California's 13th 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 ...

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 ...

. Adam Gray, a Democrat, has represented this district since January 2025. In the 2022 redistricting cycle, the district was moved to the

San Joaquin Valley The San Joaquin Valley ( ; Spanish language in California, Spanish: ''Valle de San Joaquín'') is the southern half of California's Central Valley (California), Central Valley. Famed as a major breadbasket, the San Joaquin Valley is an importa ...

, while the old 13th district was renumbered as the 12th. The new 13th district includes all of Merced County; most of the population of Madera County; and parts of Stanislaus,

Fresno Fresno (; ) is a city in the San Joaquin Valley of California, United States. It is the county seat of Fresno County, California, Fresno County and the largest city in the greater Central Valley (California), Central Valley region. It covers a ...

, and San Joaquin counties. It includes the cities of Merced, Madera, Ceres, Patterson, Lathrop, Chowchilla, Atwater, Coalinga, and Mendota; as well as the southern parts of both

Modesto Modesto ( ; ) is the county seat and largest city of Stanislaus County, California, United States. With a population of 218,069 according to 2022 U.S. Census Bureau estimates, it is the 19th-most populous city in California. Modesto is locate ...

and Turlock. The new 13th district is considered a Democratic-leaning swing district. Despite that, Duarte was narrowly elected to represent it in

2022 The year began with another wave in the COVID-19 pandemic, with SARS-CoV-2 Omicron variant, Omicron spreading rapidly and becoming the dominant variant of the SARS-CoV-2 virus worldwide. Tracking a decrease in cases and deaths, 2022 saw ...

. As a result, it was one of 18 districts won by Republicans in 2022 that voted for

Joe Biden Joseph Robinette Biden Jr. (born November 20, 1942) is an American politician who was the 46th president of the United States from 2021 to 2025. A member of the Democratic Party (United States), Democratic Party, he served as the 47th vice p ...

in the 2020 presidential election. Two years later, it was one of 13 congressional districts that voted for

Donald Trump Donald John Trump (born June 14, 1946) is an American politician, media personality, and businessman who is the 47th president of the United States. A member of the Republican Party (United States), Republican Party, he served as the 45 ...

in the 2024 presidential election while simultaneously electing a Democrat in the 2024 House of Representatives elections. Prior to the 2022 redistricting, the 13th district contained cities in the northwestern portion of

Alameda County Alameda County ( ) is a county located in the U.S. state of California. As of the 2020 census, the population was 1,682,353, making it the 7th-most populous county in the state and 21st most populous nationally. The county seat is Oakland. A ...

including Alameda, Albany, Berkeley, Emeryville,

Oakland Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat and most populous city in Alameda County, with a population of 440,646 in 2020. A major West Coast port, Oakland is ...

Piedmont Piedmont ( ; ; ) is one of the 20 regions of Italy, located in the northwest Italy, Northwest of the country. It borders the Liguria region to the south, the Lombardy and Emilia-Romagna regions to the east, and the Aosta Valley region to the ...

, and San Leandro.

Recent election results from statewide races

Composition

Due to the 2020 redistricting, California's 13th congressional district has been moved geographically to the

. It encompasses Merced County, and parts of San Joaquin, Stanislaus, Madera, and

Counties. The area in San Joaquin County includes the city of Lathrop. The area in Stanislaus County includes the southern halves of the cities of

and Turlock; the cities of Ceres, Patterson, and Newman; and the census-designated places

Empire An empire is a political unit made up of several territories, military outpost (military), outposts, and peoples, "usually created by conquest, and divided between a hegemony, dominant center and subordinate peripheries". The center of the ...

Airport An airport is an aerodrome with extended facilities, mostly for commercial Aviation, air transport. They usually consist of a landing area, which comprises an aerially accessible open space including at least one operationally active surf ...

