Unemployment Rate in Clinton County, MO was 3.90% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Clinton County, MO reached a record high of 12.80 in April of 2020 and a record low of 1.80 in May of 1999. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Clinton County, MO - last updated from the United States Federal Reserve on May of 2024.