Wikipedia

California's 31st congressional district

"CA-31" redirects here. For former State Route 31, see Interstate 15 in California.

California's 31st congressional district is a congressional district in Los Angeles County, in the U.S. state of California. The district is located in the San Gabriel Valley and contains most of the Hispanic-majority areas in that region.

California's 31st congressional district
Map
Interactive map of district boundaries since January 3, 2023
Representative
Population (2023)717,084
Median household
income		$88,407[1]
Ethnicity
Cook PVID+15[2]

From January 3, 2023, following the 2020 redistricting cycle, the district is currently represented by Democrat Gil Cisneros.

Recent election results from statewide races

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Year Office Results[3][4][5][6]
2008 President Obama 63% - 36%
2012 President Obama 66% - 34%
2016 President Clinton 66% - 29%
2018 Governor Newsom 64% - 36%
Attorney General Becerra 67% - 33%
2020 President Biden 64% - 33%
2022 Senate (Reg.) Padilla 61% - 39%
Governor Newsom 58% - 42%
Lt. Governor Kounalakis 59% - 41%
Secretary of State Weber 59% - 41%
Attorney General Bonta 58% - 42%
Treasurer Ma 58% - 42%
Controller Cohen 56% - 44%
2024 President Harris 57% - 40%
Senate (Reg.) Schiff 57% - 43%

Composition

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# County Seat Population
37 Los Angeles Los Angeles 9,663,345

As of the 2020 redistricting, California's 31st congressional district is located in Southern California. It takes up part of eastern Los Angeles County.

Los Angeles County is split between this district, the 28th district, the 34th district, and the 38th district. The 31st and the 28th are partitioned by Rio Hondo River, Garvey Ave, Highway 19, Highway 10, Eaton Wash, Temple City Blvd, Valley Blvd, Ellis Ln, Lower Azusa Rd, Grande Ave, Santa Anita Ave, Lynrose St, Flood Control Basin, Peck Rd, Randolph St, Cogswell Rd, Clark St, Durfree Ave, Santa Anita Wash, S 10th Ave, Jeffries Ave, Mayflower/Fairgreen Ave, Alta Vista/Fairgreen Ave, El Norte Ave, S 5th Ave, Valencia Way/N 5th Ave, Hillcrest Blvd, E Hillcrest Blvd, Grand Ave, E Greystone Ave, N Bradoaks Ave, Angeles National Forest, W Fork Rd, Highway 39, Cedar Creek, Iron Fork, Glendora Mountain Rd, Morris Reservoir, W Sierra Madre Ave, N Lorraine Ave, E Foothill Blvd, E Carroll Ave, Steffen St, S Lorraine Ave, AT and SF Railway, E Route 66, N Cataract Ave, San Dimas Canyon Rd, Clayton Ct, Live Oak Canyon, Rotary Dr, Highway 30, Williams Ave, Highway 210, Garey Ave, and Summer Ave.

The 31st, 35th, and 38th are partitioned by Whittier Narrows Recreation Area, N Lexington-Gallatin Rd, N Durfree Ave, E Thienes Ave, E Rush St, N Burkett Rd, Cunningham Dr, Eaglemont Dr, Oakman Dr, Arciero Dr, Grossmont Dr, Workman Mill Rd, Bunbury Dr, Fontenoy Ave, Ankerton, Whittier Woods Circle, Union Pacific Railroad, San Gabriel Freeway, N Peck Rd, Mission Mill Rd, Rose Hills Rd, Wildwood Dr, Clark Ave, San Jose Creek, Turnbull Canyon Rd, E Gale Ave, Pomona Freeway, Colima Rd, E Walnut Dr N, Nogales St, E Walnut Dr S, Fairway Dr, E Valley Blvd, Calle Baja, La Puente Rd, S Sentous Ave, N Nogales St, Amar Rd, Walnut City Parkland, San Bernardino Freeway, Fairplex Dr, Via Verde, Puddingstone Reservoir, McKinley Ave, N Whittle Ave, Arrow Highway, Fulton Rd, and Foothill Blvd. The 31st district takes in the cities of El Monte, West Covina, Baldwin Park, Azusa, San Dimas, La Verne, Duarte, South El Monte, Industry, La Puente, Bradbury, Irwindale, and Covina, the south sides of the cities of Glendora and Monrovia, and the census-designated places Avocado Heights, North El Monte, South San Jose Hills, West Puente Valley, Valinda, Mayflower Village, South Monrovia Island, Vincent, Citrus, and Charter Oak

