Unemployment Rate in Rock County, MN was 3.00% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Rock County, MN reached a record high of 5.90 in March of 2010 and a record low of 1.30 in May of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Rock County, MN - last updated from the United States Federal Reserve on April of 2026.