San Bernardino County, California

San Bernardino County
County
County of San Bernardino
Images, from top down, left to right: San Bernardino County Court House, Big Bear Lake, Calico ghost town, a view of the San Bernardino Mountains range from San Gorgonio Wilderness
Flag Coat of arms
Location in the U.S. state of California
California's location in the contiguous United States
Country	United States
State	California
Established	April 26, 1853[1]
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
Area
• Total	20,105 sq mi (52,070 km2)
• Land	20,057 sq mi (51,950 km2)
• Water	48 sq mi (120 km2)
Highest elevation [2]	11,503 ft (3,506 m)
Population  (2010)[3]
• Total	2,035,210
• Estimate  (2019)[4]	2,180,085
• 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
FIPS code	06-071
Website	www.sbcounty.gov

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,^[3] making it the fifth-most populous county in California and the 14th-most populous in the United States. The county seat is San Bernardino.^[5]

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.