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Complete List of Senate Polls Used

Below we have a list of all the polls used on this site. Only nonpartisan polls are used; polls taken by pollsters working for one of the parties are intentionally omitted. The date given is when the poll ended. The poll length is also given. The polls for each state are sorted in descending order of their midpoints. Incumbents are denoted by an asterisk.

The data are also available as plain text and in .csv format for use with Excel. In the latter, the first column is the day number of the midpoint (Jan. 1, 2008 = day 1.0) and the second is the poll length in days.

The site also has a page describing the Senate races, including brief descriptions of the situation, the names and photos of the candidates, and links to their campaign pages, Wikipedia entries, and state parties.

State Democrat D-pct Republican R-pct Start End Pollster
Alabama Vivian Figures 31% Jeff Sessions* 58% Jul 31 Jul 31 Rasmussen
Alabama Vivian Figures 34% Jeff Sessions* 58% Jun 26 Jun 26 Rasmussen
Alabama Vivian Figures 29% Jeff Sessions* 62% May 27 May 27 Rasmussen
Alabama Vivian Figures 36% Jeff Sessions* 57% Apr 02 Apr 02 Rasmussen
Alabama Susan Parker 40% Jeff Sessions 59% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Alaska Mark Begich 56% Ted Stevens* 39% Aug 09 Aug 12 Ivan Moore Research
Alaska Mark Begich 50% Ted Stevens* 37% Jul 30 Jul 30 Rasmussen
Alaska Mark Begich 50% Ted Stevens* 41% Jul 17 Jul 17 Rasmussen
Alaska Mark Begich 47% Ted Stevens* 45% Jul 14 Jul 16 Research 2000
Alaska Mark Begich 44% Ted Stevens* 46% Jun 16 Jun 16 Rasmussen
Alaska Mark Begich 47% Ted Stevens* 45% May 14 May 14 Rasmussen
Alaska Mark Begich 48% Ted Stevens* 43% May 12 May 14 Research 2000
Alaska Mark Begich 45% Ted Stevens* 46% Apr 07 Apr 07 Rasmussen
Alaska Frank Vondersaar 11% Ted Stevens 78% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Arkansas Mark Pryor* 90% (No Republican) 00% Mar 10 Mar 10 Estimate; only opponent is
Arkansas Mark Pryor 54% Tim Hutchinson 46% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Colorado Mark Udall 44% Bob Schaffer 38% Aug 11 Aug 13 Rocky Mtn Poll
Colorado Mark Udall 47% Bob Schaffer 41% Aug 13 Aug 13 Rasmussen
Colorado Mark Udall 48% Bob Schaffer 39% Jul 25 Jul 25 Keith Frederick
Colorado Mark Udall 44% Bob Schaffer 44% Jul 14 Jul 22 Quinnipiac U.
Colorado Mark Udall 47% Bob Schaffer 43% Jul 21 Jul 21 Rasmussen
Colorado Mark Udall 48% Bob Schaffer 38% Jun 17 Jun 24 Quinnipiac U.
Colorado Mark Udall 49% Bob Schaffer 40% Jun 17 Jun 17 Rasmussen
Colorado Mark Udall 47% Bob Schaffer 41% May 19 May 19 Rasmussen
Colorado Mark Udall 45% Bob Schaffer 42% Apr 16 Apr 16 Rasmussen
Colorado Mark Udall 46% Bob Schaffer 43% Mar 17 Mar 17 Rasmussen
Colorado Mark Udall 43% Bob Schaffer 44% Feb 11 Feb 11 Rasmussen
Colorado Tom Strickland 46% Wayne Allard 51% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Delaware Joe Biden 58% Raymond Clatworthy 41% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Georgia Jim Martin 43% Saxby Chambliss* 48% Aug 14 Aug 14 Rasmussen
Georgia Jim Martin 40% Saxby Chambliss* 51% Jul 17 Jul 17 Rasmussen
