| Member of 111th Senate | Party |
Electoral Status / 2010 Challengers / Previous Debates
(2010 winners marked  )
|
Alabama |
Sen. Shelby up for re-election in 2010; Challengers:
William Barnes(D)
Former Senators & Senate races:
2008 Alabama Senate debate, Sessions vs. Figures
Tim Hutchinson (R, 1997-2003)
|
| Richard Shelby | Republican Sr Senator |
| Jeff Sessions | Republican Jr Senator |
Alaska |
Sen. Murkowski up for re-election in 2010; lost Aug. primary; Challengers:
Joe Miller (R)
Scott McAdams (D)
Frank Vondersaar (D; lost Aug. primary)
2010 Alaska Senate debate
2008 Alaska Senate debate, Begich vs. Stevens
2004 Alaska Senate debate, Murkowski vs. Knowles
|
2010 Senate debate
| Lisa Murkowski | Republican Sr Senator |
| Mark Begich | Democratic Jr Senator
First elected 2008 |
Arizona |
Sen. McCain up for re-election in 2010; Challengers:
Former Rep, J.D. Hayworth (R)
vs.Tucson Vice Mayor Rodney Glassman (D)
vs.Former Mayor Rudy Garcia(D)
2010 Arizona Senate debates
2006 Arizona Senate debate, Kyl vs. Pederson
2004 Arizona Senate debate, McCain vs. Starky
|
| John McCain | Republican Sr Senator |
| Jon Kyl | Republican Jr Senator |
|
Arkansas |
Sen. Lincoln up for re-election in 2010; Challengers:
Lieutenant Governor Bill Halter (D, June 8 runoff)
vs.Rep. John Boozman(R, won May 18 primary)
vs.Jim Holt(R, lost May 18 primary)
vs. primary opponents State Senator Kim Hendren (R), Curtis Coleman (R), Col. Conrad Reynolds (R)
2010 Arkansas Senate debates
2004 Arkansas Senate debate, Holt vs. Lincoln
|
| Blanche Lambert Lincoln | Democratic Sr Senator |
| Mark Pryor | Democratic Jr Senator |
California |
Sen. Boxer up for re-election in 2010; Challengers:
vs.Carly Fiorina (R)
vs.Gail Lightfoot (L)
vs.Former Rep. Tom Campbell (R, lost primary)
2010 California Senate debate
|
| Dianne Feinstein | Democratic Sr Senator |
| Barbara Boxer | Democratic Jr Senator |
Colorado |
Sen. Bennet up for election in 2010. Challengers:
Ken Buck (R)
Andrew Romanoff (D, lost Aug. primary)
Lt. Gov. Jane Norton (R, lost Aug. primary)
GOP nomination candidates: Tom Wiens, Cleve Tidwell, Steve Barton (R)
Sen. Ken Salazar appointed to Obama's Cabinet, 2009
Former Senators & Senate races:
2010 Colorado Senate debates
2008 Colorado Senate debate, Schaffer vs. Udall
2004 Colorado Senate debate, Salazar vs. Coors
Wayne Allard (R, 1997-2009)
Ben Nighthorse Campbell (R, 1993-2005)
|
| Mark Udall | Democratic Sr Senator
|
| Michael Bennet | Democratic Jr Senator
Appointed 2009 to replace Ken Salazar |
Connecticut |
Sen. Dodd retiring in 2010; Contenders:
vs.Attorney General Richard Blumenthal(D)
vs.Linda McMahon (R)
vs.Rep. Rob Simmons(R, lost Aug. primary)
Others: Warren Mosler (D); Merrick Alpert (D)
2010 Connecticut Senate debates
2006 Senate debate, Lamont vs. Lieberman vs. Schlesinger
2006 Democratic Primary Senate debate, Lieberman vs. Lamont
2004 Connecticut Senate debate, Dodd vs. Orchulli
|
| Chris Dodd | Democratic Sr Senator |
| Joseph Lieberman | Independent Jr Senator |
Delaware |
Sen. Kaufman retiring in 2010. Contenders:
Rep. Michael Castle(R)
vs.Christine O`Donnell(R)
vs.Chris Coons(D)
vs.Ray Clatworthy(R, withdrew)
vs.Attorney General Beau Biden(D, withdrew Jan. 2010)
Former DE Senator:
Sen. Joe Biden, seated as Vice President, 2009
Former Senators & Senate races:
William Roth (R, 1971-2001)
2010 Delaware Senate debates
Delaware Senate debate, Carper vs. Ting
|
| Tom Carper | Democratic Sr Senator |
| Joe Biden | Democratic Sr Senator
Elected V.P., 2008 |
| Ted Kaufman | Democratic Jr Senator
Appointed 2009 to replace Joe Biden |
Florida |
Sen. Martinez resigned in 2009. Candidates:
