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Los Angeles County
County
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Nickname(s): "L.A. County", "Metro-LA", "Greater LA"
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Coordinates: 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	Our Lady, Queen of the Angels
County seat	Los Angeles
Largest city	Los Angeles
Incorporated cities	88
Government
• Type	Council–CEO
• Body	Board of Supervisors
• Chair	Kathryn Barger (R)
• Chair Pro Tem	Hilda Solis (D)
• Board of Supervisors	Supervisors Hilda Solis (D) Holly Mitchell (D) Lindsey Horvath (D) Janice Hahn (D) Kathryn Barger (R)
• Chief Executive Officer	Fesia Davenport
Area
• Total	4,751 sq mi (12,310 km)
• Land	4,058 sq mi (10,510 km)
• Water	693 sq mi (1,790 km)
Highest elevation	10,068 ft (3,069 m)
Lowest elevation	0 ft (0 m)
Population
• Total	9,663,345
• Density	2,430/sq mi (940/km)
GDP
• Total	$961.908 billion (2023)
Time zone	UTC−8 (Pacific Time Zone)
• Summer (DST)	UTC−7 (Pacific Daylight Time)
ZIP Codes	90xxx–918xx, 92397, 92821, 92823, 93243, 935xx
Area codes	213/323, 310/424, 442/760, 562, 626, 657/714, 661, 747/818, 840/909
FIPS code	06-037
GNIS feature ID	277283
Congressional districts	23rd, 26th, 27th, 28th, 29th, 30th, 31st, 32nd, 34th, 35th, 36th, 37th, 38th, 42nd, 43rd, 44th, 45th
Website	lacounty.gov

Los Angeles County, officially the County of Los Angeles and sometimes abbreviated as L.A. 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 many unincorporated areas within a total area of 4,083 square miles (10,570 km), 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 has been world-renowned as the domicile of the U.S. motion picture industry since the latter's inception in the early 20th century.

History

Los Angeles County is one of the original counties of California, created at the time of statehood in 1850. The county originally included parts of what are now Kern, San Bernardino, Riverside, Inyo, Tulare, Ventura, and Orange counties. In 1851 and 1852, Los Angeles County stretched from the coast to the state line of Nevada. As the population increased, sections were split off to organize San Bernardino County in 1853, Kern County in 1866, and Orange County in 1889.

Before the 1870s, Los Angeles County was divided into townships (many of which were amalgamations of one or more old ranchos):

• Azusa – encompassed the foothill communities east of the San Gabriel River, including present-day Covina and Duarte
• El Monte – encompassed communities in the Whittier Narrows area, including present-day El Monte, La Puente, as well as Monterey Park
  • Azusa and El Monte Townships – merged for the 1870 census
• City of Los Angeles – then consisting solely of its four-league Spanish land grant
• Los Angeles Township – consisted of areas surrounding the City of Los Angeles, including the San Fernando Valley and present-day West Los Angeles and East Los Angeles. Most of this area has now been annexed to the city of Los Angeles.
• Los Nietos – consisted of areas south of the Whittier Narrows and Puente Hills south to present-day Long Beach, centered on the early settlement at Los Nietos. Some of this area is now in Orange County
• San Jose – consisted of the eastern portions of the county drained by San Jose Creek, including what is now the cities of Pomona, Claremont and Walnut
• San Gabriel – consisted of the western San Gabriel Valley and foothill communities, including present-day Alhambra and Pasadena. Centered on the Mission San Gabriel
• Santa Ana – consisted of what is now northern and central Orange County, including what is now Fullerton, Huntington Beach and the City of Orange. Centered on Santa Ana).
  • For the 1870 census, Anaheim district was enumerated separately
• San Juan – consisted of what is now southern Orange County. Centered on Mission San Juan Capistrano
• San Pedro – consisted of the present-day South Bay communities, Compton and western Long Beach. Centered on the wharf of San Pedro. Renamed Wilmington Township by 1870).
• Tejon – consisted of all of northern Los Angeles County and what is now southern Kern County. Centered on Fort Tejon
  • When Kern County was formed, the portion of the township remaining in Los Angeles County became Soledad Township.

Location

As shown by the map below, Los Angeles County is bordered on the north by Kern County, on the east by San Bernardino County, on the southeast by Orange County, on the south by the Pacific Ocean, and on the west by Ventura County.

Geography

According to the U.S. Census Bureau, the county has an area of 4,751 square miles (12,310 km), of which 4,058 square miles (10,510 km) (85%) is land and 693 square miles (1,790 km) (15%) is water. Los Angeles County borders 70 miles (110 km) of coast on the Pacific Ocean and encompasses mountain ranges, valleys, forests, islands, lakes, rivers, and desert. The Los Angeles River, Rio Hondo, Ballona Creek, the San Gabriel River and the Santa Clara River flow in Los Angeles County, while the primary mountain ranges are the Santa Monica Mountains and the San Gabriel Mountains. The western extent of the Mojave Desert begins in the Antelope Valley, in the northeastern part of the county.

Most of the population of Los Angeles County resides in the south and southwest, with major population centers in the Los Angeles Basin, San Fernando Valley, and San Gabriel Valley. Other population centers are found in the Santa Clarita Valley, Pomona Valley, Crescenta Valley and Antelope Valley.

The county is divided west-to-east by the San Gabriel Mountains, which are part of the Transverse Ranges of southern California, and are contained mostly within the Angeles National Forest. Most of the county's highest peaks are in the San Gabriel Mountains, including Mount San Antonio 10,068 feet (3,069 m) at the Los Angeles–San Bernardino county lines, Mount Baden-Powell 9,399 feet (2,865 m), Mount Burnham 8,997 feet (2,742 m) and Mount Wilson 5,710 feet (1,740 m). Several lower mountains are in the northern, western, and southwestern parts of the county, including the San Emigdio Mountains, the southernmost part of Tehachapi Mountains and the Sierra Pelona Mountains.

