Unemployment Rate in Guernsey County, OH was 4.00% in July of 2026, according to the United States Federal Reserve. Historically, Unemployment Rate in Guernsey County, OH reached a record high of 16.70 in June of 1992 and a record low of 3.10 in May of 2026. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Guernsey County, OH - last updated from the United States Federal Reserve on September of 2026.