Unemployment Rate in Calhoun County, IA was 3.00% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Calhoun County, IA reached a record high of 7.40 in February of 2010 and a record low of 1.50 in October of 1990. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Calhoun County, IA - last updated from the United States Federal Reserve on April of 2026.