Los Angeles County includes San Clemente Island and Santa Catalina Island, which are part of the Channel Islands archipelago off the Pacific Coast.

Lakes and reservoirs

• Bouquet Reservoir
• Castaic Lake
• Crystal Lake
• Elizabeth Lake
• Holiday Lake
• Hollywood Reservoir
• Hughes Lake
• Jackson Lake
• Las Virgenes Reservoir
• Malibou Lake
• Morris Reservoir
• Munz Lakes
• Lake Palmdale
• Puddingstone Reservoir
• Pyramid Lake
• Quail Lake
• Silver Lake Reservoir
• Stone Canyon Reservoir
• Tweedy Lake
• Westlake in City of Westlake Village
• Lake Lindero

Major divisions of the county

• East: Eastside, San Gabriel Valley, portions of the Pomona Valley
• West: Westside, Beach Cities
• South: South Bay, South Los Angeles, Palos Verdes Peninsula, Gateway Cities, Los Angeles Harbor Region
• North: San Fernando Valley, Crescenta Valley, portions of the Conejo Valley, portions of the Antelope Valley and Santa Clarita Valley
• Central: Downtown Los Angeles, Mid-Wilshire, Northeast Los Angeles

National protected areas

• Angeles National Forest (part)
• Los Padres National Forest (part)
• Santa Monica Mountains National Recreation Area (part)

Climate

The Northern part of the county has a Desert climate, while the rest of the county generally is a mix of Semi-arid and a hot-summer Mediterranean climate. There is rainfall mostly in the wintertime, but the mountains in the north-central part of the county have snow during winter.

Demographics

2020 Census

In 2019, the median household income in the county was $72,797.

2010 Census

Los Angeles County had a population of 9,818,605 in the 2010 United States Census. This includes a natural increase since the last census of 583,364 people (i.e., 1,152,564 births minus 569,200 deaths) and a decrease due to net migration of 361,895 people. Immigration resulted in a net increase of 293,433 people, and migration from within the United States resulted in a net decrease of 655,328 people.

The racial makeup of Los Angeles County was 4,936,599 (50%) White, 1,346,865 (13.7%) Asian, 856,874 (9%) African American, 72,828 (0.7%) Native American, 26,094 (0.3%) Pacific Islander, 2,140,632 (21.8%) from other races, and 438,713 (4.5%) from two or more races.

Non-Hispanic whites numbered 2,728,321, or 28% of the population. Hispanic or Latino residents of any race numbered 4,687,889 (48%); 36% of Los Angeles County's population was of Mexican ancestry, 3.7% Salvadoran, and 2.2% Guatemalan heritage.

The county has a large population of Asian Americans, being home to the largest numbers of Burmese, Cambodian, Chinese, Filipino, Indonesian, Korean, Sri Lankan, Taiwanese, and Thai outside their respective countries. The largest Asian groups in Los Angeles County are 4.0% Chinese, 3.3% Filipino, 2.2% Korean, 1.0% Japanese, 0.9% Vietnamese, 0.8% Indian, and 0.3% Cambodian.

Racial and ethnic composition since 1960

Race and ancestry

The racial makeup of the county is 48.7% White, 11.0% African American, 0.8% Native American, 10.0% Asian, 0.3% Pacific Islander, 23.5% from other races, and 4.9% from two or more races. 44.6% of the population are Hispanic or Latino of any race. The largest European-American ancestry groups are German (6%), Irish (5%), English (4%) and Italian (3%). 45.9% of the population reported speaking only English at home; 37.9% spoke Spanish, 2.22% Tagalog, 2.0% Chinese, 1.9% Korean, 1.87% Armenian, 0.5% Arabic, and 0.2% Hindi.

The county has the largest Native American population of any county in the nation: according to the 2000 census, it has more than 153,550 people of indigenous descent, and most are from Latin America.

As estimated by the Public Policy Institute of California in 2008, Los Angeles County is home to more than one-third of California's undocumented immigrants, who make up more than ten percent of the population.

Los Angeles County is home to the largest Armenian population outside of Armenia.

Los Angeles County contains the largest Iranian population outside of Iran of any other county or county equivalent globally.

2000

At the 2000 census, there were 9,519,338 people, 3,133,774 households, and 2,137,233 families in the county. The population density was 2,344 inhabitants per square mile (905/km). There were 3,270,909 housing units at an average density of 806 units per square mile (311 units/km).

Of the 3,133,774 households 37% had children under the age of 18 living with them, 48% were married couples living together, 15% had a female householder with no husband present, and 32% were non-families. 25% of households were one person and 7% were one person aged 65 or older. The average household size was 2.98 and the average family size was 3.61.

The age distribution was 28% under the age of 18, 10% from 18 to 24, 33% from 25 to 44, 19% from 45 to 64, and 10% 65 or older. The median age was 32 years. For every 100 females, there were 97.7 males. For every 100 females age 18 and over, there were 95.0 males.

Income

This section needs to be updated. Please help update this article to reflect recent events or newly available information. (March 2024)

The median personal earnings for all workers 16 and older in Los Angeles County are $30,654, slightly below the US median; earnings, however vary widely by neighborhood, race and ethnicity, and gender. The median household income was $42,189 and the median family income was $46,452. Males had a median income of $36,299 versus $30,981 for females. The per capita income for the county was $20,683. There are 14.4% of families living below the poverty line and 17.9% of the population, including 24.2% of under 18 and 10.5% of those over 64. Los Angeles County has the highest number of millionaires of any county in the nation, totaling 261,081 households as of 2007.

The homeownership rate is 47.9%, and the median value for houses is $409,300. 42.2% of housing units are in multi-unit structures. Los Angeles County has the largest number of homeless people, with "48,000 people living on the streets, including 6,000 veterans," in 2010. As of 2017 the number of homeless people in the county increased to nearly 58,000.