, Rouse, Bystrom, Parklawn, Bret Harte, Riverdale Park, West Modesto, Keyes, Cowan, Monterey Park Tract, Grayson, Westley, Crows Landing, and Diablo Grande. The area in Madera County includes the cities of Chowchilla and Madera and the census-desiganted places Fairmead, Madera Acres, Parksdale, Parkwood, La Vina, Bonadelle Ranchos, and Madera Ranchos. The area in Fresno County includes the cities of Coalinga, Mendota,

Kerman Kerman (; ) is a city in the Central District (Kerman County), Central District of Kerman County, Kerman province, Kerman province, Iran, serving as capital of the province, the county, and the district. History Kerman was founded as a def ...

, Firebaugh, San Joaquin, and Huron; and the census-designated places Biola, Raisin City, Caruthers, Laton, Riverdale, Lanare,

Tranquillity Tranquillity (also spelled tranquility) is the quality or state of being tranquil; that is, calm, serene, and worry-free. The word tranquillity appears in numerous texts ranging from the religious writings of Buddhism—where the term refers to ...

, Three Rocks, Cantua Creek, and Westside. San Joaquin County is split between this district and the 9th district. They are partitioned by Union Pacific, Highway 380, S Tracy Blvd, the California Aqueduct, S Banta Rd, Highway 5, Paradise Cut, S Manthey Rd, Walthall Slough, E West Ripon Rd, Kincaid Rd, Hutchinson Rd, and Stanislaus River. Stanislaus County is split between this district and the 5th district. They are partitioned by S Golden State Blvd, Highway J14, Union Pacific, Highway 99, N Golden State Blvd, Faith Home Rd, Rohde Rd, Moore Rd, Tuolumne River, Burlington Northern Santa Fe, Lateral No 2 Park, Viola St, Roble Ave, N Conejo Ave, N Carpenter Rd, Kansas Ave, Morse Rd, and Stanislaus River. Madera County is split between this district and the 5th district. They are partitioned by Road 35, Road 36, Road 38, Madera Equalization Reservoir, River Rd, Avenue 21, Road 23, Avenue 27, Road 22 1/2, and Berenda Slough. Fresno County is split between this district and the 21st district. They are partitioned by N Dickenson Ave, Highway 180, S Garfield Ave, W California Ave, S Grantland Ave, W Jensen Ave, S Chateau Fresno Ave, W North Ave, W American Ave, S Westlawn Ave, W Lincoln Ave, Shayes Ave, W Sumner Ave, S Cornelia Ave, W South Ave, S East Ave, E Mountain View Ave, S Sunnyside Ave, E Clemenceau Ave, S Fowler Ave, E Elkhorn Ave.

Cities and CDPs of 10,000 or more people

– 218,464 * Merced – 86,333 * Turlock – 72,740 * Madera – 66,224 * Ceres – 49,302 * Los Banos – 45,532 * Atwater – 31,970 * Lathrop – 28,701 * Patterson – 23,781 * Chowchilla – 19,039 * Coalinga – 17,590 *

– 16,016 * Mendota – 15,595 * Livingston – 14,172 * Newman – 12,351 * Winton – 11,709 *

Delhi Delhi, officially the National Capital Territory (NCT) of Delhi, is a city and a union territory of India containing New Delhi, the capital of India. Straddling the Yamuna river, but spread chiefly to the west, or beyond its Bank (geography ...

– 10,656

2,500 – 10,000 people

* Madera Acres – 9,162 * Firebaugh – 8,096 * Franklin – 6,919 * Huron – 6,206 * Gustine – 6,110 * West Modesto – 5,965 * Dos Palos – 5,798 * Keyes – 5,672 * Bonadelle Ranchos – 5,497 * Hilmar-Irwin – 5,164 * Bret Harte – 5,135 * McSwain – 4,480 *

– 4,202 * Planada – 4,164 * Bystrom – 3,957 * San Joaquin – 3,701 * Madera Ranchos – 3,623 * Riverdale – 3,477 * Parksdale – 3,234 * Caruthers – 2,613

List of members representing the district

Election results

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1974 (Special)

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2016

2018

2020

2022

2024

References

External links

*GovTrack.us
California's 13th congressional district
(out of date)
California Voter Foundation map - CD13
(out of date) {{DEFAULTSORT:California's 13th Congressional District 13 Government of Alameda County, California Constituencies established in 1933 1933 establishments in California