of 33.20 in June of 1992 and a record low of 1.40 in March of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Corson County, SD - last updated from the United States Federal Reserve on May of 2024.