Cities and CDPs with 10,000 or more people

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2,500 to 10,000 people

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List of members representing the district

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Member Party Dates Cong
ress(es) 		Electoral history Counties
District created January 3, 1963
 
Charles H. Wilson
(Hawthorne) 		Democratic January 3, 1963 –
January 3, 1981 		88th
89th
90th
91st
92nd
93rd
94th
95th
96th 		Elected in 1962.
Re-elected in 1964.
Re-elected in 1966.
Re-elected in 1968.
Re-elected in 1970.
Re-elected in 1972.
Re-elected in 1974.
Re-elected in 1976.
Re-elected in 1978.
Lost re-nomination. 		1963–1969
Los Angeles
1969–1973
Los Angeles
1973–1975
Los Angeles
1975–1983
Los Angeles
 
Mervyn M. Dymally
(Compton) 		Democratic January 3, 1981 –
January 3, 1993 		97th
98th
99th
100th
101st
102nd 		Elected in 1980.
Re-elected in 1982.
Re-elected in 1984.
Re-elected in 1986.
Re-elected in 1988.
Re-elected in 1990.
Retired.
1983–1993
Los Angeles (Carson, Compton)
 
Matthew G. Martínez
(Monterey Park) 		Democratic January 3, 1993 –
July 27, 2000 		103rd
104th
105th
106th 		Redistricted from the 30th district and re-elected in 1992.
Re-elected in 1994.
Re-elected in 1996.
Re-elected in 1998.
Lost re-nomination. 		1993–2003
Los Angeles (Baldwin Park, East L.A.)
Republican July 27, 2000 –
January 3, 2001 		106th Switched to Republican Party after losing re-nomination.
 
Hilda Solis
(El Monte) 		Democratic January 3, 2001 –
January 3, 2003 		107th Elected in 2000.
Redistricted to the 32nd district.
 
Xavier Becerra
(Los Angeles) 		Democratic January 3, 2003 –
January 3, 2013 		108th
109th
110th
111th
112th 		Redistricted from the 30th district and re-elected in 2002.
Re-elected in 2004.
Re-elected in 2006.
Re-elected in 2008.
Re-elected in 2010.
Redistricted to the 34th district. 		2003–2013
 
Los Angeles (Hollywood, Northeast L.A.)
 
Gary Miller
(Rancho Cucamonga) 		Republican January 3, 2013 –
January 3, 2015 		113th Redistricted from the 42nd district and re-elected in 2012.
Retired. 		2013–2023
 
Inland Empire including San Bernardino and Rancho Cucamonga
 
Pete Aguilar
(Redlands) 		Democratic January 3, 2015 –
January 3, 2023 		114th
115th
116th
117th 		Elected in 2014.
Re-elected in 2016.
Re-elected in 2018.
Re-elected in 2020.
Redistricted to the 33rd district.
 
Grace Napolitano
(Norwalk) 		Democratic January 3, 2023 –
January 3, 2025 		118th Redistricted from the 32nd district and re-elected in 2022.
Retired. 		2023–present
 
Arcadia, El Monte, Baldwin Park, Duarte, West Covina, Covina, Azusa, southern Glendora, and most of Ramona in eastern Los Angeles County
 
Gil Cisneros
(Covina) 		Democratic January 3, 2025
present 		119th Elected in 2024.

Election results

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1962 • 1964 • 1966 • 1968 • 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 • 2022

1962

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1962 United States House of Representatives elections in California[7]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 76,631 52.2
Republican Gordon Hahn 70,154 47.8
Total votes 146,785 100.0
Democratic win (new seat)

1964

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1964 United States House of Representatives elections in California[8]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 114,246 64.0
Republican Norman G. Shanahan 64,256 36.0
Total votes 178,502 100.0
Democratic hold

1966

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1966 United States House of Representatives elections in California[9]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 92,875 63.4
Republican Norman G. Shanahan 53,708 36.6
Total votes 146,583 100.0
Democratic hold

1968

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1968 United States House of Representatives elections in California[10]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 94,387 58.9
Republican James R. Dunn 62,711 39.1
American Independent Stanley L. Schulte 3,134 2.0
Total votes 160,232 100.0
Democratic hold

1970

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1970 United States House of Representatives elections in California[11]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 102,071 73.2
Republican Fred L. Casmir 37,416 26.8
Total votes 139,487 100.0
Democratic hold

