California's 31st congressional district is a congressional district in San Bernardino County, in the U.S. state of California. The district is located in the Inland Empire region, including the city of San Bernardino and portions of Rancho Cucamonga. The district is currently represented by Democrat Pete Aguilar, who was first elected in 2014.
California's 31st congressional district | |||
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![]() ![]() Interactive map of district boundaries from 2023 onwards (used in the 2022 elections) | |||
Representative |
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Population (2021) | 758,538 | ||
Median household income | $75,362[1] | ||
Ethnicity |
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Cook PVI | D+9[2] |
From January 3, 2023, following the 2020 redistricting cycle, the district will be represented by Democrat Grace Napolitano.
Election results from statewide races | ||
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Year | Office | Results |
1990 | Governor[3] | Feinstein 60.6% – 34.8% |
1992 | President[4] | Clinton 51.7% – 32.3% |
Senator[5] | Boxer 48.9% – 41.1% | |
Senator (special)[6] | Feinstein 57.7% – 33.7% | |
1994 | Governor[7] | Brown 52.7% – 43.1% |
Senator[8] | Feinstein 50.5% – 38.3% | |
1996 | President[9] | Clinton 65.4% – 25.8% |
1998 | Governor[10] | Davis 71.6% – 25.3% |
Senator[11] | Boxer 62.1% – 34.1% | |
2000 | President[12] | Gore 69.3% – 27.4% |
Senator[13] | Feinstein 70.4% – 22.3% | |
2002 | Governor[14] | Davis 68.6% – 19.5% |
2003 | Recall[15][16] | ![]() |
Bustamante 58.5% – 26.5% | ||
2004 | President[17] | Kerry 76.9% – 21.6% |
Senator[18] | Boxer 80.1% – 14.6% | |
2006 | Governor[19] | Angelides 66.8% – 26.8% |
Senator[20] | Feinstein 79.1% – 14.0% | |
2008 | President[21] | Obama 79.9% – 17.8% |
2010 | Governor[22] | Brown 77.9% – 16.6% |
Senator[23] | Boxer 78.1% – 16.2% | |
2012 | President[24] | Obama 57.2% – 40.6% |
Senator[25] | Feinstein 58.7% – 41.3% | |
2014 | Governor[26] | Brown 52.1% – 47.9% |
2016 | President[27] | Clinton 57.7% – 36.6% |
Senator[28] | Harris 57.2% – 42.8% | |
2018 | Governor[29] | Newsom 56.6% – 43.4% |
Senator[30] | Feinstein 51.2% – 48.8% | |
2020 | President[31] | Biden 58.8% – 38.9% |
2021 | Recall[32] | ![]() |
# | County | Seat | Population |
---|---|---|---|
37 | Los Angeles | Los Angeles | 9,829,544 |
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, Monrovia, San Dimas, La Verne, Duarte, South El Monte, and the south side of Glendora.
Member | Party | Dates | Cong ress(es) |
Electoral history | Counties |
---|---|---|---|---|---|
District created January 3, 1963. | |||||
![]() Charles H. Wilson |
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 |
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 |
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 |
Democratic | January 3, 2001 – January 3, 2003 |
107th | Elected in 2000. Redistricted to the 32nd district. | |
![]() Xavier Becerra |
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 |
Republican | January 3, 2013 – January 3, 2015 |
113th | Redistricted from the 42nd district and re-elected in 2012. Retired. |
2013–present Inland Empire including San Bernardino and Rancho Cucamonga ![]() |
![]() Pete Aguilar |
Democratic | January 3, 2015 – Present |
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 |
Democratic | Taking office January 3, 2023 |
Redistricted from the 32nd district and re-elected in 2022. | 2023 onwards Arcadia, El Monte, Baldwin Park, Duarte, West Covina, Covina, Azusa, southern Glendora, and most of Ramona in eastern Los Angeles County |
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 |
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) |
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
Party | Candidate | Votes | % | |
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Democratic | Charles H. Wilson (Incumbent) | 83,155 | 100.0 | |
Democratic hold | ||||
Party | Candidate | Votes | % | |
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Democratic | Charles H. Wilson (Incumbent) | 55,667 | 67.8 | |
Republican | Don Grimshaw | 26,490 | 32.2 | |
Total votes | 82,157 | 100.0 | ||
Democratic hold | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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 | ||||
Party | Candidate | Votes | % | |
---|---|---|---|---|
Democratic | Xavier Becerra (Incumbent) | 64,952 | 100.0 | |
Democratic hold | ||||
Party | Candidate | Votes | % | |
---|---|---|---|---|
Democratic | Xavier Becerra (Incumbent) | 110,955 | 100.0 | |
Democratic hold | ||||
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 | ||||
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 |
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 | ||||
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 | ||||
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 | ||||
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 | ||||
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.
California's congressional districts | |
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