Unemployment Rate in Belmont County, OH was 4.60% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Belmont County, OH reached a record high of 16.50 in April of 2020 and a record low of 3.80 in May of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Belmont County, OH - last updated from the United States Federal Reserve on April of 2026.