California's 45th Congressional District
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California's 45th congressional district is a
congressional district Congressional districts, also known as electoral districts in other nations, are divisions of a larger administrative region that represent the population of a region in the larger congressional body. Countries with congressional districts includ ...
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 so ...
of
California California () is a U.S. state, state in the Western United States that lies on the West Coast of the United States, Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east, and shares Mexico–United States border, an ...
currently represented by Democrat
Derek Tran Derek Truyen Tran (born December 22, 1980) is an American lawyer and politician who has served as the U.S. representative from since 2025. A member of the Democratic Party, Tran is the third Vietnamese American to be elected to Congress and th ...
. The 45th district was created as a result of the redistricting cycle after the
1980 census The 1980 United States census, conducted by the Census Bureau, determined the resident population of the United States to be 226,545,805, an increase of 11.4% over the 203,184,772 persons enumerated during the 1970 census. It was the first ce ...
. The district is based in
Orange Orange most often refers to: *Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis'' ** Orange blossom, its fragrant flower ** Orange juice *Orange (colour), the color of an orange fruit, occurs between red and yellow in the vi ...
and
Los Angeles Los Angeles, often referred to by its initials L.A., is the List of municipalities in California, most populous city in the U.S. state of California, and the commercial, Financial District, Los Angeles, financial, and Culture of Los Angeles, ...
counties and includes all of Garden Grove,
Westminster Westminster is the main settlement of the City of Westminster in Central London, Central London, England. It extends from the River Thames to Oxford Street and has many famous landmarks, including the Palace of Westminster, Buckingham Palace, ...
, Cerritos,
Buena Park Buena Park (''Buena'', Spanish for "Good") is a city in northern Orange County, California, United States. As of the 2020 census its population was 84,034. It is the location of several tourist attractions, including Knott's Berry Farm. It is ...
, Placentia,
Hawaiian Gardens Hawaiian Gardens is a city in Los Angeles County, California, United States. It is the smallest city in the county in area (approximately 1.0 mi2) and was incorporated on April 9, 1964. The population was 14,149 at the 2020 United States ce ...
,
Cypress Cypress is a common name for various coniferous trees or shrubs from the ''Cupressus'' genus of the '' Cupressaceae'' family, typically found in temperate climates and subtropical regions of Asia, Europe, and North America. The word ''cypress'' ...
, Fountain Valley, Artesia, Los Alamitos, Rossmoor, and
La Palma La Palma (, ), also known as ''La isla bonita'' () and historically San Miguel de La Palma, is the most northwesterly island of the Canary Islands, a Spanish autonomous community and archipelago in Macaronesia in the North Atlantic Ocean. La Pa ...
, as well as parts of Brea, Lakewood, and Fullerton. In 2018, incumbent Representative Mimi Walters competed against a field of four Democrats and an independent candidate in the primary election for the
2018 midterm elections Elections were held in the United States on November 6, 2018. These midterm elections occurred during incumbent Republican president Donald Trump's first term. Although the Republican Party increased its majority in the Senate, Democratic incum ...
. On February 25, 2018,
UC Irvine UC may refer to: Education In the United States * University of California system * University of Charleston, West Virginia * University of Chicago, Illinois * University of Cincinnati, Ohio * Upsala College, East Orange, New Jersey (''defunct ...
(UCI) assistant law professor
Dave Min David Kunnghee Min (born March 5, 1976) is an American lawyer and politician who has served as the U.S. representative from California's 47th congressional district since 2025. A member of the Democratic Party, he represented the 37th district ...
received the endorsement of the
California Democratic Party The California Democratic Party is the affiliate of the Democratic Party in the U.S. state of California. It is headquartered in Sacramento, the state capital. With 46.59% of the state's registered voters as of February 2024, the Democratic ...
. Min, former White House senior technology advisor
Brian Forde Brian Michael Forde (born November 1, 1963) is a Canadian former professional football player who was a linebacker in the National Football League (NFL) and Canadian Football League (CFL). He played for the New Orleans Saints from 1988 to 1991, ...
, former legislative assistant to
Sherrod Brown Sherrod Campbell Brown ( ; born November 9, 1952) is an American politician who served from 2007 to 2025 as a United States senator from Ohio. A member of the Democratic Party, he was the U.S. representative for from 1993 to 2007 and the 47t ...
(D-OH) Kia Hamadanchy, UCI law professor
Katie Porter Katherine Moore Porter (born January 3, 1974) is an American politician and lawyer who served as a U.S. House of Representatives, U.S. representative from California from 2019 to 2025. She is a member of the Democratic Party (United States), Dem ...
, and UCI business professor John Graham ran in the "top two" primary in June 2018. Walters and Porter placed first and second and advanced to the general election in November. On November 14, 2018, eight days after polls closed,
Dave Wasserman David Nathan Wasserman (born September 13, 1984) is an American political analyst known for his coverage of elections to the United States House of Representatives. He has worked as an editor at the nonpartisan election analysis newsletter ''The ...
, then the House Editor for
The Cook Political Report Amy Elizabeth Walter (born October 19, 1969)"Profile: Amy Walter"
election in this district was one of the state's most competitive. In its current form after the 2020 redistricting, the district has a significant presence of
Asian-American Asian Americans are Americans with ancestry from the continent of Asia (including naturalized Americans who are immigrants from specific regions in Asia and descendants of those immigrants). Although this term had historically been used for ...
voters.


