County
County of Los Angeles
Images, from top down, left to right: Downtown Los Angeles in December 2007, Venice, Los Angeles during sunset, Rodeo Drive in Beverly Hills, CA, Satellite picture of Santa Catalina Island, the Santa Monica Pier, Angeles National Forest, Vasquez Rocks, Antelope Valley California Poppy Reserve
Flag Seal
Location of the county in California
California's location in the contiguous United States
Coordinates: 34°3′N 118°15′W / 34.050°N 118.250°W / 34.050; -118.250Coordinates: 34°3′N 118°15′W / 34.050°N 118.250°W / 34.050; -118.250
Country	United States
State	California
Region	Southern California
Metro area	Greater Los Angeles
Formed	February 18, 1850
Named for	The Los Angeles, which was named for Our Lady, Queen of the Angels
County seat	Los Angeles
Largest city	Los Angeles
Incorporated cities	88
Government
• Type	Council–manager
• Body	Board of Supervisors
• Board of Supervisors	Supervisors Hilda Solis Mark Ridley-Thomas Sheila Kuehl Janice Hahn Kathryn Barger
• Chief executive officer	Sachi A. Hamai
Area
• Total	4,751 sq mi (12,310 km2)
• Land	4,058 sq mi (10,510 km2)
• Water	693 sq mi (1,790 km2)
Highest elevation	10,068 ft (3,069 m)
Lowest elevation	0 ft (0 m)
Population  (April 1, 2010)
• Total	9,818,605
• Estimate  (2017)	10,163,507
• Density	2,066.64/sq mi (797.93/km2)
Time zone	UTC-8 (Pacific Time Zone)
• Summer (DST)	UTC-7 (Pacific Daylight Time)
ZIP codes	90001–90899, 91001–93599
FIPS code	06-037
GNIS feature ID	277283
GDP	$664 billion
Website	www.lacounty.gov

Los Angeles County is a county in California and is by far the most populous county in the United States. There are more than 10 million people living there. Its population is larger than that of 41 individual U.S. states. It is the third-biggest metropolitan economy in the world, with a Nominal GDP of over $700 billion larger than the GDPs of Belgium, Norway, and Taiwan.

The county seat is the City of Los Angeles.