Unemployment Rate in Marion County, IA was 2.50% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Marion County, IA reached a record high of 9.10 in August of 2009 and a record low of 1.50 in April of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Marion County, IA - last updated from the United States Federal Reserve on May of 2024.