San Bernardino -- U.S. County in California Population (2000): 1709434 Housing Units (2000): 601369 Land area (2000): 20052.495900 sq. miles (51935.723751 sq. km) Water area (2000): 52.820086 sq. miles (136.803389 sq. km) Total area (2000): 20105.315986 sq. miles (52072.527140 sq. km) Located within: California (CA), FIPS 06 Location: 34.392344 N, 116.982433 W Headwords: San Bernardino San Bernardino, CA San Bernardino County San Bernardino County, CA