San Bernardino County
|County of San Bernardino|
Location in the U.S. state of California
California's location in the contiguous United States
|Established||April 26, 1853|
|Named for||San Bernardino, named for San Bernardino de Sena Estancia, named in turn for Saint Bernardino of Siena|
|County seat||San Bernardino|
|Largest city (Pop.)||San Bernardino|
|Largest city (Area)||Victorville|
|• Total||20,105 sq mi (52,070 km2)|
|• Land||20,057 sq mi (51,950 km2)|
|• Water||48 sq mi (120 km2)|
|Highest elevation||11,503 ft (3,506 m)|
| • Estimate |
|• Density||100/sq mi (39/km2)|
|Time zone||UTC−8 (Pacific Time Zone)|
|• Summer (DST)||UTC−7 (Pacific Daylight Time)|
|Area codes||442/760, 909, 951|
San Bernardino County, officially the County of San Bernardino, is a county located in the southern portion of the U.S. state of California, and is located within the Inland Empire area. As of the 2010 U.S. Census, the population was 2,035,210, making it the fifth-most populous county in California and the 14th-most populous in the United States. The county seat is San Bernardino.
While included within the Greater Los Angeles area, San Bernardino County is included in the Riverside–San Bernardino–Ontario metropolitan statistical area, as well as the Los Angeles–Long Beach combined statistical area.
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, although some of Alaska's boroughs and census areas are larger. The county is close to the size of West Virginia.
This vast county stretches from where the bulk of the county population resides in three Census County Divisions (Fontana, San Bernardino, & Victorville-Hesperia), counting 1,793,186 people as of the 2010 Census, covering the 1,730 square miles (4,480 km2), across the thinly populated deserts and mountains. It spans an area from south of the San Bernardino Mountains in San Bernardino Valley, to the Nevada border and the Colorado River.
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