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United States · Election results history · 2012 Senate · California
Election 2012 Results

Each election opens in its own mode: the forecast before the votes are counted, the live count while races are still too close to call, and the results once every race is decided.

2012 US Senate election in California

Dianne Feinstein (Democrat) beat Elizabeth Emken (Republican) in California in 2012, 62.5% to 37.5%, a margin of 25.0 points and 3,150,737 votes.

The Democratic hold continued from 2006, when Dianne Feinstein also won.

Democrats led in 32 of the 58 counties and Republicans in 26. The largest, Los Angeles, cast 3,052,578 votes and went to the Democrat by 43.1 points. The closest was Alpine, where 180 votes separated the two parties.

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Early projection, based on early and incomplete polling: the likely matchups, each weighted by the betting markets' odds of both nominations, not a result. Each county is its 2024 presidential margin moved by its state's projected swing; set a national vote and every state, district and county moves by the same amount from our projection. Colours run in 100 steps from a safe Republican to a safe Democratic margin. Boundaries: US Census Bureau.

Senate

CandidatePartyVotesShare
Dianne Feinstein won Democratic 7,864,624 62.5%
Elizabeth Emken Republican 4,713,887 37.5%
Total12,578,511

Every county

CountyDemocratRepublicanOthersTotalMargin
Los Angeles 2,183,654 71.5% 868,924 28.5% 3,052,578 D+43.1
San Diego 622,781 54.4% 521,884 45.6% 1,144,665 D+8.8
Orange 515,902 47.5% 570,574 52.5% 1,086,476 R+5.0
Riverside 327,698 51.9% 303,651 48.1% 631,349 D+3.8
Santa Clara 454,647 72.9% 168,722 27.1% 623,369 D+45.9
Alameda 468,456 81.9% 103,313 18.1% 571,769 D+63.9
San Bernardino 298,067 54.0% 253,433 46.0% 551,500 D+8.1
Sacramento 302,078 60.7% 195,412 39.3% 497,490 D+21.4
Contra Costa 300,194 70.1% 128,310 29.9% 428,504 D+40.1
San Francisco 305,126 88.5% 39,589 11.5% 344,715 D+77.0
Ventura 171,483 54.4% 143,603 45.6% 315,086 D+8.8
San Mateo 213,503 77.2% 62,979 22.8% 276,482 D+54.4
Fresno 129,267 51.1% 123,499 48.9% 252,766 D+2.3
Kern 92,252 42.3% 125,906 57.7% 218,158 R+15.4
Sonoma 154,892 73.7% 55,256 26.3% 210,148 D+47.4
San Joaquin 113,706 57.0% 85,787 43.0% 199,493 D+14.0
Placer 68,599 41.4% 97,139 58.6% 165,738 R+17.2
Santa Barbara 93,921 59.6% 63,599 40.4% 157,520 D+19.2
Stanislaus 78,470 51.8% 73,060 48.2% 151,530 D+3.6
Solano 98,251 66.0% 50,634 34.0% 148,885 D+32.0
Marin 105,153 80.1% 26,105 19.9% 131,258 D+60.2
San Luis Obispo 62,216 50.8% 60,262 49.2% 122,478 D+1.6
Monterey 84,585 69.6% 36,930 30.4% 121,515 D+39.2
Santa Cruz 91,109 78.2% 25,463 21.8% 116,572 D+56.3
Tulare 42,395 42.9% 56,499 57.1% 98,894 R+14.3
Butte 43,681 49.3% 44,981 50.7% 88,662 R+1.5
El Dorado 35,776 41.3% 50,820 58.7% 86,596 R+17.4
Shasta 27,155 36.5% 47,184 63.5% 74,339 R+26.9
Yolo 49,148 67.7% 23,468 32.3% 72,616 D+35.4
Merced 32,955 55.0% 27,000 45.0% 59,955 D+9.9
Napa 37,122 66.5% 18,682 33.5% 55,804 D+33.0
Humboldt 36,162 65.0% 19,437 35.0% 55,599 D+30.1
Nevada 25,495 50.4% 25,078 49.6% 50,573 D+0.8
Madera 15,997 41.1% 22,942 58.9% 38,939 R+17.8
Imperial 25,342 67.2% 12,346 32.8% 37,688 D+34.5
Mendocino 24,254 70.3% 10,224 29.7% 34,478 D+40.7
Kings 13,304 42.6% 17,916 57.4% 31,220 R+14.8
Sutter 12,395 41.2% 17,715 58.8% 30,110 R+17.7
Tuolumne 10,336 42.8% 13,823 57.2% 24,159 R+14.4
Lake 13,543 59.0% 9,424 41.0% 22,967 D+17.9
Tehama 8,349 37.0% 14,241 63.0% 22,590 R+26.1
Calaveras 8,878 41.6% 12,479 58.4% 21,357 R+16.9
Siskiyou 8,196 42.0% 11,334 58.0% 19,530 R+16.1
Yuba 7,896 41.0% 11,376 59.0% 19,272 R+18.1
San Benito 11,389 61.1% 7,255 38.9% 18,644 D+22.2
Amador 7,051 40.8% 10,232 59.2% 17,283 R+18.4
Lassen 3,150 29.9% 7,390 70.1% 10,540 R+40.2
Plumas 4,162 42.8% 5,560 57.2% 9,722 R+14.4
Glenn 3,520 39.0% 5,515 61.0% 9,035 R+22.1
Mariposa 3,551 40.3% 5,268 59.7% 8,819 R+19.5
Del Norte 4,065 47.4% 4,502 52.6% 8,567 R+5.1
Inyo 3,333 42.6% 4,494 57.4% 7,827 R+14.8
Colusa 2,482 43.3% 3,253 56.7% 5,735 R+13.4
Trinity 2,658 47.5% 2,943 52.5% 5,601 R+5.1
Mono 2,600 52.0% 2,404 48.0% 5,004 D+3.9
Modoc 1,188 30.1% 2,761 69.9% 3,949 R+39.8
Sierra 677 38.6% 1,078 61.4% 1,755 R+22.8
Alpine 409 64.1% 229 35.9% 638 D+28.2

