Denver County, CO - Unemployment Rate in Denver County/City, CO was 4.40% in January of 2024, according to the United States Federal Reserve. Historically, Denver County, CO - Unemployment Rate in Denver County/City, CO reached a record high of 9.50 in January of 2010 and a record low of 2.60 in January of 2017. Trading Economics provides the current actual value, an historical data chart and related indicators for Denver County, CO - Unemployment Rate in Denver County/City, CO - last updated from the United States Federal Reserve on September of 2025.