Religion

In 2015, there were over two thousand Christian churches, the majority of which are Catholic. Roman Catholic adherents number close to 40% of the population. There were 202 Jewish synagogues, 145 Buddhist temples, 38 Muslim mosques, 44 Baháʼí Faith worship centers, 37 Hindu temples, 28 Tenrikyo churches and fellowships, 16 Shinto worship centers, and 14 Sikh gurdwaras in the county. The Roman Catholic Archdiocese of Los Angeles has approximately 5 million members and is the largest diocese in the United States. In 2014, the county had 3,275 religious organizations, the most out of all US counties.

Law, government, and politics

Government

The Government of Los Angeles County is defined and authorized under the California Constitution, California law and the Charter of the County of Los Angeles. Much of the Government of California is in practice the responsibility of local governments such as the Government of Los Angeles County.

The county's voters elect a governing five-member Los Angeles County Board of Supervisors. The small size of the board means each supervisor represents over 2 million people. The board operates in a legislative, executive, and quasi-judicial capacity. As a legislative authority, it can pass ordinances for the unincorporated areas (ordinances that affect the whole county, like posting of restaurant ratings, must be ratified by the individual city). As an executive body, it can tell the county departments what to do, and how to do it. As a quasi-judicial body, the Board is the final venue of appeal in the local planning process, and holds public hearings on various agenda items.

As of 2020, the Board of Supervisors oversees a $35.5 billion annual budget and over 112,000 employees. The county government is managed on a day-to-day basis by a chief executive officer and is organized into many departments, each of which is enormous in comparison to equivalent county-level (and even many state-level) departments anywhere else in the United States. Some of the larger or better-known departments include:

• Los Angeles County Department of Consumer and Business Affairs – offers consumers in the county a variety of services including: consumer and real estate counseling, mediation, and small claims counseling investigates consumer complaints, real estate fraud and identity theft issues. The department also provides small business certifications and helps entrepreneurs navigate the process of opening a business.
• Los Angeles County Department of Children and Family Services – administers foster care
• Los Angeles County Fire Department – provides firefighting and emergency medical services for the unincorporated parts and 58 cities of Los Angeles County, as well as for the city of La Habra in Orange County. A 2021 Los Angeles Times investigation revealed that more than 54 percent of all fires requiring an LAFD response were associated with homelessness. That is equivalent to more than 24 fires every day. Arson-related fires constituted one-third of overall incidents, rising along with homeless-related fire incidents. The city's arson clearance rate was 6 percent, meaning that most perpetrators went unpunished.
• Los Angeles County Department of Health Services – operates several county hospitals and a network of primary care clinics.
• Los Angeles County Department of Public Health – administers public health programs including STD programs, smoking cessation, and restaurant inspection. The cities of Long Beach and Pasadena have their own autonomous Public Health departments assuming county functions, and county public health orders are not applicable in those cities.
• Los Angeles County Department of Public Social Services – administers many federal and state welfare programs
• Los Angeles County Department of Public Works – operates countywide flood control system, constructs and maintains roads in unincorporated areas.
• Los Angeles County District Attorney – prosecutes criminal suspects.
• Los Angeles County Office of the Public Defender – defends indigent people accused of criminal offenses.
• Los Angeles County Probation Department
• Los Angeles County Sheriff's Department – provides law enforcement services for the unincorporated parts of Los Angeles County, as well as 42 cities.

The Los Angeles County Metropolitan Transportation Authority, despite its name, is not a County department. Technically it is a state-mandated county transportation commission that also operates bus and rail.

Politics

Overview

Voter registration

In the United States House of Representatives, Los Angeles County is split between 17 congressional districts. In the California State Senate, Los Angeles County is split between 13 legislative districts. In the California State Assembly, Los Angeles County is split between 24 legislative districts.

On November 4, 2008, Los Angeles County was almost evenly split over Proposition 8, which amended the California Constitution to ban same-sex marriages. The county voted for the amendment 50.04% with a margin of 2,385 votes.

Legal system

The Los Angeles County Superior Court is the county's court of general jurisdiction, while the U.S. District Court for the Central District of California may hear cases where federal jurisdiction is present. Both are headquartered in a large cluster of government buildings in the city's Civic Center.

Historically, the courthouses were county-owned buildings that were maintained at county expense, which created significant friction since the trial court judges, as officials of the state government, had to lobby the county Board of Supervisors for facility renovations and upgrades. In turn, the state judiciary successfully persuaded the state Legislature to authorize the transfer of all courthouses to the state government in 2008 and 2009 (so that judges would have direct control over their own courthouses). Courthouse security is still provided by the county government under a contract with the state.

Unlike the largest city in the United States, New York City, all of the city of Los Angeles and most of its important suburbs are located within a single county. As a result, both the county superior court and the federal district court are respectively the busiest courts of their type in the nation.

Many celebrities have been seen in Los Angeles courts. In 2003, the television show Extra (based in nearby Glendale) found itself running so many reports on the legal problems of local celebrities that it spun them off into a separate show, Celebrity Justice.

State cases are appealed to the Court of Appeal for the Second Appellate District, which is also headquartered in the Civic Center, and then to the California Supreme Court, which is headquartered in San Francisco but also hears argument in Los Angeles (again, in the Civic Center). Federal cases are appealed to the Court of Appeals for the Ninth Circuit, which hears them at its branch building in Pasadena. The court of last resort for federal cases is the U.S. Supreme Court in Washington, D.C.

Crime

The following table includes the number of incidents reported and the rate per 1,000 persons for each type of offense.