Gov. Charlie Crist(I)
vs.Rep. Kendrick Meek(D)
vs.Marco Rubio(R)
vs.Alexander Snitker(L)
vs.Bernard DeCastro(C)
vs.Dennis Bradley(V)
vs.Jeff Greene(D)
vs.Former N.H. Sen. Bob Smith(R)
Former Senators & Senate races:
Connie_Mack (R, 1989-2001)
2010 Florida Senate debate
2006 Florida Senate debate, Harris vs. Nelson
2004 Florida Senate debate, Martinez vs. Castor
|
| Bill Nelson | Democratic Sr Senator |
| Mel Martinez | Republican Jr Senator
Formerly Secretary of H.U.D. |
| George LeMieux | Republican Jr Senator
Appointed August 2009 |
Georgia |
Sen. Isakson up for re-election in 2010; Challengers:
Labor Commissioner Mike Thurmond(D)
2008 Democratic Primary Senate debate, Jones vs. Knight vs. Martin
2004 Georgia Senate debate, Isakson vs. Majette
|
| Saxby Chambliss | Republican Sr Senator |
| Johnny Isakson | Republican Jr Senator |
Hawaii |
Sen. Inouye up for re-election in 2010; Challengers:
Cam Cavasso(R)
Gov. Linda Lingle(R)
2006 Hawaii Senate debates, Akaka vs. Case
|
| Daniel Inouye | Democratic Sr Senator |
| Daniel Akaka | Democratic Jr Senator |
Idaho |
Sen. Crapo up for re-election in 2010;
Challenger:
vs.Tom Sullivan (D)
Former Senators & Senate races:
Larry Craig (R, 1991-2009)
2008 Idaho Senate debate, Rammell, vs. Risch vs. LaRocco
|
| Michael Crapo | Republican Sr Senator |
| Jim Risch | Republican Jr Senator
First elected 2008 |
Illinois |
Sen. Burris retiring in 2010. Challengers:
Rep. Mark Kirk (R)
vs.Treasurer Alexi Giannoulias (D)
vs.Andy Martin (R, lost primary Feb. 2010)
Former Senators & Senate races:
Paul Simon (D, 1985-1997)
Sen. Barack Obama seated as President, 2009
2010 Illinois Senate debates
2008 Illinois Senate debate, Sauerberg vs. Durbin
2004 Illinois Senate debate, Obama vs. Keyes
|
| Richard Durbin | Democratic Sr Senator |
| Roland Burris | Democratic Jr Senator;
Appointed 2009 to replace Barack Obama |
Indiana |
Sen. Bayh retiring in 2010; Challengers:
Rep. Brad Ellsworth (D)
Former U.S. Senator Daniel Coats (R)
Former Rep. John Hostettler (R)
Richard Behney (R)
2010 Indiana Senate debates
|
| Richard Lugar | Republican Sr Senator |
| Evan Bayh | Democratic Jr Senator |
Iowa |
Sen. Grassley up for re-election in 2010;
Challengers:
Roxanne Conlin(D)
Bob Krause(D)
Tom Fiegen(D)
2010 Iowa Senate debates
2008 Iowa Senate debate
|
| Chuck Grassley | Republican Sr Senator |
| Tom Harkin | Democratic Jr Senator |
Kansas |
Sen. Brownback running for Governor in 2010. Challengers:
Rep. Jerry Moran (R)
vs. Lisa Johnston (D)
vs. Joe Bellis (Rfm)
vs. Rep. Todd Tiahrt (R; lost primary)
2010 Kansas Senate debates
2008 Kansas Senate debate
|
| Sam Brownback | Republican Sr Senator |
| Pat Roberts | Republican Jr Senator |
Kentucky |
Sen. Bunning retiring in 2010. Challengers:
Dr. Rand Paul (R)
vs. Attorney General Jack Conway (D)
vs. Lt. Gov. Dan Mongiardo (D, lost May 18 primary)
vs. Secretary of State Trey Grayson (R, lost May 18 primary)
vs. Dr. James Buckmaster (D, lost May 18 primary)
vs. Bill Johnson (R, withdrew March 2010), Gurley L. Martin (R), Jon J. Scribner (R) and John Stephenson (R)
2010 Kentucky Senate debate
2008 Kentucky Senate debate, McConnell vs. Lunsford
2004 Kentucky Senate debate, Mongiardo vs. Bunning
|
| Mitch McConnell | Republican Sr Senator |
| Jim Bunning | Republican Jr Senator |
Louisiana |
Sen. Vitter up for re-election in 2010; Challengers:
Rep. Charles Melancon (D)
Stephanie Gregory "Stormy Daniels" Clifford (I)
2008 Louisiana Senate debate, Landrieu vs. Kennedy
2004 Louisiana Senate debate, Vitter vs. John vs. Kennedy
|
| Mary Landrieu | Democratic Sr Senator |
| David Vitter | Republican Jr Senator |
Maine |
No Senate election in 2010.