Recent election results from statewide races


Composition

Under the 2020 redistricting, California's 45th congressional district is located in
Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural List of regions of California, region that generally comprises the southern portion of the U.S. state of California. Its densely populated coastal reg ...
, taking up western Orange County and east
Los Angeles County 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 individua ...
. The area in Orange County includes the cities of
Cypress Cypress is a common name for various coniferous trees or shrubs from the ''Cupressus'' genus of the '' Cupressaceae'' family, typically found in temperate climates and subtropical regions of Asia, Europe, and North America. The word ''cypress'' ...
, Brea, Placentia,
Westminster Westminster is the main settlement of the City of Westminster in Central London, Central London, England. It extends from the River Thames to Oxford Street and has many famous landmarks, including the Palace of Westminster, Buckingham Palace, ...
, Garden Grove,
Buena Park Buena Park (''Buena'', Spanish for "Good") is a city in northern Orange County, California, United States. As of the 2020 census its population was 84,034. It is the location of several tourist attractions, including Knott's Berry Farm. It is ...
, Fountain Valley, Los Alamitos,
La Palma La Palma (, ), also known as ''La isla bonita'' () and historically San Miguel de La Palma, is the most northwesterly island of the Canary Islands, a Spanish autonomous community and archipelago in Macaronesia in the North Atlantic Ocean. La Pa ...
, and northern Fullerton, part of
Yorba Linda Yorba Linda is a suburban city in northeastern Orange County, California, United States, approximately southeast of downtown Los Angeles. It is part of the Los Angeles metropolitan area, and had a population of 68,336 at the 2020 census. Yorb ...
; and the census-designated places Rossmoor and
Midway City Midway City is an unincorporated community and census-designated place (CDP) that forms part of the county land controlled by Orange County, California. The only area in Orange County that incorporates its chamber of commerce and homeowners as ...
. The area in Los Angeles County includes the cities of Cerritos, Artesia,
Hawaiian Gardens Hawaiian Gardens is a city in Los Angeles County, California, United States. It is the smallest city in the county in area (approximately 1.0 mi2) and was incorporated on April 9, 1964. The population was 14,149 at the 2020 United States ce ...
, and part of Lakewood. Orange County is split between this district, the 40th district, the 46th district, and the 47th district. The 45th and 40th are partitioned by Orange Freeway, E Lambert Rd, Sunrise Rd, Foothill Ln, Wandering Ln, N Associated Rd, E Birch St, S Valencia Ave, La Plaza Dr, La Floresta Dr, La Crescenta Dr, Highway 90, 1053 E Imperial Highway-343 Tolbert St, Vesuvius Dr, Rose Dr, Wabash Ave, 6th St, Golden Ave, Carbon Canyon Creek, E Yorba Linda Blvd, Jefferson St, 1401 Zion Ave-N Van Buren St, Buena Vista Ave, 17225 Orange Blossom Ln-1480 E Howard Pl, 17511 Pine Cir-Orchard Dr, Mariposa Ave, Lakeview Ave, E Miraloma Ave, Fee-Ana St, Sierra Madre Cir, E Orangethorpe Ave, Burlington Northern Santa Fe Railroad, Kensington Ave, N Kraemer Blvd, Carbon Creek, and E La Jolla St. The 45th and 46th are partitioned by Santa Ana River, W Lehnhardt Ave, Gloxinia Ave, Lilac Way, Edinger Ave, Pebble Ct, 10744 W Lehnhardt Ave-10726 Kedge Ave, 724 S Sail St-5641 W Barbette Ave-407 S Starboard St, Starboard St/S Cooper St, Taft St, Hazard Ave, N Euclid St, Westminster Ave, Clinton St, 14300 Clinton St-1001 Mar Les Dr, Mar Les Dr, 2729 Huckleberry Rd, N Fairview St, Fairview St, 13462 Garden Grove Blvd-13252 Marty Ln, Townley St/Siemon Ave, W Garden Grove Blvd, S Lewis St, W Chapman Ave, E Simmons Ave, S Haster St, Ascot Dr, W Orangewood Ave, S 9th St, 2209 S Waverly Dr-11751 S Waverly Dr, Euclid St, Haven Ln, W Dudley Ave, S Euclid St, Katella Ave, Dale St, Rancho Alamitos High School, Orangewood Ave, Barber City Channel, Arrowhead St, Del Rey Dr, Westcliff Dr, Lampson Ave, Fern St, Garden Glove Blvd, Union Pacific Railroad, 7772 W Chapman Ave-Bently Ave, Highway 39, Western Ave, Stanton Storm Channel, Knott Ave, 6970 Via Kannela-6555 Katella Ave, Cerritos Ave, 10490 Carlotta Ave-Ball Rd, John Beat Park, S Knott Ave, Solano Dr, Monterra Way, Campesina Dr, Holder Elementary School, W Orange Ave, 6698 Via Riverside Way-Orangeview Junior High School, W Lincoln Ave, 195 N Western Ave-298 N Western Ave, 3181 W Coolidge Ave-405 N Dale St, W Crescent Ave, N La Reina St, W La Palma Ave, Boisseranc Park, I-5 HOV Lane, Orangethorpe Ave, Fullerton Creek, Whitaker St, Commonwealth Ave, Los Angeles County Metro, W Malvern Ave, W Chapman Ave, E Chapman Ave, S Placentia Ave, Kimberly Ave, E Orangethorpe Ave, and 2500 E Terrace St-Highway 57. The 45th and 47th are partitioned by Highway 405, Old Ranch Parkway, Seal Beach Blvd, St Cloud Dr, Montecito Rd, Rossmoor Center Way, 12240 Seal Beach Blvd-Los Alamitos Army Airfield, Bolsa Chica Channel, Rancho Rd, Harold Pl, Springdale St, 6021 Anacapa Dr-Willow Ln, Edward St, Bolsa Ave, Goldenwest St, McFadden Ave, Union Pacific Railroad, 15241 Cascade Ln-15241 Cedarwood Ave, Highway 39, Edinger Ave, Newland St, Heil Ave, Magnolia St, Warner Ave, Garfield Ave, and the Santa Ana River. Los Angeles County is split between this district, the 38th district, and the 42nd district. The 45th and 42nd are partitioned by San Gabriel River, Palo Verde Ave, South St, Del Amo Blvd, Pioneer Blvd, Coyote Creek, Centralia Creek, Hawaiian Ave, Verne Ave, Bloomfield Park, Highway 605, 226th St, Dorado Cir, Cortner Ave, E Woodson St, Bloomfield Ave, Lilly Ave, Marna Ave, and Los Alamos Channel. The 45th and 38th are partitioned by Valley View Ave, Southern Pacific Railroad, Alondra Blvd, 15917 Canyon Creek Rd-12371 Hermosura St, Norwalk Blvd, 166th St, and Cerritos College Child Development-Alondra Blvd.