Cities by population and crime rates

Other statistics

Crime in 2013

• Homicides: 386
• Thefts: 54,971
• Burglaries: 17,606
• Car Thefts: 15,866
• Robberies: 10,202
• Violent Crimes: 20,318
• Rapes: 843
• Assaults: 8,976
• Murders: 297

Ecology

According to the authors of Wild L.A., a book about urban biodiversity, "Los Angeles is the birdiest county in the country with over 500 recorded species." L.A.'s amenable climate supports a large number of introduced, tropical and migratory species. Because of the county's wide range of biomes it is possible to see desert bighorn sheep and green sea turtles in the same day, without crossing the county line. The range of habitats in the county is "greater than in many states, with mountains, wetlands, desert, ocean, meadows and chaparral, each with its own endemic species." There are at least 100 species of trees, and 1000 species of non-native plants, in the urban areas of the county. Charismatic biodiversity indicator species native to the area include three species of amphibian (Baja California chorus frog, black-bellied slender salamander, western toad), 14 species of bird (acorn woodpecker, California quail, canyon wren, cinnamon teal, great blue heron, great horned owl, greater roadrunner, hooded merganser, Northern harrier, red-tailed hawk, red-winged blackbird, spotted towhee, western bluebird, western meadowlark), nine kinds of invertebrates (Behr's metalmark, bramble green hairstreak, bumblebees, El Segundo blue butterfly, harvester ants, Lorquin's admiral, North American Jerusalem crickets, Sara orangetip, velvet ants), five mammals (bobcat, dusky footed woodrat, gray fox, mountain lion, mule deer), and six reptiles (California kingsnake, coachwhip snake, gopher snake, side-blotched lizard, western pond turtle, western rattlesnake). Any observations of these species within the county are considered ecologically significant indicators of ecosystem health and may be documented using the iNaturalist app.

Economy

Los Angeles County is commonly associated with the entertainment and digital media industry; all five major film studios—Paramount Pictures, Sony Pictures, Warner Bros., Universal Pictures, and Walt Disney Studios—are located within the county. Numerous other major industries also define the economy of Los Angeles County, including international trade supported by the Port of Los Angeles and the Port of Long Beach, music recording and production, aerospace and defense, fashion, and professional services such as law, medicine, engineering and design services, financial services. High-tech sector employment within Los Angeles County is 368,500 workers, and manufacturing employment within Los Angeles County is 365,000 workers. Despite a business exodus from Downtown Los Angeles since the COVID-19 pandemic, the city's urban core is evolving as a cultural center with the world's largest showcase of architecture designed by Frank Gehry.

The following major companies have headquarters in Los Angeles County:

Education

The Los Angeles County Office of Education provides a supporting role for school districts in the area. The county office also operates two magnet schools, the International Polytechnic High School and Los Angeles County High School for the Arts. There are a number of private schools in the county, most notably those operated by the Roman Catholic Archdiocese. The county's public education sector is run by numerous school districts with the Los Angeles Unified School District being the largest one running public schools primarily within the city of Los Angeles and its immediately neighboring cities.

Colleges

• Antelope Valley College, Lancaster
• Art Center College of Design, Pasadena
• The Art Institute of California – Los Angeles (AICALA), Santa Monica
• Azusa Pacific University, Azusa
• Biola University, La Mirada
• California Institute of the Arts, Santa Clarita
• Cerritos College, Norwalk
• Citrus College, Glendora
• Claremont Colleges, Claremont
  • Claremont McKenna College
  • Harvey Mudd College
  • Pitzer College
  • Pomona College
  • Scripps College
• Claremont School of Theology, Claremont
• College of the Canyons, Santa Clarita
• DeVry University, Long Beach and West Hills (Los Angeles)
• East Los Angeles College, Monterey Park
• El Camino College, Torrance
• Fuller Theological Seminary, Pasadena
• Glendale Community College, Glendale
• Hebrew Union College, Los Angeles
• ITT Technical Institute, Culver City, San Dimas, Sylmar (Los Angeles), Torrance, and West Covina
• Life Pacific College, San Dimas
• Long Beach City College, Long Beach
• Los Angeles City College (LACC), Los Angeles
• Los Angeles Harbor College, Los Angeles
• Los Angeles Mission College, Sylmar (Los Angeles)
• Los Angeles Music Academy College of Music, Pasadena
• Los Angeles Pierce College (Pierce), Woodland Hills (Los Angeles)
• Los Angeles Southwest College, Los Angeles
• Los Angeles Trade Technical College (LATTC), Los Angeles
• Los Angeles Valley College, Valley Glen (Los Angeles)
• The Master's University, Santa Clarita
• Mount St. Mary's College, Los Angeles
• Mt. San Antonio College, Walnut
• Mt. Sierra College, Monrovia
• Occidental College (Oxy), Eagle Rock (Los Angeles)
• Otis College of Art and Design, Westchester (Los Angeles)
• Pacific Oaks College, Pasadena
• Pasadena City College, Pasadena
• Pepperdine University, Malibu
• Rio Hondo College, Whittier
• Santa Monica College (SMC), Santa Monica
• West Los Angeles College, Culver City
• Whittier College, Whittier
• Wyoming Technical Institute (WyoTech), Long Beach

Universities

• Abraham Lincoln University (ALU), Los Angeles
• Alliant International University (AIU), Alhambra
• American Jewish University (AJULA), Los Angeles
• Azusa Pacific University, Azusa
• Biola University, La Mirada
• California Institute of Technology (Caltech), Pasadena
• California State Polytechnic University, Pomona (Cal Poly Pomona), Pomona
• California State University, Dominguez Hills (CSUDH), Carson
• California State University, Long Beach (CSULB), Long Beach
• California State University, Los Angeles (CSULA), Los Angeles
• California State University, Northridge (CSUN), Northridge (Los Angeles)
• Charles R. Drew University of Medicine and Science (Los Angeles)
• Claremont Graduate University (CGU), Claremont
• Loyola Marymount University (LMU), Westchester (Los Angeles)
• National University, Los Angeles and Woodland Hills
• Pepperdine University, Malibu
• Southern California University of Health Sciences, Whittier
• Southern California Institute of Architecture (SCI-Arc), Los Angeles
• Southwestern University School of Law, Los Angeles
• University of Antelope Valley (UAV), Lancaster
• University of California, Los Angeles (UCLA), Westwood (Los Angeles)
• University of La Verne, La Verne
• University of Southern California (USC), Los Angeles
• University of the West (UWest), Rosemead
• Western University of Health Sciences (WesternU), Pomona
• Woodbury University, Burbank