2008 Maine Senate debate, Collins vs. Allen
|
| Olympia Snowe | Republican Sr Senator |
| Susan Collins | Republican Jr Senator |
Maryland |
Sen. Mikulski up for re-election in 2010;
Challengers:
Eric Wargotz (R)
Corrogan Vaughn (R; withdrew to run for Governor)
2006 Maryland Senate debate, Cardin vs. Steele vs. Zeese
2004 Maryland Senate debates, Mikulski vs. Pipkin
|
| Barbara Mikulski | Democratic Sr Senator |
| Ben Cardin | Democratic Jr Senator |
Massachusetts |
Special election to replace Sen. Kennedy:
Primary in Dec. 2009; general election in Jan. 2010. Candidates:
State Sen. Scott Brown (R, won general election)
Attorney General Martha Coakley (D, lost general election)
US Rep. Michael E. Capuano (D, lost primary)
Alan Khazei (D, lost primary)
Stephen Pagliuca (D, lost primary)
Jack E. Robinson (R, lost primary)
2008 Massachusetts Senate debate, Kerry vs. Beatty
|
| Ted Kennedy | Democratic Sr Senator
Deceased, August 2009 |
| John Kerry | Democratic Jr Senator |
Michigan |
No Senate election in 2010.
2006 Michigan Senate debate, Bouchard vs. Stabenow
|
| Carl Levin | Democratic Sr Senator |
| Debbie Stabenow | Democratic Jr Senator |
Minnesota |
No Senate election in 2010.
2008 Minnesota Senate debate, Franken vs. Coleman
2006 Minnesota Senate debate, Kennedy vs. Klobuchar
2006 Minnesota primary debates, Klobuchar vs. Bell vs. Kennedy vs. Cavlan
|
| Amy Klobuchar | Democratic Sr Senator |
| Al Franken | Republican Jr Senator |
Mississippi |
No Senate election in 2010.
2008 Mississippi Senate debate, Musgrove vs. Wicker
|
| Thad Cochran | Republican Sr Senator |
| Roger Wicker | Republican Jr Senator
Appointed, Dec. 2007; elected Nov. 2008 |
Missouri |
Sen. Bond retiring in 2010. Challengers:
Sec. of State Robin Carnahan (D)
vs. Rep. Roy Blunt (R)
vs. GOP primary challengers: Hector Maldonado; Kristi Nichols; James H. Schmdit (R)
2010 Missouri Senate debates
2006 Missouri Senate debate, Talent vs. McCaskill
|
| Kit Bond | Republican Sr Senator |
| Claire McCaskill | Democratic Jr Senator |
Montana |
No Senate election in 2010.
2006 Montana 2-way Senate debate, Burns vs. Tester
2006 Montana 3-way Senate debate, Burns vs. Tester vs. Jones
|
| Max Baucus | Democratic Sr Senator |
| Jon Tester | Democratic Jr Senator |
Nebraska |
No Senate election in 2010.
2008 Nebraska Senate debate, Johanns vs. Kleeb
|
| Mike Johanns | Republican Jr Senator
First elected 2008 |
| Ben Nelson | Democratic Sr Senator |
Nevada |
Sen. Reid up for re-election in 2010; Challengers:
Former State AM Sharron Angle (R)
Also ran: State Sen. Mark Amodei (R), Jon Ashjian (I), Danny Tarkanian (R), Sue Lowden (R), John Chachas (R)
2010 Nevada Senate debates
2006 Nevada Senate debate, Ensign vs. Carter
|
| Harry Reid | Democratic Sr Senator |
| John Ensign | Republican Jr Senator |
New Hampshire |
Sen. Gregg retiring in 2010. Challnegers:
vs. Rep. Paul Hodes (D)
vs. Attorney General Kelly Ayotte (R)
vs. Jim Bender (R, lost primary)
vs. Former State Rep. Tom Alciere(R, lost primary)
2010 New Hampshire Senate debates
2008 New Hampshire Senate debate, Shaheen vs. Sununu
2004 New Hampshire Senate debate, Gregg vs. Granny D
|
| Judd Gregg | Republican Sr Senator |
| Jeanne Shaheen | Democratic Jr Senator |
New Jersey |
No Senate election in 2010.
