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2010
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California
2010
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US Senate
·
California
California US Senate
Winner
DEM
Barbara Boxer
52.2%
5,218,137 votes
Runner-up
REP
Carly Fiorina
42.2%
4,217,386 votes
Margin
D+10.0
9,999,860
total votes
3 candidates
9,999,860 total votes
Export CSV
Candidate
Party
Votes ▼
%
Vote Share
Barbara Boxer
DEM
✓
DEM
5,218,137
52.2%
Carly Fiorina
REP
REP
4,217,386
42.2%
Other
OTH
OTH
564,337
5.6%
Seat History
US Senate in California
(Class II)
2024
Adam B Schiff
DEM
D+17.8
2022
Alex Padilla
DEM
D+22.1
2018
(JP)
Dianne Feinstein
DEM
---
2016
(JP)
Kamala Harris
DEM
---
2012
Dianne Feinstein
DEM
D+25.1
2006
Dianne Feinstein
DEM
D+24.4
2004
Barbara Boxer
DEM
D+19.9
2000
Dianne Feinstein
DEM
D+19.3
1998
Barbara Boxer
DEM
D+10.1
1994
Dianne Feinstein
DEM
D+1.9
1992
(S)
Dianne Feinstein
DEM
D+16.3
1992
Barbara Boxer
DEM
D+4.9
1988
Pete Wilson
REP
R+8.8
1986
Alan Cranston
DEM
D+1.4
View all US Senate history for California →
Candidates
Barbara Boxer
DEM
Record
9W-0L
Avg Margin
D+11.2
Career
1982-2010
US Senate / US House
Full profile →
Carly Fiorina
REP
Record
0W-1L
Avg Margin
D+10.0
Career
2010-2010
US Senate
Full profile →
Also in California, 2010
US House
53 contests →
Governor
1 contest →
← All 2010 US Senate races
2010 overview
California profile
All elections