Unemployment Rate in Seneca County, OH was 4.30% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Seneca County, OH reached a record high of 19.10 in April of 2020 and a record low of 3.10 in November of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Seneca County, OH - last updated from the United States Federal Reserve on May of 2024.