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2012 United States Senate election in California
none
none
Field
Value
election_name
2012 United States Senate election in California
country
California
type
presidential
ongoing
no
previous_election
2006 United States Senate election in California
previous_year
2006
next_election
2018 United States Senate election in California
next_year
2018
turnout
55.2% (voting eligible)
election_date
November 6, 2012
image_size
x150px
image1
File:Dianne Feinstein, official Senate photo 2 (cropped).jpg
candidate1
Dianne Feinstein
party1
Democratic Party (United States)
popular_vote1
7,864,624
percentage1
62.52%
image2
Elizabeth Emken (cropped).jpg
candidate2
Elizabeth Emken
party2
Republican Party (United States)
popular_vote2
4,713,887
percentage2
37.48%
map_image
map_caption
Feinstein:
title
U.S. Senator
before_election
Dianne Feinstein
before_party
Democratic Party (United States)
after_election
Dianne Feinstein
after_party
Democratic Party (United States)
Emken:
The 2012 United States Senate election in California took place on November 6, 2012, concurrently with the 2012 U.S. presidential election as well as other elections to the United States Senate and House of Representatives and various state and local elections.
The primary election on June 5 took place under California's new blanket primary law, where all candidates appear on the same ballot, regardless of party. In the primary, voters voted for any candidate listed, or write-in any other candidate. The top two finishers—regardless of party—advanced to the general election in November, even if a candidate managed to receive a majority of the votes cast in the June primary. In the primary, less than 15% of the total 2010 census population voted. Incumbent Democratic U.S. Senator Dianne Feinstein announced her intention to run for a fourth full term in April 2011 and finished first in the blanket primary with 49.5% of the vote. The second-place finisher was Republican candidate and autism activist Elizabeth Emken, who won 12.7% of the vote.
Feinstein ultimately defeated Emken in the general election on November 6, winning 62.5% of the vote to Emken's 37.5%. Feinstein's total of 7.86 million popular votes was the most ever received by a candidate for U.S. Senate in American history until Adam Schiff won the same seat with over 9 million votes in 2024. For a full decade, Emken was the only Republican candidate to have advanced to a general U.S. Senate election in California, as only Democratic candidates advanced to the general election in 2016 and 2018; however, this streak was broken 10 years later in 2022.
Primary
Candidates
Democratic Party
Dianne Feinstein, incumbent U.S. senator
Colleen Shea Fernald
David Levitt, computer scientist and engineer
Nak Shah, environmental health consultant
Diane Stewart, businesswoman
Mike Strimling, attorney and former U.S. Peace Corps legal adviser
Republican Party
John Boruff, businessman
Oscar Alejandro Braun, businessman and rancher
Greg Conlon, businessman and CPA
Elizabeth Emken, candidate for the 11th congressional district in 2010
Rogelio Gloria, U.S. Naval Officer
Dan Hughes, businessman
Dennis Jackson
Dirk Konopik, former congressional aide
Donald Krampe
Robert Lauten
Al Ramirez, businessman
Nachum Shifren, rabbi and state senate candidate in 2010
Orly Taitz, dentist, Birther movement activist and candidate for California Secretary of State in 2010
Rick Williams, business attorney
Libertarian
Gail Lightfoot, retired nurse
Peace and Freedom
Kabiruddin Karim Ali, businessman
Marsha Feinland, retired teacher
American Independent
Don J. Grundmann, chiropractor
Despite Don J. Grundmann running, the American Independent Party gave their party endorsement to Republican Robert Lauten.
Polling
Results
Primary results by county:
]]
Election contest
In July 2012, Taitz sued to block the certification of the primary election results, alleging "rampant election fraud", but her suit was denied.
General election
Fundraising
Candidate (party)
Receipts
Disbursements
Cash on hand
Debt
Dianne Feinstein (D)
$12,673,306
$12,105,960
$865,541
$373,734
Elizabeth Emken (R)
$1,114,350
$1,110,209
$4,140
$4,479
Source: Federal Election Commission
Top contributors
Dianne Feinstein
Contribution
Elizabeth Emken
Contribution
Pacific Gas and Electric Company
$120,700
Thomas H. Lee Partners
$10,000
JStreetPAC
$82,171
DevicePharm, Inc.