Former Senators & Senate races:
2008 New Jersey Senate debate, Lautenberg vs. Zimmer
2006 New Jersey Senate debate, Kean vs. Menendez
Bob Torricelli (D, 1997-2003)
|
| Frank Lautenberg | Democratic Sr Senator |
| Bob Menendez | Democratic Jr Senator |
New Mexico |
No Senate election in 2010.
2008 New Mexico Senate debate, Udall vs. Pearce
2008 early New Mexico Senate debate
|
| Tom Udall | Democratic Jr Senator
First elected 2008 |
| Jeff Bingaman | Democratic Sr Senator |
New York |
Sen. Schumer up for re-election in 2010; Challengers:
Jay Townsend (R)
Gary Berntsen (R; lost primary)
Others: Martin Chicon (R); Randy Credico (D)
Sen. Gillibrand up for election in 2010 for a 2-year term; Challengers:
Former U.S. Rep. Joe DioGuardi (R)
Former Rep. Harold Ford (D, TN, withdrew March 2010)
Others: Bruce Blakeman (R), David Malpass (R), Dan Senor (R), Jonathan Tasini (D)
Former candidates:
Sen. Hillary Clinton, appointed to Obama's Cabinet, 2009
2010 New York Senate debate
2006 New York Senate debate, Spencer vs. Clinton
2004 New York Senate debate, Schumer vs. Mills vs. O'Grady
2000 New York Senate debate, Lazio vs. Clinton
|
| Charles Schumer | Democratic Sr Senator |
| Kirsten Gillibrand | Democratic Jr Senator,
appointed to replace Sen. Clinton, 2009 |
North Carolina |
Sen. Burr up for re-election in 2010; Challengers:
Secretary of State Elaine Marshall (D)
Former State Sen. Cal Cunningham (D, lost primary)
2010 North Carolina Senate debate
2008 N.C. Senate debate, Dole vs. Hagan
2004 N.C. Senate debate, Bowles vs. Burr
|
| Richard Burr | Republican Sr Senator |
| Kay Hagan | Democratic Jr Senator |
North Dakota |
Sen. Dorgan retiring in 2010; Challengers:
Gov. John Hoeven (R)
State Sen. Tracy Potter (DNL)
Attorney General Heidi Heitkamp (DNL, withdrew March 2010)
2010 North Dakota Senate debates
|
| Kent Conrad | Democratic Sr Senator |
| Byron Dorgan | Democratic Jr Senator |
Ohio |
Sen. Voinovich retiring in 2010. Challengers:
Rep. Rob Portman (R)
Lt. Gov. Lee Fisher (D)
Eric Deaton (C)
Secretary of State Jennifer Brunner (D, lost May 5 primary)
Traci "T.J." Johnson (D, disqualified from primary ballot, March 2010)
Michael Pryce (I)
2010 Ohio Senate debates
Ohio 2006 Senate debate, DeWine vs. Brown
|
| George Voinovich | Republican Sr Senator |
| Sherrod Brown | Democratic Jr Senator |
Oklahoma |
Sen. Coburn up for re-election in 2010; Challengers:
Mark Myles (D; lost primary to perennial candidate Jim Rogers)
Former Senators & Senate races:
Mike DeWine (R, 1995-2007)
2008 Oklahoma Senate debate, Inhofe vs. Rice
2004 Oklahoma Senate debate, Coburn vs. Carson
|
| James Inhofe | Republican Sr Senator |
| Tom Coburn | Republican Jr Senator |
Oregon |
Sen. Wyden up for re-election in 2010; Challengers:
Prof. Jim Huffman(R)
Marc Delphine (L)
2010 Oregon Senate debates
2008 Oregon Senate debate, Merkley vs. Smith
|
| Ron Wyden | Democratic Sr Senator |
| Jeff Merkley | Democratic Jr Senator
First elected 2008 |
Pennsylvania |
Sen. Specter up for re-election in 2010; lost May 18 primary; Challengers:
Rep. Joe Sestak (D)
Former Rep. Pat Toomey (R)
Former Senators & Senate races:
Rick Santorum (R, 1995-2007)
2010 Pennsylvania Senate debates
2006 Pennsylvania Senate debates, Santorum vs. Casey
2004 Pennsylvania Senate debates, Specter vs. Hoeffel
|
| Arlen Specter | Democratic Sr Senator
Elected as Republican 2004; switched party, 2009. |
| Bob Casey | Democratic Jr Senator |
Rhode Island |
No Senate election in 2010.
