Unemployment Rate in Harford County, MD was 2.70% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Harford County, MD reached a record high of 8.90 in February of 2010 and a record low of 1.50 in June of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Harford County, MD - last updated from the United States Federal Reserve on May of 2024.