Unemployment Rate in Lake County, OH was 3.40% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Lake County, OH reached a record high of 19.60 in April of 2020 and a record low of 1.20 in August of 1998. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Lake County, OH - last updated from the United States Federal Reserve on April of 2026.