Cities and CDPs with 10,000 or more people

* Garden Grove – 171,949 * Fullerton – 143,617 *
Westminster Westminster is the main settlement of the City of Westminster in Central London, Central London, England. It extends from the River Thames to Oxford Street and has many famous landmarks, including the Palace of Westminster, Buckingham Palace, ...
– 90,911 *
Buena Park Buena Park (''Buena'', Spanish for "Good") is a city in northern Orange County, California, United States. As of the 2020 census its population was 84,034. It is the location of several tourist attractions, including Knott's Berry Farm. It is ...
– 84,034 * Lakewood – 82,496 *
Yorba Linda Yorba Linda is a suburban city in northeastern Orange County, California, United States, approximately southeast of downtown Los Angeles. It is part of the Los Angeles metropolitan area, and had a population of 68,336 at the 2020 census. Yorb ...
– 68,336 * Fountain Valley – 57,047 * Placentia – 51,824 *
Cypress Cypress is a common name for various coniferous trees or shrubs from the ''Cupressus'' genus of the '' Cupressaceae'' family, typically found in temperate climates and subtropical regions of Asia, Europe, and North America. The word ''cypress'' ...
– 50,151 * Cerritos – 49,578 * Brea – 47,325 * Artesia – 16,395 *
La Palma La Palma (, ), also known as ''La isla bonita'' () and historically San Miguel de La Palma, is the most northwesterly island of the Canary Islands, a Spanish autonomous community and archipelago in Macaronesia in the North Atlantic Ocean. La Pa ...
– 15,581 *
Hawaiian Gardens Hawaiian Gardens is a city in Los Angeles County, California, United States. It is the smallest city in the county in area (approximately 1.0 mi2) and was incorporated on April 9, 1964. The population was 14,149 at the 2020 United States ce ...
– 13,593 * Los Alamitos – 11,780 * Rossmoor – 10,625