$7,500
General Atomics
$56,750
Troy Group
$7,500
Edison International
$54,250
Jelly Belly
$5,500
General Dynamics
$43,500
Autism Advocate
$5,000
BAE Systems
$40,000
Geier Group
$5,000
Diamond Foods
$31,599
Generations Healthcare
$5,000
Northrop Grumman
$30,800
Gingery Development
$4,000
International Alliance of Theatrical Stage Employees
$30,000
MIR3, Inc.
$3,000
Wells Fargo
$27,250
Northrop Grumman
$2,800
Source: OpenSecrets
Top industries
Dianne Feinstein
Contribution
Elizabeth Emken
Contribution
Lawyers/Law Firms
$565,129
Retired
$63,849
Retired
$463,058
Republican/Conservative
$35,800
Agribusiness
$367,132
Financial Institutions
$26,100
Real Estate
$334,321
Real Estate
$19,200
Lobbyists
$324,196
Business Services
$16,000
Financial Institutions
$321,744
Misc Finance
$12,750
Electric Utilities
$313,450
Printing & Publishing
$8,000
Entertainment Industry
$300,321
Food & Beverage
$6,000
Women's Issues
$207,449
Petroleum Industry
$6,000
High-Tech Industry
$205,789
Lawyers/Law Firms
$5,458
Source: OpenSecrets
Candidates
Dianne Feinstein (D), incumbent U.S. Senator
Elizabeth Emken (R), former Vice President of Autism Speaks
Debates
No debates were scheduled. Senator Feinstein decided to focus on her own campaign rather than debate her challenger.
Predictions
Source
Ranking
As of
The Cook Political Report
November 1, 2012
Sabato's Crystal Ball
November 5, 2012
Rothenberg Political Report
November 2, 2012
Real Clear Politics
November 5, 2012
Polling
Poll source
Date(s)
administered
Sample
size
Margin of
error
Dianne
Feinstein (D)
Elizabeth
Emken (R)
Other
Undecided
SurveyUSA
May 27–29, 2012
1,575
±2.5%
50%
34%
—
15%
The Field Poll
June 21 – July 2, 2012
848
±3.5%
51%
32%
—
17%
CBRT Pepperdine
July 30 – August 1, 2012
873
±3.3%
46%
34%
—
21%
SurveyUSA
September 9–11, 2012
524
±4.2%
55%
37%
—
9%
The Field Poll
September 6–18, 2012
902
±3.4%
57%
31%
—
12%
SurveyUSA
October 7–9, 2012
539
±4.3%
54%
35%
—
10%
Reason-Rupe
October 11–15, 2012
508
±5.1%
60%
34%
2%
5%
LA Times/USC
October 15–21, 2012
1,440
±n/a
55%
38%
1%
6%
The Field Poll
October 17–24, 2012
815
±3.6%
56%
32%
—
12%
The Field Poll
October 25–30, 2012
751
±3.6%
54%
33%
—
13%
Results
By county
County
Dianne Feinstein
Democratic
Elizabeth Emken
Republican
Margin
Total votes cast
#
%
#
%
#
%
Totals
7,864,624
62.52%
4,713,887
37.48%
3,150,737
25.05%
12,578,511
Alameda
468,456
81.93%
103,313
18.07%
365,143
63.86%
571,769
Alpine
409
64.11%
229
35.89%
180
28.21%
638
Amador
7,051
40.80%
10,232
59.20%
-3,181
-18.41%
17,283
Butte
43,681
49.27%
44,981
50.73%
-1,300
-1.47%
88,662
Calaveras
8,878
41.57%
12,479
58.43%
-3,601
-16.86%
21,357
Colusa
2,482
43.28%
3,253
56.72%
-771
-13.44%
5,735
Contra Costa
300,194
70.06%
128,310
29.94%
171,884
40.11%
428,504
Del Norte
4,065
47.45%
4,502
52.55%
-437
-5.10%
8,567
El Dorado
35,776
41.31%
50,820
58.69%
-15,044
-17.37%
86,596
Fresno
129,267
51.14%
123,499
48.86%
5,768
2.28%
252,766
Glenn
3,520
38.96%
5,515
61.04%
-1,995
-22.08%
9,035
Humboldt
36,162
65.04%
19,437
34.96%
16,725
30.08%
55,599
Imperial
25,342
67.24%
12,346
32.76%
12,996
34.48%
37,688
Inyo
3,333
42.58%
4,494
57.42%
-1,161
-14.83%
7,827
Kern
