Unemployment Rate in Union County, OH was 3.60% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Union County, OH reached a record high of 14.80 in April of 2020 and a record low of 2.30 in May of 2001. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Union County, OH - last updated from the United States Federal Reserve on May of 2024.