Georgia Jim Martin 39% Saxby Chambliss* 52% Jun 26 Jun 26 Rasmussen
Georgia Jim Martin 36% Saxby Chambliss* 52% Jun 04 Jun 04 Rasmussen
Georgia Jim Martin 33% Saxby Chambliss* 54% May 06 May 06 Rasmussen
Georgia Jim Martin 33% Saxby Chambliss* 51% Mar 20 Mar 20 Rasmussen
Georgia Max Cleland 46% Saxby Chambliss 53% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Idaho Larry LaRocco 32% Jim Risch 42% Jul 28 Jul 29 Research 2000
Idaho Larry LaRocco 32% Jim Risch 42% Jan 09 Jan 10 Moore Information
Idaho Alan Blinken 33% Larry Craig 65% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Illinois Dick Durbin* 61% Steve Sauerberg 31% Aug 12 Aug 12 Rasmussen
Illinois Dick Durbin* 61% Steve Sauerberg 27% Jul 08 Jul 08 Rasmussen
Illinois Dick Durbin 60% Jim Durkin 38% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Iowa Tom Harkin* 58% Christopher Reed 34% Aug 07 Aug 07 Rasmussen
Iowa Tom Harkin* 52% Christopher Reed 36% Jul 10 Jul 10 Rasmussen
Iowa Tom Harkin* 53% Christopher Reed 37% Jun 10 Jun 10 Rasmussen
Iowa Tom Harkin 54% Greg Ganske 44% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Kansas Jim Slattery 36% Pat Roberts* 55% Aug 11 Aug 11 Rasmussen
Kansas Jim Slattery 30% Pat Roberts* 57% Jul 14 Jul 14 Rasmussen
Kansas Jim Slattery 34% Pat Roberts* 51% Jun 22 Jun 23 SurveyUSA
Kansas Jim Slattery 39% Pat Roberts* 48% Jun 11 Jun 11 Rasmussen
Kansas Jim Slattery 38% Pat Roberts* 50% Jun 02 Jun 04 Research 2000
Kansas Jim Slattery 40% Pat Roberts* 52% May 13 May 13 Rasmussen
Kansas (No Democrat) 08% Pat Roberts 83% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Kentucky Bruce Lunsford 40% Mitch McConnell* 52% Aug 09 Aug 11 SurveyUSA
Kentucky Bruce Lunsford 38% Mitch McConnell* 49% Jul 28 Jul 30 Research 2000
Kentucky Bruce Lunsford 38% Mitch McConnell* 50% Jul 29 Jul 29 Rasmussen
Kentucky Bruce Lunsford 41% Mitch McConnell* 48% Jun 25 Jun 25 Rasmussen
Kentucky Bruce Lunsford 46% Mitch McConnell* 50% Jun 13 Jun 16 SurveyUSA
Kentucky Bruce Lunsford 49% Mitch McConnell* 44% May 22 May 22 Rasmussen
Kentucky Lois Weinberg 35% Mitch McConnell 65% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Louisiana Mary Landrieu* 53% John Kennedy 37% Aug 17 Aug 17 Rasmussen
Louisiana Mary Landrieu* 49% John Kennedy 44% Jul 09 Jul 09 Rasmussen
Louisiana Mary Landrieu* 46% John Kennedy 40% Jun 26 Jun 28 Opinion Res.
Louisiana Mary Landrieu* 47% John Kennedy 44% May 28 May 28 Rasmussen
Louisiana Mary Landrieu* 50% John Kennedy 38% Mar 26 Apr 09 Southern Media
Louisiana Mary Landrieu 50% Suzanne Terrell 49% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Maine Tom Allen 38% Susan Collins* 53% Aug 12 Aug 12 Rasmussen
Maine Tom Allen 42% Susan Collins* 49% Jul 17 Jul 17 Rasmussen
Maine Tom Allen 37% Susan Collins* 51% Jun 01 Jun 27 Critical Insights
Maine Tom Allen 31% Susan Collins* 56% Jun 10 Jun 18 Pan Atlantic SMS Group
Maine Tom Allen 42% Susan Collins* 49% Jun 16 Jun 16 Rasmussen
Maine Tom Allen 42% Susan Collins* 52% May 14 May 14 Rasmussen
Maine Tom Allen 38% Susan Collins* 54% Apr 01 Apr 01 Rasmussen
Maine Chellie Pingree 42% Susan Collins 58% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Massachusetts John Kerry* 56% Jeff Beatty 29% Aug 05 Aug 05 Rasmussen
