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2010
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Wisconsin
2010
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US Senate
·
Wisconsin
Wisconsin US Senate
Winner
REP
Ronald B Johnson
51.9%
1,125,999 votes
Runner-up
DEM
Russell D Feingold
47.0%
1,020,958 votes
Margin
R+4.8
2,171,331
total votes
3 candidates
2,171,331 total votes
Export CSV
Candidate
Party
Votes ▼
%
Vote Share
Ronald B Johnson
REP
✓
REP
1,125,999
51.9%
Russell D Feingold
DEM
DEM
1,020,958
47.0%
Other
OTH
OTH
24,374
1.1%
Seat History
US Senate in Wisconsin
(Class II)
2024
Tammy Baldwin
DEM
D+0.8
2022
Ronald B Johnson
REP
R+1.0
2018
Tammy Baldwin
DEM
D+10.8
2016
Ronald B Johnson
REP
R+3.4
2012
Tammy Baldwin
DEM
D+5.5
2006
Herb Kohl
DEM
D+37.8
2004
Russell D Feingold
DEM
D+11.2
2000
Herb Kohl
DEM
D+24.5
1998
Russell D Feingold
DEM
D+2.1
1994
Herb Kohl
DEM
D+17.6
1992
Russell D Feingold
DEM
D+6.6
1988
Herb Kohl
DEM
D+4.5
1986
Bob Kasten
REP
R+3.5
1982
William Proxmire
DEM
D+29.5
View all US Senate history for Wisconsin →
Candidates
Ronald B Johnson
REP
Record
14W-4L
Avg Margin
D+13.3
Career
1978-2022
US Senate / State House
Full profile →
Russell D Feingold
DEM
Record
6W-2L
Avg Margin
D+17.1
Career
1982-2016
US Senate / State Senate
Full profile →
Also in Wisconsin, 2010
US House
8 contests →
Governor
1 contest →
← All 2010 US Senate races
2010 overview
Wisconsin profile
All elections