Unemployment Rate in Guernsey County, OH was 5.30% in December of 2025, 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 3.90 in May of 2023. 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 February of 2026.