Unemployment Rate in Adams County, ID was 6.80% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Adams County, ID reached a record high of 27.70 in March of 1991 and a record low of 3.00 in August of 2007. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Adams County, ID - last updated from the United States Federal Reserve on April of 2026.