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U.S. Senate Races

2012 Election Cycle

There are 33 U.S. Senate seats up for election in 2012. Of those seats, 10 are currently held by Republicans, 21 are held by Democrats, and 2 are held by Independents who caucus with the Democrats. Use our interactive map and the links provided to learn more about each of these races.

State Incumbent Primary Candidates Endorsement
AZ
Jon Kyl — Retiring
Republican
08/28/2012Don Bivens [D], Richard Carmona [D], Bryan Hackbarth [R], Clair Van Steenwyk [R], Jeff Flake [R], Wil Cardon [R]
CA
Diane Feinstein
Democrat
06/05/2012Al Ramirez [R], Dirk Konopik [R], Elizabeth Emken [R], John Boruff [R], Michael Stollaire [R], Orly Taitz [R]
CT
Joe Lieberman — Retiring
Independent
08/14/2012Chris Murphy [D], Susan Bysiewicz [D], William Tong [D], Brian Hill [R], Chris Shays [R], Linda McMahon [R], Peter Lumaj [R]
DE
Tom Carper
Democrat
09/11/2012Kevin Wade [R]
FL
Bill Nelson
Democrat
08/14/2012Adam Hasner [R], Connie Mack [R], George LeMieux [R], Marielena Stuart [R], Mike McCalister [R]
HI
Daniel Akaka — Retiring
Democrat
08/11/2012Ed Case [D], Mazie Hirono [D], John Carroll [R], John Roco [R], Linda Lingle [R]
IN
Dick Lugar
Republican
05/08/2012Joe Donnelly [D], Andrew Horning [I], Richard Mourdock [R]
MA
Scott Brown
Republican
09/04/2012Elizabeth Warren [D], Jim King [D], Marisa DeFranco [D], Peter White [I]
MD
Ben Cardin
Democrat
04/03/2012Anthony Muse [D], Blaine Taylor [D], Chris Garner [D], Ed Tinus [D], J.P. Cusick [D], Lih Young [D], Ralph Jaffe [D], Raymond Blagmon [D], Brian Veith [R], Corrogan Vaughn [R], Daniel Bongino [R], David Jones [R], John Kimble [R], Joseph Alexander [R], Richard Douglas [R], Rick Hoover [R], Robert Broadus [R], William Capps [R]
ME
Olympia Snowe
Republican
06/12/2012Benjamin Pollard [D], Cynthia Dill [D], Jon Hinck [D], Matt Dunlap [D], Andrew Ian Dodge [R], Scott D’Amboise [R]
MI
Debbie Stabenow
Democrat
08/07/2012Chuck Marino [R], Clark Durant [R], Gary Glenn [R], Pete Hoekstra [R], Peter Konetchy [R], Randy Heckman [R], Rick Wilson [R], Scotty Boman [R]
MN
Amy Klobuchar
Democrat
08/14/2012Bill Hamm [D], Anthony Hernandez [R], Dan Severson [R], Joe Arwood [R], Thomas Bach [R]
MO
Claire McCaskill
Democrat
08/07/2012John Brunner [R], Sarah Steelman [R], Todd Akin [R]
MS
Roger Wicker
Republican
03/13/2012
MT
Jon Tester
Democrat
06/05/2012Dennis Teske [R], Denny Rehberg [R]
ND
Kent Conrad — Retiring
Democrat
06/12/2012Heidi Heitkamp [D], Thomas Potter [D], Duane Sand [R], Rick Berg [R]
NE
Ben Nelson — Retiring
Democrat
05/15/2012Steven Lustgarten [D], Deb Fischer [R], Don Stenberg [R], Jon Bruning [R], Larry Marvin [R], Pat Flynn [R], Spencer Zimmerman [R]
Don Stenberg
Republican
NJ
Bob Menendez
Democrat
06/05/2012Gwen Diakos [D], Joe Kyrillos [R]
NM
Jeff Bingaman — Retiring
Democrat
06/05/2012Andrew Valdez [D], Hector Balderas [D], Martin Heinrich [D], Greg Sowards [R], Heather Wilson [R], John Sanchez [R]
NV
Dean Heller
Republican
06/12/2012Barry Ellsworth [D], Shelley Berkley [D]
NY
Kirsten Gillibrand
Democrat
TBAScott Noren [D], George Maragos [R]
OH
Sherrod Brown
Democrat
03/06/2012Joseph DeMare [I], David Dodt [R], Donna Glisman [R], Eric Gregory [R], Josh Mandel [R], Michael Pryce [R]
Josh Mandel
Republican
PA
Bob Casey
Democrat
04/24/2012Brian Kelly [D], David Christian [R], John Kensinger [R], Laureen Cummings [R], Marc Scaringi [R], Robert Allan Mansfield [R], Sam Rohrer [R], Steve Welch [R], Tim Burns [R], Tom Smith [R]
RI
Sheldon Whitehouse
Democrat
09/11/2012Barry Hinckley [R]
TN
Bob Corker
Republican
08/02/2012Larry Crim [D], James Durkan [R], Zack Poskevich [R]
TX
Kay Bailey Hutchison — Retiring
Republican
04/03/2012Jason Gibson [D], Paul Sadler [D], Andrew Castanuela [R], Charles Holcomb [R], Craig James [R], David Dewhurst [R], Glen Addison [R], Joe Agris [R], Lela Pittenger [R], Ted Cruz [R], Tom Leppert [R]
Ted Cruz
Republican
UT
Orrin Hatch
Republican
06/18/2012Pete Ashdown [D], Chris Herrod [R], Dan Liljenquist [R]
VA
Jim Webb — Retiring
Democrat
06/12/2012Courtney Lynch [D], Julien Modica [D], Tim Kaine [D], Kevin Chisholm [I], Bob Marshall [R], Dave McCormick [R], Earl Jackson [R], George Allen [R], Jamie Radtke [R]
VT
Bernie Sanders
Independent
08/28/2012
WA
Maria Cantwell
Democrat
08/07/2012Michael Baumgartner [R]
WI
Herb Kohl — Retiring
Democrat
09/14/2012Tammy Baldwin [D], Frank Lasee [R], Jeff Fitzgerald [R], Mark Neumann [R], Tommy Thompson [R]
Mark Neumann
Republican
WV
Joe Manchin
Democrat
05/08/2012John Raese [R]
WY
John Barrasso
Republican
08/21/2012
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