2012 Senate Elections
Democrats Sweep Senate Races
33 seats contested. 13 seats changed hands.
62DMajority
38R
62
Democratic Seats
38
Republican Seats
33
Seats Contested
D+0.9
Closest: North Dakota
Democratic Majority
Democrats gained 12 seats in the 2012 Senate elections, flipping control from 50-50 to 62-38. Of 66 Class 2 seats contested, Democrats defended 30 and won 50; Republicans defended 22 and won 16. NV flipped Republican; ND, WI, IN, IN, OH, MA, MA, PA, FL, MO, MO, ME flipped Democratic.
Before:50D-50R
After:62D-38R
13 flipped
Seats flipped:North Dakota(R→D)|Nevada(D→R)|Wisconsin(R→D)|Indiana(R→D)|Indiana(R→D)|Ohio(R→D)|Massachusetts(R→D)|Massachusetts(R→D)|Pennsylvania(R→D)|Florida(R→D)|Missouri(R→D)|Missouri(R→D)|Maine(R→D)
13 Seats Flipped
All Races
ND
D+0.9
Heitkamp vs Berg
NV
R+1.2
Berkley vs Heller
AZ
R+3.0
Carmona vs Flake
MT
D+3.7
Tester vs Rehberg
WI
D+5.5
Baldwin vs Thompson
NM
D+5.7
Heinrich vs Wilson
IN
D+5.8
Donnelly vs Mourdock
VA
D+5.9
Kaine vs Allen
OH
D+6.0
Brown vs Mandel
MA
D+7.5
Warren vs Brown
PA
D+9.1
Jr. vs Smith
CT
D+11.8
Murphy vs McMahon
FL
D+13.0
Nelson vs IV
MO
D+13.1
McCaskill vs Akin
NE
R+15.6
Kerrey vs Fischer
TX
R+15.8
Sadler vs Cruz
MS
R+16.6
Gore vs Wicker
NJ
D+19.4
Menendez vs Kyrillos
MI
D+20.8
Stabenow vs Hoekstra
WA
D+20.9
Cantwell vs Baumgartner
WV
D+24.1
Manchin vs Raese
CA
D+25.1
Feinstein vs Emken
ME
D+25.5
King vs Jr.
HI
D+26.1
Long vs Tsukiyama
MD
D+29.6
Cardin vs Bongino
RI
D+29.8
Whitehouse vs Hinckley
TN
R+34.5
Clayton vs Corker
MN
D+34.7
Klobuchar vs Bills
UT
R+35.3
Howell vs Hatch
DE
D+37.5
Carper vs Wade
NY
D+45.9
Gillibrand vs Long
VT
D+46.2
Sanders vs MacGovern
WY
R+54.0
Chesnut vs Barrasso