Margin: the Democrat's share of all votes minus the Republican's. Sources and how the results were checked.

California Senate elections we hold

YearWinnerMargin
2024 Adam B. Schiff (D) D+17.7
2022 Alex Padilla (D) D+22.1
2018 Dianne Feinstein (D) D+54.2
2016 Kamala Harris (D) D+61.6
2012 Dianne Feinstein (D) D+25.0
2010 Barbara Boxer (D) D+10.0
2006 Dianne Feinstein (D) D+24.4
2004 Barbara Boxer (D) D+19.9
2000 Dianne Feinstein (D) D+19.3
1998 Barbara Boxer (D) D+10.0
1994 Dianne Feinstein (D) D+1.9
1992 Barbara Boxer (D) D+4.9
1988 Pete Wilson (R) R+8.8
1986 Alan Cranston (D) D+1.4
1982 Pete Wilson (R) R+6.8
1980 Alan Cranston (D) D+19.4
1976 S. I. Hayakawa (R) R+3.3
1974 Alan Cranston (D) D+24.3
1970 John V. Tunney (D) D+9.5
1968 Alan Cranston (D) D+4.9
1964 George Murphy (R) R+3.1
1962 Thomas Kuchel (R) R+12.9
1958 Clair Engle (D) D+14.1
1956 Thomas Kuchel (R) R+8.3
1952 William Knowland (R) R+87.8
1950 Richard M. Nixon (R) R+18.5
1946 William F. Knowland (R) R+9.9
1944 Sheridan Downey (D) D+4.6
1940 Hiram W. Johnson (R) R+82.5
1938 Sheridan Downey (D) D+9.8
1934 Hiram Johnson (R) R+94.5
1932 William Gibbs McAdoo (D) D+12.6
1928 Hiram W. Johnson (R) R+55.9
1926 Samuel M. Shortridge (R) R+26.2
1922 Hiram W. Johnson (R) R+38.4
1920 Samuel M. Shortridge (R) R+8.3
1916 Hiram W. Johnson (R) R+31.6
1914 James D. Phelan (D) D+2.9