San Bernardino County, California
San Bernardino County ( SAN BUR-nə-DEE-noh), officially the County of San Bernardino, is located in the southern portion of the U.S. state of California, and is located within the Inland Empire area. As of the 2020 United States census, the population was 2,181,654, making it the fifth-most populous county in California, and the 14th-most populous in the United States. As part of the Greater Los Angeles area, San Bernardino County is included in the Riverside–San Bernardino–Fontana metropolitan statistical area, and has San Bernardino as its county seat.
With an area of 20,105 square miles (52,070 km2), San Bernardino County is the largest county in the contiguous United States by area. However, some of Alaska's boroughs and census areas are larger. The county is close to the size of West Virginia or the country of Bosnia and Herzegovina, and spans an area from south of the San Bernardino Mountains in San Bernardino Valley, to the Nevada border and the Colorado River.
89% of the population resides in three Census County Divisions (Fontana, San Bernardino, and Victorville-Hesperia), counting 1.93 million people as of the 2020 Census across just 9% of the county area. With a population that is 53.7% Hispanic, it is California's most populous majority-Hispanic county and the second-largest nationwide.