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.

Sort by: State | Party | Date

State	Incumbent	Primary	Candidates	Endorsement
AZ	Jon Kyl — Retiring Republican	08/28/2012	Richard Carmona [D], Jeff Flake [R], Wil Cardon [R]	Jeff Flake Republican
CA	Diane Feinstein Democrat	06/05/2012	Dan Hughes [R], Elizabeth Emken [R]
CT	Joe Lieberman — Retiring Independent	08/14/2012	Chris Murphy [D], Susan Bysiewicz [D], Brian Hill [R], Chris Shays [R], Linda McMahon [R]
DE	Tom Carper Democrat	09/11/2012	Kevin Wade [R]
FL	Bill Nelson Democrat	08/14/2012	Connie Mack [R], George LeMieux [R], Mike McCalister [R]
HI	Daniel Akaka — Retiring Democrat	08/11/2012	Ed Case [D], Mazie Hirono [D], John Carroll [R], John Roco [R], Linda Lingle [R]
IN	Dick Lugar Republican	05/08/2012	Joe Donnelly [D], Richard Mourdock [R]	Richard Mourdock Republican
MA	Scott Brown Republican	09/04/2012	Elizabeth Warren [D], Peter White [I]
MD	Ben Cardin Democrat	04/03/2012	Daniel Bongino [R]
ME	Olympia Snowe — Retiring Republican	06/12/2012	Benjamin Pollard [D], Cynthia Dill [D], Jon Hinck [D], Matt Dunlap [D], Andrew Ian Dodge [I], Angus King [I], Bill Schneider [R], Bruce Poliquin [R], Charlie Summers [R], Deb Plowman [R], Rick Bennett [R], Scott D’Amboise [R]
MI	Debbie Stabenow Democrat	08/07/2012	Chuck 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	08/14/2012	Bill Hamm [D], Dan Severson [R], Kurt Bills [R], Pete Hegseth [R], Thomas Bach [R]
MO	Claire McCaskill Democrat	08/07/2012	Jerry Beck [R], John Brunner [R], Mark Memoly [R], Sarah Steelman [R], Todd Akin [R]
MS	Roger Wicker Republican	03/13/2012	Albert Gore Jr. [D]
MT	Jon Tester Democrat	06/05/2012	Dan Cox [I], John McConnell [I], Dennis Teske [R], Denny Rehberg [R]
ND	Kent Conrad — Retiring Democrat	06/12/2012	Heidi Heitkamp [D], Duane Sand [R], Rick Berg [R]
NE	Ben Nelson — Retiring Democrat	05/15/2012	Bob Kerrey [D], Deb Fischer [R]
NJ	Bob Menendez Democrat	06/05/2012	Gwen Diakos [D], Joe Kyrillos [R]
NM	Jeff Bingaman — Retiring Democrat	06/05/2012	Hector Balderas [D], Martin Heinrich [D], Greg Sowards [R], Heather Wilson [R]
NV	Dean Heller Republican	06/12/2012	Barry Ellsworth [D], Nancy Price [D], Shelley Berkley [D]
NY	Kirsten Gillibrand Democrat	06/26/2012	Scott Noren [D], Bob Turner [R], George Maragos [R], Wendy Long [R]
OH	Sherrod Brown Democrat	03/06/2012	Josh Mandel [R]	Josh Mandel Republican
PA	Bob Casey Democrat	04/24/2012	Tom Smith [R]
RI	Sheldon Whitehouse Democrat	09/11/2012	Barry Hinckley [R]
TN	Bob Corker Republican	08/02/2012	Larry Crim [D], Brenda Lenard [R], James Durkan [R], Zack Poskevich [R]
TX	Kay Bailey Hutchison — Retiring Republican	05/29/2012	Addie Allen [D], Grady Yarbrough [D], Paul Sadler [D], Sean Hubbard [D], Ben Gambini [R], Craig James [R], Curt Cleaver [R], David Dewhurst [R], Glen Addison [R], Lela Pittenger [R], Ted Cruz [R], Tom Leppert [R]	Ted Cruz Republican
UT	Orrin Hatch Republican	06/26/2012	Dan Liljenquist [R]
VA	Jim Webb — Retiring Democrat	06/12/2012	Tim Kaine [D], Kevin Chisholm [I], Bob Marshall [R], Earl Jackson [R], George Allen [R], Jamie Radtke [R]
VT	Bernie Sanders Independent	08/28/2012	John MacGovern [R]
WA	Maria Cantwell Democrat	08/07/2012	Art Coday [R], Michael Baumgartner [R]
WI	Herb Kohl — Retiring Democrat	08/14/2012	Tammy Baldwin [D], Eric Hovde [R], Jeff Fitzgerald [R], Kip Smith [R], Mark Neumann [R], Tommy Thompson [R]	Mark Neumann Republican
WV	Joe Manchin Democrat	05/08/2012	John Raese [R]
WY	John Barrasso Republican	08/21/2012

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