2,500 – 10,000 people

*
Midway City Midway City is an unincorporated community and census-designated place (CDP) that forms part of the county land controlled by Orange County, California. The only area in Orange County that incorporates its chamber of commerce and homeowners as ...
– 8,825


List of members representing the district


Election results


1982


1984


1986


1988


1990


1992


1994


1996


1998


2000


2002


2004


2006


2008


2010


2012


2014


2016


2018


2020


2022


2024


Historical district boundaries


2003-13

From 2003 to 2013, this district was based in
Riverside County Riverside County is a county located in the southern portion of the U.S. state of California. As of the 2020 census, its population was 2,418,185, making it the fourth-most populous county in California and the 10th-most populous in the Unit ...
. The district included the communities of
Palm Springs Palm Springs (Cahuilla language, Cahuilla: ''Séc-he'') is a desert resort city in Riverside County, California, United States, within the Colorado Desert's Coachella Valley. The city covers approximately , making it the largest city in Rivers ...
,
Moreno Valley Moreno Valley is a city in Riverside County, California, United States, and is part of the Riverside–San Bernardino–Ontario metropolitan area. It is the second-largest city in Riverside County by population and one of the Inland Empire's pop ...
,
Palm Desert Palm Desert is a city in the Coachella Valley region of Riverside County, California. The city is located in the Colorado Desert arm of the Sonoran Desert, about east of Palm Springs, northeast of San Diego and east of Los Angeles. The populat ...
,
Hemet Hemet is a city in the San Jacinto Valley in Riverside County, California, United States. It covers a total area of , about half of the valley, which it shares with the neighboring city of San Jacinto. The population was 89,833 at the 2020 ...
,
Cathedral City City status in the United Kingdom is granted by the the Crown, monarch of the United Kingdom to specific centres of population, which might or might not meet the generally accepted definition of city, cities. , there are List of cities in the Un ...
,
Temecula Temecula (; , ; Luiseño: ''Temeekunga'') is a city in southwestern Riverside County, California, United States. The city had a population of 110,003 as of the 2020 census and was incorporated on December 1, 1989. The city is a tourist and ...
,
Blythe The name Blythe ( or ) derives from Old English ''bliþe'' ("joyous, kind, cheerful, pleasant"; modern ''blithe''), and further back from Proto-Germanic ''*blithiz'' ("gentle, kind"). People *Blythe (given name), including a list of people named ...
,
Rancho Mirage Rancho Mirage is a city in Riverside County, California, United States. The city is a low-density desert community with resorts, golf courses, and country clubs within the Colorado Desert section of the Sonoran Desert. Nestled along the foothills ...
,
Murrieta Murrieta is a city in southwestern Riverside County, California, United States. The population of Murrieta was 110,949 as of the 2020 census. Murrieta experienced a 133.7% population increase between 2000 and 2010, making it one of the fastest ...
,
Indio Indio may refer to: Places * Indio, Bovey Tracey, an historic estate in Devon, England * Indio, California, a city in Riverside County, California, United States People with the name * Indio (musician), Canadian musician Gordon Peterson * Índi ...
, Indian Wells,
La Quinta La Quinta (a Spanish idiom meaning "the country villa") is a desert resort city in Riverside County, California, United States. Located between Indian Wells and Indio, it is one of the nine cities of the Coachella Valley. The population was ...
, Cabazon, Anza,
Thermal A thermal column (or thermal) is a rising mass of buoyant air, a convective current in the atmosphere, that transfers heat energy vertically. Thermals are created by the uneven heating of Earth's surface from solar radiation, and are an example ...
, Idyllwild,
Coachella Coachella (officially called the Coachella Valley Music and Arts Festival and sometimes known as Coachella Festival) is an annual music festival, music and arts festival held at the Empire Polo Club in Indio, California, in the Coachella Valle ...
, and other unincorporated areas of
Riverside County Riverside County is a county located in the southern portion of the U.S. state of California. As of the 2020 census, its population was 2,418,185, making it the fourth-most populous county in California and the 10th-most populous in the Unit ...
.


2013-23



See also

*
List of United States congressional districts Congressional districts in the United States are electoral divisions for the purpose of electing members of the United States House of Representatives. The number of voting seats within the House of Representatives is currently set at 435, wi ...
*
California's congressional districts California is the most populous U.S. state; as a result, it has the most representation in the United States House of Representatives, with 52 Representatives. Each Representative represents one List of United States congressional districts, cong ...


References


External links

*GovTrack.us
California's 45th congressional districtCalifornia Voter Foundation map - CD45
{{DEFAULTSORT:California's 45th Congressional District 45 Government of Orange County, California Anaheim, California Irvine, California Laguna Hills, California Lake Forest, California Mission Viejo, California Orange, California Tustin, California Constituencies established in 1983 1983 establishments in California