Los Angeles County, California

Los Angeles County
Nickname(s): 
"LA County", "Metro-LA", "Greater LA"
Coordinates: 34°3′N 118°15′W / 34.050°N 118.250°W / 34.050; -118.250
CountryUnited States
StateCalifornia
RegionSouthern California
Metro areaGreater Los Angeles
FormedFebruary 18, 1850
County seatLos Angeles
Largest cityLos Angeles
Incorporated cities88
Government
  TypeCouncil–CEO
  BodyBoard of Supervisors
  ChairKathryn Barger (R)
  Chair Pro TemHilda Solis (D)
  Board of Supervisors
  Chief Executive OfficerFesia Davenport
Area
  Total
4,751 sq mi (12,310 km2)
  Land4,058 sq mi (10,510 km2)
  Water693 sq mi (1,790 km2)
Highest elevation
10,068 ft (3,069 m)
Lowest elevation
0 ft (0 m)
Population
 (July 1, 2024)
  Total
9,757,179
  Density2,430/sq mi (940/km2)
GDP
  Total$961.908 billion (2023)
Time zoneUTC−8 (Pacific Time Zone)
  Summer (DST)UTC−7 (Pacific Daylight Time)
ZIP Codes
90xxx–918xx, 92397, 92821, 92823, 93243, 935xx
Area codes213/323, 310/424, 442/760, 562, 626, 657/714, 661, 747/818, 840/909
FIPS code06-037
GNIS feature ID277283
Congressional districts23rd, 26th, 27th, 28th, 29th, 30th, 31st, 32nd, 34th, 35th, 36th, 37th, 38th, 42nd, 43rd, 44th, 45th
Websitelacounty.gov

Los Angeles County, officially the County of Los Angeles and sometimes abbreviated as LA County, is the most populous county in the United States, with 9,663,345 residents estimated in 2023. Its population is greater than that of 40 individual U.S. states. Comprising 88 incorporated cities and 101+ unincorporated areas within a total area of 4,083 square miles (10,570 km2), it is home to more than a quarter of Californians and is one of the most ethnically diverse U.S. counties. The county's seat, Los Angeles, is the second most populous city in the United States, with 3,820,914 residents estimated in 2023. The county is the domicile of the U.S. motion picture industry since the latter's inception in the early 20th century.