1972

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1972 United States House of Representatives elections in California[12]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 85,954 52.3
Republican Ben Valentine 69,876 42.5
Peace and Freedom Roberta Lynn Wood 8,582 5.2
Total votes 164,412 100.0
Democratic hold

1974

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1974 United States House of Representatives elections in California[13]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 60,560 70.5
Republican Norman A. Hodges 23,039 26.8
Peace and Freedom William C. Taylor 2,349 2.7
Total votes 85,948 100.0
Democratic hold

1976

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1976 United States House of Representatives elections in California[14]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 83,155 100.0
Democratic hold

1978

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1978 United States House of Representatives elections in California[15]
Party Candidate Votes %
Democratic Charles H. Wilson (Incumbent) 55,667 67.8
Republican Don Grimshaw 26,490 32.2
Total votes 82,157 100.0
Democratic hold

1980

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1980 United States House of Representatives elections in California[16]
Party Candidate Votes %
Democratic Mervyn M. Dymally 69,146 64.4
Republican Don Grimshaw 38,203 35.6
Total votes 107,349 100.0
Democratic hold

1982

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1982 United States House of Representatives elections in California[17]
Party Candidate Votes %
Democratic Mervyn M. Dymally (Incumbent) 86,718 72.4
Republican Henry C. Minturn 33,043 27.6
Total votes 119,761 100.0
Democratic hold

1984

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1984 United States House of Representatives elections in California[18]
Party Candidate Votes %
Democratic Mervyn M. Dymally (Incumbent) 100,658 70.7
Republican Henry C. Minturn 41,691 29.3
Total votes 142,349 100.0
Democratic hold

1986

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1986 United States House of Representatives elections in California[19]
Party Candidate Votes %
Democratic Mervyn M. Dymally (Incumbent) 77,126 70.3
Republican Jack McMurray 30,322 27.6
Peace and Freedom B. Kwaku Duren 2,333 2.1
Total votes 109,781 100.0
Democratic hold

1988

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1988 United States House of Representatives elections in California[20]
Party Candidate Votes %
Democratic Mervyn M. Dymally (Incumbent) 100,919 71.6
Republican Arnold C. May 36,017 25.5
Peace and Freedom B. Kwaku Duren 4,091 2.9
Total votes 151,027 100.0
Democratic hold

1990

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1990 United States House of Representatives elections in California[21]
Party Candidate Votes %
Democratic Mervyn M. Dymally (Incumbent) 56,394 67.1
Republican Eunice N. Sato 27,593 32.9
Total votes 83,987 100.0
Democratic hold

1992

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1992 United States House of Representatives elections in California[22]
Party Candidate Votes %
Democratic Matthew G. Martínez (Incumbent) 68,324 62.6
Republican Reuben D. Franco 40,873 37.4
Total votes 109,197 100.0
Democratic hold

1994

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1994 United States House of Representatives elections in California[23]
Party Candidate Votes %
Democratic Matthew G. Martínez (Incumbent) 50,541 59.1
Republican John V. Flores 34,926 40.9
Total votes 85,467 100.0
Democratic hold

1996

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1996 United States House of Representatives elections in California[24]
Party Candidate Votes %
Democratic Matthew G. Martínez (Incumbent) 69,285 67.5
Republican John Flores 28,705 28.0
Libertarian Michael Everling 4,700 4.5
Total votes 102,690 100.0
Democratic hold

1998

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1998 United States House of Representatives elections in California[25]
Party Candidate Votes %
Democratic Matthew G. Martínez (Incumbent) 61,173 70.0
Republican Frank C. Moreno 19,786 22.7
Green Krista Lieberg-Wong 4,377 5.0
Libertarian Michael B. Everling 1,121 1.3
Natural Law Gary Hearne 903 1.03
Total votes 87,360 100.0
Democratic hold

2000

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2000 United States House of Representatives elections in California[26]
Party Candidate Votes %
Democratic Hilda Solis 89,600 79.4
Green Krista Lieberg-Wong 10,294 9.1
Libertarian Michael McGuire 7,138 6.3
Natural Law Richard D. Griffin 5,882 5.2
Total votes 112,914 100.0
Democratic gain from Republican

2002

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2002 United States House of Representatives elections in California[27]
Party Candidate Votes %
Democratic Xavier Becerra (Incumbent) 54,569 81.2
Republican Luis Vega 12,674 18.8
Total votes 67,243 100.0
Democratic hold

