Unemployment Rate in Clarke County, IA was 3.20% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Clarke County, IA reached a record high of 11.20 in February of 1993 and a record low of 2.00 in April of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Clarke County, IA - last updated from the United States Federal Reserve on April of 2026.