K–12 schools

Sites of interest

The county's most visited park is Griffith Park, owned by the city of Los Angeles. The county is also known for the annual Rose Parade in Pasadena, the annual Los Angeles County Fair in Pomona, the Los Angeles County Museum of Art, the Los Angeles Zoo, the Natural History Museum of Los Angeles County, the La Brea Tar Pits, the Arboretum of Los Angeles, and two horse racetracks and two car racetracks (Pomona Raceway and Irwindale Speedway), also the RMS Queen Mary located in Long Beach, and the Long Beach Grand Prix, and miles of beaches—from Zuma to Cabrillo.

Venice Beach is a popular attraction whose Muscle Beach used to attract throngs of tourists admiring "hardbodies". Today, it is more arts-centered. Santa Monica's pier is a well known tourist spot, famous for its Ferris wheel and bumper car rides, which were featured in the introductory segment of the television sitcom Three's Company. Further north in Pacific Palisades one finds the beaches used in the television series Baywatch. The fabled Malibu, home of many film and television stars, lies west of it.

In the mountain, canyon, and desert areas one may find Vasquez Rocks Natural Area Park, where many old Westerns were filmed. Mount Wilson Observatory in the San Gabriel Mountains is open for the public to view astronomical stars from its telescope, now computer-assisted. Many county residents find relaxation in water skiing and swimming at Castaic Lake Recreation Area – the county's largest park by area – as well as enjoying natural surroundings and starry nights at Saddleback Butte State Park in the eastern Antelope Valley – California State Parks' largest in area within the county. The California Poppy Reserve is located in the western Antelope Valley and shows off the State's flower in great quantity on its rolling hills every spring.

Museums

• Academy Museum of Motion Pictures
• Armory Center for the Arts, Pasadena, California
• Battleship USS Iowa, Los Angeles Waterfront in San Pedro
• SS Lane Victory, Los Angeles Waterfront in San Pedro, just south of the USS Iowa
• California African American Museum
• California Science Center, Los Angeles (formerly the Museum of Science and Industry)
• The Broad
• Hammer Museum
• Huntington Library, San Marino
• Long Beach Museum of Art in the historic Elizabeth Milbank Anderson residence
• Los Angeles Children's Museum
• Los Angeles County Fire Museum, in Bellflower
• Los Angeles County Museum of Art, Mid-City, Los Angeles
• Museum of Contemporary Art, Downtown Los Angeles (founded in 1950); The Geffen Contemporary at MOCA, Downtown Los Angeles (founded in 1980)
• Museum of Jurassic Technology, Culver City
• Museum of Latin American Art in Long Beach
• Museum of Neon Art
• Museum of the American West (Gene Autry Museum), in Griffith Park
• Museum of Tolerance
• Natural History Museum of Los Angeles County
• Pasadena Museum of California Art, in Pasadena
• J. Paul Getty Center, Brentwood (Ancient Roman, Greek, and European Renaissance Art)
• J. Paul Getty Villa, Pacific Palisades, Getty's original house
• George C. Page Museum at La Brea Tar Pits
• Santa Monica Museum of Art, Santa Monica (Contemporary art)
• Norton Simon Museum, Pasadena (19th- and early 20th-century art)
• Skirball Cultural Center, Los Angeles
• Southwest Museum

Entertainment

• Los Angeles Memorial Coliseum
• Descanso Gardens
• Dodger Stadium
• Exposition Park
• Farmers Market
• The Forum
• Griffith Park
• Griffith Observatory
• Huntington Botanical Gardens
• La Brea Tar Pits
• Music Center
• Olvera Street
• Crypto.com Arena
• SoFi Stadium
• South Coast Botanic Garden
• Third Street Promenade
• Venice Beach
• Los Angeles Zoo

Music venues

• California Plaza, comprising One California Plaza and Two California Plaza
• Cerritos Center for the Performing Arts
• Crypto.com Arena
• The Forum
• Walt Disney Concert Hall
• Greek Theatre
• House of Blues Sunset Strip
• Pantages Theatre
• Hollywood Bowl
• Hollywood Palladium
• John Anson Ford Amphitheatre
• The Orpheum Theatre
• The Roxy Theatre
• Royce Hall (UCLA)
• The Music Box
• El Rey Theatre
• The Troubadour
• The Wiltern
• Whisky a Go Go

Amusement parks

• Universal Studios Hollywood
• Raging Waters, San Dimas
• Six Flags Magic Mountain
• Six Flags Hurricane Harbor
• Pacific Park

Other attractions

Other areas

• Ridge Route
• Angeles National Forest
• Mount Wilson Observatory
• Malibu Creek State Park
• Vasquez Rocks Natural Area Park
• Plant 42's Blackbird Airpark and Heritage Airpark
• Antelope Valley California Poppy Reserve
• Cortes Bank
• Santa Catalina Island
• Mojave Desert
• Saddleback Butte State Park
• Antelope Valley Indian Museum State Historic Park
• Arthur B. Ripley Desert Woodland State Park

Transportation

Major highways

• I-5
• I-5 BL
• I-10
• I-105
• I-110
• I-210
• I-405
• I-605
• I-710
• US 101
• SR 1
• SR 2
• SR 14
• SR 18
• SR 19
• SR 22
• SR 23
• SR 27
• SR 39
• SR 42
• SR 47
• SR 57
• SR 60
• SR 66
• SR 71
• SR 72
• SR 90
• SR 91
• SR 103
• SR 107
• SR 110
• SR 118
• SR 126
• SR 134
• SR 138
• SR 170
• SR 210
• SR 213
• SR 710

Air

Los Angeles International Airport (LAX), located in the Westchester district, is the primary commercial airport for commercial airlines in the county and the Greater Los Angeles Area. LAX is operated by Los Angeles World Airports (LAWA), an agency of the City of Los Angeles.

