Tehama County (pronounced teh-HAY-muh) is a county located in the U.S. state of California. As of 2000 its population was 56,039. The county seat is Red Bluff.
History
Tehama County was formed in 1856. It is bisected by the Sacramento River. The county is named for the City of Tehama. The origin of the name is not known. Suggested possible roots are the Arabic word tehama ("hot low-lands"), the Spanish word tejamanil (shingle), or "high water" in the dialect of local Native Americans.