Unemployment Rate in Coles County, IL was 4.50% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Coles County, IL reached a record high of 12.60 in April of 2020 and a record low of 2.40 in November of 1994. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Coles County, IL - last updated from the United States Federal Reserve on April of 2026.