Other important commercial airports in Los Angeles County include:

• Long Beach Municipal Airport operated by the City of Long Beach.
• Bob Hope Airport in Burbank, operated by the Burbank-Glendale-Pasadena Airport Authority.

The following general aviation airports also are located in Los Angeles County:

• County operated airports (Department of Public Works, Aviation Division)
  • Compton/Woodley Airport in Compton.
  • San Gabriel Valley Airport in El Monte.
  • Brackett Field in La Verne.
  • Whiteman Airport in Pacoima.
  • General William J. Fox Airfield in Lancaster.
• City operated airports
  • Van Nuys Airport in Van Nuys, also operated by LAWA. Van Nuys Airport sees significant executive jet air traffic.
  • LA/Palmdale Regional Airport in Palmdale. The airport is a separate facility on the grounds of Air Force Plant 42.
  • Santa Monica Airport in Santa Monica, which has major executive jet traffic.
  • Hawthorne Municipal Airport, also known as Jack Northrop Field, in Hawthorne.
  • Zamperini Field in Torrance.

The U.S. Air Force operates three airports in Los Angeles County:

• Portions of Edwards Air Force Base, located at the northern edge of the county.
• Air Force Plant 42 in Palmdale, sharing runways with LA/Palmdale Regional.
• The non-flying Los Angeles Air Force Base in El Segundo.

Rail

Los Angeles is a major freight-railroad transportation center, largely due to the large volumes of freight moving in and out of the county's sea port facilities. The ports are connected to the downtown rail yards and to the main lines of Union Pacific and Burlington Northern Santa Fe headed east via a grade-separated, freight rail corridor known as the Alameda Corridor.

Passenger rail service is provided in the county by Amtrak, Los Angeles Metro Rail and Metrolink.

Amtrak has the following intercity Amtrak service at Union Station in the city of Los Angeles:

• The Pacific Surfliner to Santa Barbara, San Luis Obispo, and San Diego.
• The Coast Starlight to San Francisco Bay Area, Portland and Seattle.
• The Southwest Chief to Albuquerque, Kansas City and Chicago.
• The Sunset Limited to Tucson, Houston and New Orleans.

Union Station is also the primary hub for Metrolink commuter rail, which serves much of the Greater Los Angeles Area.

Light rail, subway (heavy rail), and long-distance bus service are all provided by the Los Angeles County Metropolitan Transportation Authority (Metro). Other smaller regional transit agencies that provide public transit to specific regions of Los Angeles County include LADOT, Long Beach Transit, Montebello Bus Lines, Norwalk Transit, Santa Monica's Big Blue Bus serving the western LA region, Santa Clarita Transit, Torrance Transit, Glendale Beeline, Foothill Transit serving the San Gabriel Valley region, and the Antelope Valley Transit Authority serving the Lancaster and Palmdale area in the Antelope Valley region.

Sea

The county's two main seaports are the Port of Los Angeles and the Port of Long Beach. Together they handle over a quarter of all container traffic entering the United States, making the complex the largest and most important port in the country, and the third-largest port in the world by shipping volume.

The Port of Los Angeles is the largest cruise ship center on the West Coast, handling more than 1 million passengers annually.

The Port of Long Beach is home to the Sea Launch program, which uses a floating launch platform to insert payloads into orbits that would be difficult to attain from existing land-based launch sites.

Catalina Express ferries link the Catalina Island city of Avalon to the mainland at San Pedro and Long Beach, as well as Dana Point in Orange County.

Water

Water is provided by at least 200 independent water districts or agencies. Statewide droughts in California have placed a strain on the county's water security. Statewide droughts in California have further strained Los Angeles County's water security.

Communities

Cities

There are 88 incorporated cities in Los Angeles County. According to the 2018 Estimate, the most populous are:

Unincorporated areas

Census designated places

• Acton
• Agua Dulce
• Alondra Park
• Altadena
• Avocado Heights
• Castaic
• Charter Oak
• Citrus
• Del Aire
• Desert View Highlands
• East Los Angeles
• East Pasadena
• East Rancho Dominguez
• East San Gabriel
• East Whittier
• Elizabeth Lake
• Florence-Graham
• Green Valley
• Hacienda Heights
• Hasley Canyon
• La Crescenta-Montrose
• Ladera Heights
• Lake Hughes
• Lake Los Angeles
• Lennox
• Leona Valley
• Littlerock
• Marina del Rey
• Mayflower Village
• North El Monte
• Pepperdine University
• Quartz Hill
• Rose Hills
• Rowland Heights
• San Pasqual
• South Monrovia Island
• South San Gabriel
• South San Jose Hills
• South Whittier
• Stevenson Ranch
• Sun Village
• Topanga
• Val Verde
• Valinda
• View Park-Windsor Hills
• Vincent
• Walnut Park
• West Athens
• West Carson
• West Rancho Dominguez
• West Puente Valley
• West Whittier-Los Nietos
• Westmont
• Willowbrook

Unincorporated communities

• Agoura
• Alla
• Alpine
• Andrade Corner
• Antelope Acres
• Antelope Center
• Athens
• Bassett
• Big Pines
• Castaic Junction
• City Terrace
• Cornell
• Del Sur
• Del Valle
• Firestone Park
• Florence
• Gorman
• Hillgrove
• Hi Vista
• Juniper Hills
• Kagel Canyon
• Kinneloa Mesa
• Largo Vista
• Llano
• Los Nietos
• Malibu Vista
• Monte Nido
• Neenach
• Ninetynine Oaks
• Pearblossom
• Rancho Dominguez
• Sandberg
• Sand Canyon
• Seminole Hot Springs
• Three Points
• Two Harbors
• Universal City
• Valyermo
• West Whitter

Proposed communities

• Centennial (planned for 70,000).

