Unemployment Rate in Harmon County, OK was 3.70% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Harmon County, OK reached a record high of 7.00 in February of 1991 and a record low of 1.70 in April of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Harmon County, OK - last updated from the United States Federal Reserve on May of 2024.