Unemployment Rate in Knox County, OH was 4.20% in March of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Knox County, OH reached a record high of 11.60 in January of 2010 and a record low of 2.80 in November of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Knox County, OH - last updated from the United States Federal Reserve on June of 2024.