Los Angeles County, California

Los Angeles County
Nicknames: 
"LA County", "Metro-LA", "Greater LA"
Interactive map of Los Angeles County
Coordinates: 34°3′N 118°15′W / 34.050°N 118.250°W / 34.050; -118.250
CountryUnited States
StateCalifornia
RegionGreater Los Angeles
FormedFebruary 18, 1850
Named afterOur Lady, Queen of the Angels
County seatLos Angeles
Largest cityLos Angeles
Incorporated cities88
Government
 • TypeCouncil–CEO[1]
 • BodyBoard of Supervisors
 • ChairHilda Solis (D)
 • Chair Pro TemHolly Mitchell (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
10,064 ft (3,068 m)
Lowest elevation
0 ft (0 m)
Population
 (July 1, 2024)
 • Total
9,757,179
 • Density2,430/sq mi (940/km2)
GDP
 • Total$1.003 trillion (2024)
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, sometimes abbreviated as LA County, is the most populous county in the United States, with 9,757,179 residents estimated in 2024. 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 accommodates 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 3,878,704 residents estimated in 2024. The county is globally known as the home of the U.S. motion picture industry since its inception in the early 20th century.