Unemployment Rate in Lake County, CA was 7.00% in February of 2024, according to the United States Federal Reserve. Historically, Unemployment Rate in Lake County, CA reached a record high of 18.10 in December of 2009 and a record low of 4.00 in May of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Lake County, CA - last updated from the United States Federal Reserve on May of 2024.