Unemployment Rate in Clark County, IL was 6.30% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Clark County, IL reached a record high of 21.50 in April of 2020 and a record low of 2.70 in July of 1998. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Clark County, IL - last updated from the United States Federal Reserve on May of 2024.