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 President of the United States; Democratic Party 
- Barack Obama, Democratic
 2,075,905 votes
100.0%
 - Darcy Richardson, Democratic
(Write-in)
 - Luis Alberto Ramos, Jr., Democratic
(Write-in)
 - Michael W.R. Meyer, Jr., Democratic
(Write-in)
   
President of the United States; Republican Party 
- Mitt Romney, Republican
 1,530,513 votes
79.5%
 - Ron Paul, Republican
 199,246 votes
10.4%
 - Rick Santorum, Republican
 102,258 votes
5.3%
 - Newt Gingrich, Republican
 72,022 votes
3.7%
 - Charles E. "Buddy" Roemer, III, Republican
 12,520 votes
0.7%
 - Fred Karger, Republican
 8,393 votes
0.4%
 - Donald James Gonzales, Republican
(Write-in)
 - Sheldon Yeu Howard, Republican
(Write-in)
 - Jeremy Hannon, Republican
(Write-in)
   
President of the United States; American Independent Party 
- Edward C. Noonan, American Independent
 16,926 votes
38.7%
 - Laurie Roth, American Independent
 16,326 votes
37.4%
 - Mad Max Riekse, American Independent
 10,430 votes
23.9%
 - Andrew Abe Diaz, American Independent
(Write-in)
 - Raymond Delmond Smith, American Independent
(Write-in)
   
President of the United States; Green Party 
- Jill Stein, Green
 9,165 votes
49.4%
 - Roseanne Barr, Green
 7,399 votes
39.8%
 - Kent Mesplay, Green
 2,005 votes
10.8%
   
President of the United States; Libertarian Party 
- Gary Johnson, Libertarian
 6,780 votes
50.0%
 - Barbara Joy Waymire, Libertarian
 2,118 votes
15.6%
 - Scott Keller, Libertarian
 1,208 votes
8.9%
 - R. J. Harris, Libertarian
 670 votes
4.9%
 - Bill Still, Libertarian
 670 votes
4.9%
 - Roger Gary, Libertarian
 559 votes
4.1%
 - James Ogle, Libertarian
 558 votes
4.1%
 - Carl Person, Libertarian
 523 votes
3.9%
 - Lee Wrights, Libertarian
 479 votes
3.5%
   
President of the United States; Peace and Freedom Party 
- Ross C. "Rocky" Anderson, Peace and Freedom
 1,589 votes
43.4%
 - Stewart Alexander, Peace and Freedom
 1,094 votes
29.9%
 - Stephen Durham, Peace and Freedom
 971 votes
26.5%
 - Leon Leo Ray, Peace and Freedom
(Write-in)
 - Ronald Clinton Forbes, Peace and Freedom
(Write-in)
 - Shelley Upchurch, Peace and Freedom
(Write-in)
   
(Only American Independent, Democratic, Green, Libertarian, Peace and Freedom, and Republican party candidates are on the ballot for
President of the United States)
 
  | United States Senator 
- Dianne Feinstein, Democratic
 2,392,822 votes
49.3%
 - Elizabeth Emken, Republican
 613,613 votes
12.6%
 - Dan Hughes, Republican
 323,840 votes
6.7%
 - Rick Williams, Republican
 157,946 votes
3.3%
 - Orly Taitz, Republican
 154,781 votes
3.2%
 - Dennis Jackson, Republican
 137,120 votes
2.8%
 - Greg Conlon, Republican
 135,421 votes
2.8%
 - Al Ramirez, Republican
 109,399 votes
2.3%
 - Gail K. Lightfoot, Libertarian
 101,648 votes
2.1%
 - Diane Stewart, Democratic
 97,782 votes
2.0%
 - Mike Strimling, Democratic
 97,024 votes
2.0%
 - David Alex Levitt, Democratic
 76,482 votes
1.6%
 - Oscar Alejandro Braun, Republican
 75,842 votes
1.6%
 - Marsha Feinland, Peace and Freedom
 57,720 votes
1.2%
 - Robert Lauten, Republican
 56,524 votes
1.2%
 - Colleen Shea Fernald, Democratic
 51,623 votes
1.1%
 - Donald Krampe, Republican
 39,035 votes
0.8%
 - Don J. Grundmann, American Independent
 33,037 votes
0.7%
 - Dirk Allen Konopik, Republican
 29,997 votes
0.6%
 - John Boruff, Republican
 29,357 votes
0.6%
 - Nak Shah, Democratic
 27,203 votes
0.6%
 - Rogelio T. Gloria, Republican
 22,529 votes
0.5%
 - Nachum Shifren, Republican
 21,762 votes
0.4%
 - Kabiruddin Karim Ali, Peace and Freedom
 12,269 votes
0.3%
 - Linda R. Price, Republican
(Write-in)
   
United States Representative; District 3 
- John Garamendi, Democratic
 59,546 votes
51.5%
 - Kim Vann, Republican
 30,254 votes
26.2%
 - Rick Tubbs, Republican
 17,902 votes
15.5%
 - Tony Carlos, Republican
 5,541 votes
4.8%
 - Eugene Ray, Republican
 2,438 votes
2.1%
   
United States Representative; District 6 
- Doris Matsui, Democratic
 67,174 votes
71.4%
 - Joseph McCray, Sr., Republican
 15,647 votes
16.6%
 - Erik Smitt, Republican
 11,254 votes
12.0%
   
 State Senator; District 3 
- Lois Wolk, Democratic
 116,403 votes
96.9%
 - Gary Clift, Republican
(Write-in)
 - Frank Miranda, Republican
(Write-in)
   
 Member of the State Assembly; District 4 
- Mariko Yamada, Democratic
 51,821 votes
59.2%
 - John Munn, Republican
 35,664 votes
40.8%
   
Member of the State Assembly; District 7 
- Roger Dickinson, Democratic
 41,100 votes
68.0%
 - Jonathan Zachariou, Republican
 19,304 votes
32.0%
   
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