See: Los Angeles Almanac MAP: Unincorporated Areas and Communities of Los Angeles County

Population ranking

The population ranking of the following table is based on the 2020 census of Los Angeles County.

† county seat

See also

• List of museums in Los Angeles
• List of museums in Los Angeles County, California
• List of school districts in Los Angeles County, California
• List of schools in the Roman Catholic Archdiocese of Los Angeles
• National Register of Historic Places listings in Los Angeles County, California

Notes

1. Percentage of registered voters with respect to total population. Percentages of party members with respect to registered voters follow.
2. Only larceny-theft cases involving property over $400 in value are reported as property crimes.

3. Strong Mayor In 2032

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External links

• County government website
• Los Angeles Tourism & Convention Board

v t e Places adjacent to Los Angeles County, California
Kern County Kern County San Bernardino County Ventura County Los Angeles County San Bernardino County Pacific Ocean Pacific Ocean Orange County

v t e County of Los Angeles
Chair: Kathryn Barger Chair pro tempore: Hilda Solis CEO: Fesia Davenport
Board of supervisors	Hilda Solis, 1st district Holly Mitchell, 2nd district Lindsey Horvath, 3rd district Janice Hahn, 4th district Kathryn Barger, 5th district
Departments	Aging & Disabilities Agricultural Commissioner Weights & Measures Alternate Public Defender Animal Care & Control Arts & Culture Assessor Auditor-Controller Beaches & Harbors Chief Executive Office Child Support Services Children & Family Services Consumer & Business Affairs County Counsel District Attorney Economic Opportunity Executive Office, Board of Supervisors Fire Lifeguard Division Health Services Human Resources Internal Services Justice Care & Opportunities Library Medical Examiner Mental Health Military & Veterans Affairs Museum of Art Natural History Museum Parks & Recreation Probation Public Defender Public Health Public Social Services Public Works Regional Planning Registrar-Recorder/County Clerk Treasurer & Tax Collector Sheriff Youth Development
Agencies	Office of Education Grand Park Los Angeles County Employees Retirement Association Local Agency Formation Commission Los Angeles County Law Library Metropolitan Transportation Authority Music Center Los Angeles County Sanitation Districts Superior Court First 5 Los Angeles FilmLA Los Angeles County Development Authority
Airports	Brackett Field Compton/Woodley Airport Fox Field San Gabriel Valley Airport (El Monte) Whiteman Airport
County hospitals	Los Angeles General Medical Center Harbor–UCLA Medical Center High Desert Regional Health Center Martin Luther King Jr. Outpatient Center Olive View–UCLA Medical Center Rancho Los Amigos National Rehabilitation Center
Culture	Ahmanson Theatre Arboretum and Botanic Garden Bob Hope Patriotic Hall Descanso Gardens Dorothy Chandler Pavilion Grand Park John Anson Ford Amphitheatre Hollywood Bowl La Brea Tar Pits Mark Taper Forum Museum of Art Music Center Natural History Museum South Coast Botanic Garden Walt Disney Concert Hall Whittier Narrows
Others	Seal Hall of Records

v t e Municipalities and communities of Los Angeles County, California, United States
County seat: Los Angeles
Cities	Agoura Hills Alhambra Arcadia Artesia Avalon Azusa Baldwin Park Bell Bell Gardens Bellflower Beverly Hills Bradbury Burbank Calabasas Carson Cerritos City of Industry Claremont Commerce Compton Covina Cudahy Culver City Diamond Bar Downey Duarte El Monte El Segundo Gardena Glendale Glendora Hawaiian Gardens Hawthorne Hermosa Beach Hidden Hills Huntington Park Inglewood Irwindale La Cañada Flintridge La Habra Heights La Mirada La Puente La Verne Lakewood Lancaster Lawndale Lomita Long Beach Los Angeles Lynwood Malibu Manhattan Beach Maywood Monrovia Montebello Monterey Park Norwalk Palmdale Palos Verdes Estates Paramount Pasadena Pico Rivera Pomona Rancho Palos Verdes Redondo Beach Rolling Hills Rolling Hills Estates Rosemead San Dimas San Fernando San Gabriel San Marino Santa Clarita Santa Fe Springs Santa Monica Sierra Madre Signal Hill South El Monte South Gate South Pasadena Temple City Torrance Vernon Walnut West Covina West Hollywood Westlake Village Whittier
CDPs	Acton Agua Dulce Alondra Park Altadena Avocado Heights Castaic Charter Oak Citrus Del Aire Desert View Highlands East Los Angeles East Pasadena East Rancho Dominguez East San Gabriel East Whittier Elizabeth Lake Florence-Graham Green Valley Hacienda Heights Hasley Canyon La Crescenta-Montrose Ladera Heights Lake Hughes Lake Los Angeles Lennox Leona Valley Littlerock Marina del Rey Mayflower Village North El Monte Pepperdine University Quartz Hill Rose Hills Rowland Heights San Pasqual South Monrovia Island South San Gabriel South San Jose Hills South Whittier Stevenson Ranch Sun Village Topanga Val Verde Valinda View Park-Windsor Hills Vincent Walnut Park West Athens West Carson West Puente Valley West Rancho Dominguez West Whittier-Los Nietos Westmont Willowbrook
Unincorporated communities	Agoura Alpine Alsace Altacanyada Andrade Corner Antelope Acres Antelope Center Athens Bassett Big Pines Boiling Point Castaic Junction City Terrace Cornell Del Sur Del Valle El Nido Firestone Park Florence Gorman Hillgrove Hi Vista Juniper Hills Kagel Canyon Kinneloa Mesa Largo Vista Llano Malibu Vista Monte Nido Neenach Ninetynine Oaks Pearblossom Rancho Dominguez Red Box Sandberg Seminole Hot Springs Three Points Two Harbors Universal City Valencia Valyermo
California portal United States portal

