Unemployment Rate in Marion County, SC was 5.20% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Marion County, SC reached a record high of 22.20 in December of 2009 and a record low of 2.90 in September of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Marion County, SC - last updated from the United States Federal Reserve on May of 2024.