2006 Republican Primary debate, Chafee vs. Laffey
|
| Jack Reed | Democratic Sr Senator |
| Sheldon Whitehouse | Democratic Jr Senator |
South Carolina |
Sen. DeMint up for re-election in 2010; Challengers:
Alvin Greene (D)
Charleston County Councilor Victor Rawl (D, lost primary)
Mullins McLeod (D, withdrew)
2004 S.C. Senate debate, Tenenbaum vs. DeMint
|
| Lindsey Graham | Republican Sr Senator, (SC) |
| Jim DeMint | Republican Jr Senator, (SC) |
South Dakota |
Sen. Thune up for re-election in 2010; Challengers:
State Sen. Nancy Turbak Berry (D, withdrew, leaving Thune unopposed)
Former Senators & Senate races:
Tom Daschle (D, 1987-2005)
2008 S.D. Senate debate, Dykstra vs. Johnson
2004 S.D. Senate debate, Daschle vs. Thune
|
| Tim Johnson | Democratic Sr Senator |
| John Thune | Republican Jr Senator |
Tennessee |
No Senate election in 2010.
2006 Tennessee Senate debate, Corker vs. Ford
|
| Lamar Alexander | Republican Sr Senator |
| Bob Corker | Republican Jr Senator |
Texas |
No Senate election in 2010.
Former Senators & Senate races:
Phil Gramm (R, 1985-2002)
2008 Texas Senate debate, Cornyn vs. Noriega
2006 Texas Senate debate, Jameson vs. Hutchison vs. Radnofsky
|
| Kay Bailey Hutchison | Republican Sr Senator |
| John Cornyn | Republican Jr Senator |
Utah |
Sen. Bennett defeated at Convention in 2010; Challengers:
Mike Lee (R)
Sam Granato (D)
Former US Rep. Merrill Cook (R)
2010 Utah Senate debate
2004 Utah Senate debate Oct. 14, 2004
|
| Orrin Hatch | Republican Sr Senator |
| Robert Bennett | Republican Jr Senator |
Vermont |
Sen. Leahy up for re-election in 2010; Challengers:
Daniel Freilich (I)
Len Britton (R)
|
| Patrick Leahy | Democratic Sr Senator |
| Bernie Sanders | Independent Jr Senator |
Virginia |
No Senate election in 2010.
2008 Virginia Senate debate, Gilmore vs. Warner
2006 Senate debate, Allen v. Webb
|
| Jim Webb | Democratic Sr Senator |
| Mark Warner | Democratic Jr Senator
First elected 2008 |
Washington |
Sen. Murray up for re-election in 2010; Challengers:
Former gubernatorial nominee Dino Rossi (R)
Also ran: State Sen. Don Benton (R), Arthur Coday Jr. (R), Clint Didier (R), Chris Widener (R), Craig Williams (R)
2010 Washington Senate debates
2006 Washington Senate debate, Cantwell vs. McGavick vs. Guthrie
2004 Washington Senate debate, Murray vs. Nethercutt
|
| Patty Murray | Democratic Sr Senator |
| Maria Cantwell | Democratic Jr Senator |
West Virginia |
Sen. Byrd died in June 2010.
Gov. Joe Manchin appointed an interim senator,
Carte Goodwin, who will hold office
until a special election in Nov. 2010. Contenders:
Gov. Joe Manchin (D)
John Raese (R)
2010 West Virginia Senate debates
|
| Robert Byrd | Democratic Sr Senator |
| Jay Rockefeller | Democratic Jr Senator |
Wisconsin |
Sen. Feingold up for re-election in 2010; Challengers:
Ron Johnson (R)
Former Gov. Tommy Thompson(R)
Others: Terrence Wall (R), Dave Westlake (R)
2010 Wisconsin Senate debates
2004 Wisconsin Senate debates, Feingold vs. Michels
|
| Herbert Kohl | Democratic Sr Senator |
| Russell Feingold | Democratic Jr Senator |
Wyoming |
No Senate election in 2010.
|
| Michael Enzi | Republican Sr Senator |
| John Barrasso | Republican Jr Senator
Appointed 2007; elected 2008 |
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