Tehama County is a county located in Northern California. It is bisected by the Sacramento River. As of 2000 its population was 56,039. The county seat is Red Bluff. According to the U.S. Census Bureau, the county has a total area of 7,672 km² (2,962 mi²). 7,643 km² (2,951 mi²) of it is land and 29 km² (11 mi²) of it is water. The total area is 0.38% water. As of the census2 of 2000, there were 56,039 people, 21,013 households, and 14,898 families residing in the county. The population density was 7/km² (19/mi²). There were 23,547 housing units at an average density of 3/km² (8/mi²). The racial makeup of the county was 84.79% White, 0.57% Black or African American, 2.10% Native American, 0.79% Asian, 0.10% Pacific Islander, 8.26% from other races, and 3.39% from two or more races. 15.83% of the population were Hispanic or Latino of any race.