Denver County, CO - Unemployment Rate in Denver County/City, CO was 4.50% in January of 2026, according to the United States Federal Reserve. Historically, Denver County, CO - Unemployment Rate in Denver County/City, CO reached a record high of 13.10 in May of 2020 and a record low of 2.10 in April 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 May of 2026.