California's 27th congressional district is a

congressional district Congressional districts, also known as electoral districts and legislative districts, electorates, or wards in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional bod ...

in the

U.S. state In the United States, a state is a constituent political entity, of which there are 50. Bound together in a political union, each state holds governmental jurisdiction over a separate and defined geographic territory where it shares its sover ...

California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...

. The district is currently represented by . It comprises parts of

Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...

and

San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...

counties and covers much of the

San Gabriel Foothills The Foothills of the San Gabriel Valley are the foothills and hills in the San Gabriel Valley of eastern Los Angeles County, California, Los Angeles County, California. They include the foothills of the San Gabriel Mountains, and independent low ...

. Communities in the district include

Alhambra The Alhambra (, ; ar, الْحَمْرَاء, Al-Ḥamrāʾ, , ) is a palace and fortress complex located in Granada, Andalusia, Spain. It is one of the most famous monuments of Islamic architecture and one of the best-preserved palaces of the ...

Altadena Altadena () ("Alta", Spanish for "Upper", and "dena" from Pasadena) is an unincorporated area and census-designated place in the Verdugo Mountains region of Los Angeles County, California, approximately 14 miles (23 km) from the downtown ...

Arcadia Arcadia may refer to: Places Australia * Arcadia, New South Wales, a suburb of Sydney * Arcadia, Queensland * Arcadia, Victoria Greece * Arcadia (region), a region in the central Peloponnese * Arcadia (regional unit), a modern administrative un ...

, Bradbury, Claremont, East Pasadena, Monterey Park, Rosemead,

San Antonio Heights San Antonio Heights is a census-designated place (CDP) in the San Bernardino County, California. It is in the northern Pomona Valley and the foothills of the San Gabriel Mountains. The population was 3,371 at the 2010 census, up from 3,122 at the ...

, San Gabriel,

San Marino San Marino (, ), officially the Republic of San Marino ( it, Repubblica di San Marino; ), also known as the Most Serene Republic of San Marino ( it, Serenissima Repubblica di San Marino, links=no), is the fifth-smallest country in the world an ...

Sierra Madre Sierra Madre (Spanish, 'mother mountain range') may refer to: Places and mountains Mexico *Sierra Madre Occidental, a mountain range in northwestern Mexico and southern Arizona *Sierra Madre Oriental, a mountain range in northeastern Mexico *S ...

, South Pasadena, and

Temple City Temple City, officially the City of Temple City, is a city in Los Angeles County, California located northeast of downtown Los Angeles and at the base of the San Gabriel Mountains. Temple City is part of a cluster of cities, along with Pasadena ...

; most of Glendora and

Pasadena Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. Its ...

; and parts of

Monrovia Monrovia () is the capital city of the West African country of Liberia. Founded in 1822, it is located on Cape Mesurado on the Atlantic coast and as of the 2008 census had 1,010,970 residents, home to 29% of Liberia’s total population. As the ...

and Upland. Prior to redistricting in 2012, the district was located entirely within Los Angeles County, encompassing a substantial portion of the

San Fernando Valley The San Fernando Valley, known locally as the Valley, is an urbanized valley in Los Angeles County, California. Located to the north of the Los Angeles Basin, it contains a large portion of the City of Los Angeles, as well as unincorporated ar ...

. For the 2022 election cycle, the district was redrawn to include most of northern Los Angeles County, including

Santa Clarita Santa Clarita (; Spanish for "Little St. Clare") is a city in northwestern Los Angeles County in the U.S. state of California. With a 2020 census population of 228,673, it is the third-largest city by population in Los Angeles County, the 17t ...

Palmdale Palmdale is a city in northern Los Angeles County in the U.S. state of California. The city lies in the Antelope Valley region of Southern California. The San Gabriel Mountains separate Palmdale from the Los Angeles Basin to the south. On Aug ...

, Lancaster, and the northwestern

. This district covers most of the area that was previously the 25th district, and parts of the former 23rd and 30th districts.

Competitiveness

In statewide races

Composition

As of the 2020 redistricting, California's 27th congressional district is located in southern California. It encompasses most of northern Los Angeles County, including the cities of

, Lancaster, and

Palmdale, California Palmdale is a city in northern Los Angeles County in the U.S. state of California. The city lies in the Antelope Valley region of Southern California. The San Gabriel Mountains separate Palmdale from the Los Angeles Basin to the south. On Aug ...

; the neighborhoods of

Porter Ranch Porter Ranch is a suburban neighborhood in the northwest San Fernando Valley region of the City of Los Angeles, California. History New home construction that was completed in the Porter Ranch area in the 1990s–2000s, including the Renaiss ...

and Granada Hills in the city of

, along with the

Sierra Pelona Mountains The Sierra Pelona, also known as the Sierra Pelona Ridge or the Sierra Pelona Mountains, is a mountain ridge in the Transverse Ranges in Southern California. Located in northwest Los Angeles County, the ridge is bordered on the north by the San An ...

and the northern slopes of the

San Gabriel Mountains The San Gabriel Mountains ( es, Sierra de San Gabriel) are a mountain range located in northern Los Angeles County, California, Los Angeles County and western San Bernardino County, California, United States. The mountain range is part of the Tr ...

Cities & CDP with 10,000 or more people

- 228,673 * Lancaster - 173,516 *

- 169,450

List of members representing the district

Election results

1952

1954

1956

1958

1960

1962

1964

1966

1968

1969 (Special)

1970

1972

1974

1976

1978

1980

1982

1984

1986

1988

1990

1992

1994

1996

1998

2000

2002

2004

2006

2008

2010

2012

2014

2016

2018

2020

References

External links

* GovTrack.us
California's 27th congressional district

California Voter Foundation map - CD27
{{DEFAULTSORT:California's 27th Congressional District 27 Government of Los Angeles County, California Alhambra, California Altadena, California Arcadia, California Claremont, California Glendora, California Monrovia, California Pasadena, California San Gabriel, California San Marino, California Sierra Madre, California South Pasadena, California Temple City, California Upland, California Constituencies established in 1953 1953 establishments in California