Unemployment Rate in Kern County, CA was 8.30% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Kern County, CA reached a record high of 18.70 in April of 2020 and a record low of 6.00 in September of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for Unemployment Rate in Kern County, CA - last updated from the United States Federal Reserve on April of 2026.