v t e Greater Los Angeles Area
Counties	Los Angeles Orange Riverside San Bernardino Ventura
Cities and towns	Central city Los Angeles 200k–500k Anaheim Fontana Irvine Long Beach Moreno Valley Oxnard Riverside San Bernardino Santa Ana Santa Clarita 100k−200k Burbank Corona Costa Mesa Downey El Monte Fullerton Garden Grove Glendale Huntington Beach Inglewood Jurupa Valley Lancaster Murrieta Menifee Norwalk Ontario Orange Palmdale Pasadena Pomona Rancho Cucamonga Rialto Simi Valley Temecula Thousand Oaks Torrance Ventura Victorville West Covina 50k–100k Alhambra Aliso Viejo Apple Valley Arcadia Azusa Baldwin Park Beaumont Bellflower Buena Park Camarillo Carson Cathedral City Chino Chino Hills Colton Compton Covina Cypress Diamond Bar Eastvale Fountain Valley Gardena Glendora Hacienda Heights Hawthorne Hemet Hesperia Highland Indio La Habra Laguna Niguel Lake Elsinore Lake Forest Lakewood Lynwood Mission Viejo Monrovia Montebello Monterey Park Newport Beach Palm Desert Paramount Perris Pico Rivera Placentia Redlands Redondo Beach Rosemead San Clemente San Jacinto Santa Monica South Gate Tustin Upland Westminster Whittier Yorba Linda Yucaipa 25k–50k Adelanto Banning Barstow Bell Bell Gardens Beverly Hills Brea Cerritos Claremont Coachella Culver City Dana Point Desert Hot Springs La Mirada La Puente La Quinta La Verne Laguna Hills Lawndale Manhattan Beach Maywood Monrovia Montclair Moorpark Norco Palm Springs Rancho Palos Verdes Rancho Santa Margarita San Dimas San Gabriel San Juan Capistrano Santa Paula Seal Beach South Pasadena Stanton Temple City Twentynine Palms Walnut West Hollywood Wildomar 10k–25k Agoura Hills Artesia Blythe Calabasas Calimesa Canyon Lake Commerce Cudahy Duarte El Segundo Fillmore Grand Terrace Hawaiian Gardens Hermosa Beach La Cañada Flintridge La Palma Laguna Beach Laguna Woods Loma Linda Lomita Los Alamitos Malibu Palos Verdes Estates Port Hueneme Rancho Mirage San Fernando San Marino Santa Fe Springs Sierra Madre Signal Hill South El Monte Yucca Valley Under 10k Avalon Big Bear Lake Bradbury City of Industry Hidden Hills Indian Wells Irwindale La Habra Heights Needles Ojai Rolling Hills Rolling Hills Estates Vernon Villa Park Westlake Village
CDPs over 25k	Altadena East Los Angeles Florence-Graham French Valley Hacienda Heights Ladera Ranch North Tustin Rowland Heights South Whittier Temescal Valley West Whittier-Los Nietos Westmont
Area regions	Anaheim–Santa Ana edge city Antelope Valley Central Los Angeles Coachella Valley Colorado Desert Conejo Valley Downtown Los Angeles East Los Angeles Gateway Cities Greater Hollywood Greater Los Angeles Harbor Area Inland Empire Mojave Desert Northeast Los Angeles Northwest Los Angeles Orange Coast Palos Verdes Peninsula Pomona Valley Saddleback Valley San Bernardino Valley San Fernando Valley San Gabriel Valley Santa Ana Valley Santa Clarita Valley Simi Valley South Bay South Coast Metro South Los Angeles Victor Valley Westside Los Angeles
Landforms	Baldwin Hills (range) Channel Islands Chino Hills Hollywood Hills Los Angeles Basin Oxnard Plain Palos Verdes Hills Puente Hills San Fernando Valley San Gabriel Mountains San Gabriel Valley San Jacinto Mountains Santa Ana Mountains Santa Catalina Island Santa Monica Mountains Santa Susana Mountains Sierra Pelona Ridge Simi Hills Verdugo Mountains
Bodies of water	Aliso Creek Arroyo Calabasas Arroyo Seco Ballona Creek Bell Creek Big Bear Lake Coyote Creek Lake Arrowhead Lake Gregory Lake Perris Lake Piru Los Angeles Aqueduct Los Angeles River Malibu Creek Mojave River Pacific Ocean Pyramid Lake Rio Hondo San Gabriel River San Juan Creek San Pedro Bay Santa Ana River Santa Clara River Santa Margarita River Santa Monica Bay Tujunga Wash

v t e State of California
Sacramento (capital)
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Metro regions	Fresno–Madera Los Angeles-Long Beach-Anaheim Sacramento–Roseville Riverside–San Bernardino–Ontario San Diego–Tijuana San Jose–San Francisco–Oakland
Counties	Alameda Alpine Amador Butte Calaveras Colusa Contra Costa Del Norte El Dorado Fresno Glenn Humboldt Imperial Inyo Kern Kings Lake Lassen Los Angeles Madera Marin Mariposa Mendocino Merced Modoc Mono Monterey Napa Nevada Orange Placer Plumas Riverside Sacramento San Benito San Bernardino San Diego San Francisco San Joaquin San Luis Obispo San Mateo Santa Barbara Santa Clara Santa Cruz Shasta Sierra Siskiyou Solano Sonoma Stanislaus Sutter Tehama Trinity Tulare Tuolumne Ventura Yolo Yuba
Most populous cities	Los Angeles San Diego San Jose San Francisco Fresno Sacramento Long Beach Oakland Bakersfield Anaheim
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