2004

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2004 United States House of Representatives elections in California[28]
Party Candidate Votes %
Democratic Xavier Becerra (Incumbent) 89,363 80.3
Republican Luis Vega 22,048 19.7
Total votes 111,411 100.0
Democratic hold

2006

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2006 United States House of Representatives elections in California[29]
Party Candidate Votes %
Democratic Xavier Becerra (Incumbent) 64,952 100.0
Democratic hold

2008

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2008 United States House of Representatives elections in California[30]
Party Candidate Votes %
Democratic Xavier Becerra (Incumbent) 110,955 100.0
Democratic hold

2010

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2010 United States House of Representatives elections in California[31]
Party Candidate Votes %
Democratic Xavier Becerra (Incumbent) 76,363 83.8
Republican Stephen C. Smith 14,740 16.2
Total votes 91,103 100.0
Democratic hold

2012

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2012 United States House of Representatives elections in California[32]
Party Candidate Votes %
Republican Gary Miller (Incumbent) 88,964 55.2
Republican Robert Dutton 72,255 44.8
Total votes 161,219 100.0
Republican hold

2014

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2014 United States House of Representatives elections in California[33]
Party Candidate Votes %
Democratic Pete Aguilar 51,622 51.7
Republican Paul Chabot 48,162 48.3
Total votes 99,784 100.0
Democratic gain from Republican

2016

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2016 United States House of Representatives elections in California[34]
Party Candidate Votes %
Democratic Pete Aguilar (Incumbent) 121,070 56.1
Republican Paul Chabot 94,866 43.9
Total votes 215,936 100.0
Democratic hold

2018

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2018 United States House of Representatives elections in California[35]
Party Candidate Votes %
Democratic Pete Aguilar (Incumbent) 110,343 58.7
Republican Sean Flynn 77,352 41.3
Total votes 187,695 100.0
Democratic hold

2020

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2020 United States House of Representatives elections in California
Party Candidate Votes %
Democratic Pete Aguilar (Incumbent) 175,315 61.3
Republican Agnes Gibboney 110,735 38.7
Total votes 286,045 100
Democratic hold

2022

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2022 United States House of Representatives elections in California
Party Candidate Votes %
Democratic Grace Napolitano (Incumbent) 91,472 59.5
Republican Daniel Bocic Martinez 62,153 40.5
Total votes 153,625 100.0
Democratic hold

Historical district boundaries

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Formerly, from 2003 to 2013, the district was located in Los Angeles County. It was the only congressional district entirely based within the City of Los Angeles, and included Hollywood and some predominantly Hispanic/Latino sections of central and northeast Los Angeles.

See also

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References

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  1. ^ US Census
  2. ^ "2022 Cook PVI: District Map and List". Cook Political Report. Retrieved January 10, 2023.
  3. ^ https://davesredistricting.org/maps#viewmap::fc9d2d06-7c7f-451c-92cb-122127a79c29
  4. ^ "Complete Supplement to the Statement of Vote" (PDF). November 8, 2022. Archived (PDF) from the original on January 8, 2025. Retrieved January 21, 2025.
  5. ^ California 2022-11-08 results by district (@elium2) (Report).
  6. ^ "Statement of Votes Cast by District" (PDF). November 5, 2024. Archived (PDF) from the original on January 15, 2025. Retrieved January 21, 2025.
  7. ^ 1962 election results
  8. ^ 1964 election results
  9. ^ 1966 election results
  10. ^ 1968 election results
  11. ^ 1970 election results
  12. ^ 1972 election results
  13. ^ 1974 election results
  14. ^ 1976 election results
  15. ^ 1978 election results
  16. ^ 1980 election results
  17. ^ 1982 election results
  18. ^ 1984 election results
  19. ^ 1986 election results
  20. ^ 1988 election results
  21. ^ 1990 election results
  22. ^ 1992 election results
  23. ^ 1994 election results
  24. ^ 1996 election results
  25. ^ 1998 election results
  26. ^ 2000 election results
  27. ^ 2002 election results
  28. ^ 2004 election results
  29. ^ 2006 election results
  30. ^ 2008 election results
  31. ^ 2010 election results
  32. ^ 2012 election results
  33. ^ 2014 election results
  34. ^ 2016 election results
  35. ^ 2018 election results
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34°06′36″N 117°21′12″W / 34.11000°N 117.35333°W / 34.11000; -117.35333

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