92,252
42.29%
125,906
57.71%
-33,654
-15.43%
218,158
Kings
13,304
42.61%
17,916
57.39%
-4,612
-14.77%
31,220
Lake
13,543
58.97%
9,424
41.03%
4,119
17.93%
22,967
Lassen
3,150
29.89%
7,390
70.11%
-4,240
-40.23%
10,540
Los Angeles
2,183,654
71.53%
868,924
28.47%
1,314,730
43.07%
3,052,578
Madera
15,997
41.08%
22,942
58.92%
-6,945
-17.84%
38,939
Marin
105,153
80.11%
26,105
19.89%
79,048
60.22%
131,258
Mariposa
3,551
40.27%
5,268
59.73%
-1,717
-19.47%
8,819
Mendocino
24,254
70.35%
10,224
29.65%
14,030
40.69%
34,478
Merced
32,955
54.97%
27,000
45.03%
5,955
9.93%
59,955
Modoc
1,188
30.08%
2,761
69.92%
-1,573
-39.83%
3,949
Mono
2,600
51.96%
2,404
48.04%
196
3.92%
5,004
Monterey
84,585
69.61%
36,930
30.39%
47,655
39.22%
121,515
Napa
37,122
66.52%
18,682
33.48%
18,440
33.04%
55,804
Nevada
25,495
50.41%
25,078
49.59%
417
0.82%
50,573
Orange
515,902
47.48%
570,574
52.52%
-54,672
-5.03%
1,086,476
Placer
68,599
41.39%
97,139
58.61%
-28,540
-17.22%
165,738
Plumas
4,162
42.81%
5,560
57.19%
-1,398
-14.38%
9,722
Riverside
327,698
51.90%
303,651
48.10%
24,047
3.81%
631,349
Sacramento
302,078
60.72%
195,412
39.28%
106,666
21.44%
497,490
San Benito
11,389
61.09%
7,255
38.91%
4,134
22.17%
18,644
San Bernardino
298,067
54.05%
253,433
45.95%
44,634
8.09%
551,500
San Diego
622,781
54.41%
521,884
45.59%
100,897
8.81%
1,144,665
San Francisco
305,126
88.52%
39,589
11.48%
265,537
77.03%
344,715
San Joaquin
113,706
57.00%
85,787
43.00%
27,919
13.99%
199,493
San Luis Obispo
62,216
50.80%
60,262
49.20%
1,954
1.60%
122,478
San Mateo
213,503
77.22%
62,979
22.78%
150,524
54.44%
276,482
Santa Barbara
93,921
59.62%
63,599
40.38%
30,322
19.25%
157,520
Santa Clara
454,647
72.93%
168,722
27.07%
285,925
45.87%
623,369
Santa Cruz
91,109
78.16%
25,463
21.84%
65,646
56.31%
116,572
Shasta
27,155
36.53%
47,184
63.47%
-20,029
-26.94%
74,339
Sierra
677
38.58%
1,078
61.42%
-401
-22.85%
1,755
Siskiyou
8,196
41.97%
11,334
58.03%
-3,138
-16.07%
19,530
Solano
98,251
65.99%
50,634
34.01%
47,617
31.98%
148,885
Sonoma
154,892
73.71%
55,256
26.29%
99,636
47.41%
210,148
Stanislaus
78,470
51.79%
73,060
48.21%
5,410
3.57%
151,530
Sutter
12,395
41.17%
17,715
58.83%
-5,320
-17.67%
30,110
Tehama
8,349
36.96%
14,241
63.04%
-5,892
-26.08%
22,590
Trinity
2,658
47.46%
2,943
52.54%
-285
-5.09%
5,601
Tulare
42,395
42.87%
56,499
57.13%
-14,104
-14.26%
98,894
Tuolumne
10,336
42.78%
13,823
57.22%
-3,487
-14.43%
24,159
Ventura
171,483
54.42%
143,603
45.58%
27,880
8.85%
315,086
Yolo
49,148
67.68%
23,468
32.32%
25,680
35.36%
72,616
Yuba
7,896
40.97%
11,376
59.03%
-3,480
-18.06%
19,272
|[[File:California counties shift 2006-2012 senate.svg|300px]]|Shift by county
|[[File:California counties trend 2006-2012 senate.svg|300px]]|Trend by county
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{{col-start}}
DemocraticRepublican
;Counties that flipped from Democratic to Republican
Butte (largest city: Chico)
Del Norte (largest community: Crescent City)
Trinity (largest community: Weaverville)
By congressional district
Feinstein won 41 of the 53 congressional districts, including three held by Republicans.
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