Unemployment Rate in Tehama County, CA was 6.10% in December of 2025, according to the United States Federal Reserve. Historically, Unemployment Rate in Tehama County, CA reached a record high of 17.60 in March of 2010 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 Tehama County, CA - last updated from the United States Federal Reserve on April of 2026.