Unemployment Rate in Hardin County, OH was 4.40% in March of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Hardin County, OH reached a record high of 18.60 in April of 2020 and a record low of 3.10 in December of 1999. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Hardin County, OH - last updated from the United States Federal Reserve on May of 2024.