Tehama -- U.S. County in California Population (2000): 56039 Housing Units (2000): 23547 Land area (2000): 2950.987064 sq. miles (7643.021084 sq. km) Water area (2000): 11.283785 sq. miles (29.224867 sq. km) Total area (2000): 2962.270849 sq. miles (7672.245951 sq. km) Located within: California (CA), FIPS 06 Location: 40.123054 N, 122.135340 W Headwords: Tehama Tehama, CA Tehama County Tehama County, CA