Massachusetts John Kerry* 58% Jeff Beatty 27% Jun 30 Jun 30 Rasmussen
Massachusetts John Kerry* 63% Jeff Beatty 25% Jun 30 Jun 30 Rasmussen
Massachusetts John Kerry* 63% Jeff Beatty 25% May 29 May 29 Rasmussen
Massachusetts John Kerry 80% Michael Cloud 20% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Michigan Carl Levin* 56% Jack Hoogendyk 36% Aug 07 Aug 07 Rasmussen
Michigan Carl Levin* 58% Jack Hoogendyk 32% Jul 13 Jul 15 EPIC-MRA
Michigan Carl Levin* 54% Jack Hoogendyk 33% Jul 10 Jul 10 Rasmussen
Michigan Carl Levin* 55% Jack Hoogendyk 35% Jun 11 Jun 11 Rasmussen
Michigan Carl Levin* 54% Jack Hoogendyk 37% May 07 May 07 Rasmussen
Michigan Carl Levin 61% Andrew Raczkowski 38% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Minnesota Al Franken 39% Norm Coleman* 46% Aug 13 Aug 14 SurveyUSA
Minnesota Al Franken 45% Norm Coleman* 45% Aug 13 Aug 13 Rasmussen
Minnesota Al Franken 38% Norm Coleman* 53% Jul 14 Jul 22 Quinnipiac U.
Minnesota Al Franken 43% Norm Coleman* 44% Jul 22 Jul 22 Rasmussen
Minnesota Al Franken 39% Norm Coleman* 52% Jul 11 Jul 13 SurveyUSA
Minnesota Al Franken 44% Norm Coleman* 42% Jul 10 Jul 10 Rasmussen
Minnesota Al Franken 41% Norm Coleman* 51% Jun 17 Jun 24 Quinnipiac U.
Minnesota Al Franken 40% Norm Coleman* 52% Jun 10 Jun 12 SurveyUSA
Minnesota Al Franken 45% Norm Coleman* 48% Jun 11 Jun 11 Rasmussen
Minnesota Al Franken 45% Norm Coleman* 47% May 22 May 22 Rasmussen
Minnesota Al Franken 44% Norm Coleman* 51% May 12 May 15 Star Tribune
Minnesota Al Franken 42% Norm Coleman* 52% Apr 30 May 01 SurveyUSA
Minnesota Al Franken 43% Norm Coleman* 50% Apr 22 Apr 22 Rasmussen
Minnesota Al Franken 46% Norm Coleman* 48% Mar 19 Mar 19 Rasmussen
Minnesota Al Franken 41% Norm Coleman* 51% Mar 12 Mar 12 SurveyUSA
Minnesota Al Franken 49% Norm Coleman* 46% Feb 16 Feb 16 Rasmussen
Minnesota Al Franken 47% Norm Coleman* 46% Feb 10 Feb 10 SurveyUSA
Minnesota Jack Shepard 48% Norm Coleman 50% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Mississippi Ronnie Musgrove 42% Roger Wicker 48% Jul 28 Jul 28 Rasmussen
Mississippi Ronnie Musgrove 44% Roger Wicker 45% Jul 21 Jul 23 Research 2000
Mississippi Ronnie Musgrove 47% Roger Wicker 48% Jun 24 Jun 24 Rasmussen
Mississippi Ronnie Musgrove 47% Roger Wicker 46% May 27 May 27 Rasmussen
Mississippi Ronnie Musgrove 42% Roger Wicker 46% May 19 May 21 Research 2000
Mississippi Eric Fleming 35% Trent Lott 64% Nov 05 2002 Election 2006
 
State Democrat D-pct Republican R-pct Start End Pollster
Montana Max Baucus 63% Mike Taylor 32% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Nebraska Scott Kleeb 31% Mike Johanns 56% Jul 28 Jul 28 Rasmussen
Nebraska Scott Kleeb 33% Mike Johanns 60% Jun 23 Jun 23 Rasmussen
Nebraska Scott Kleeb 31% Mike Johanns 58% May 19 May 21 Research 2000
Nebraska Scott Kleeb 40% Mike Johanns 55% May 15 May 15 Rasmussen
Nebraska Charlie Matulka 15% Chuck Hagel 83% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
New Hampshire Jeanne Shaheen 50% John Sununu* 45% Jul 23 Jul 23 Rasmussen
New Hampshire Jeanne Shaheen 58% John Sununu* 36% Jul 19 Jul 21 ArkansasG
New Hampshire Jeanne Shaheen 46% John Sununu* 42% Jul 11 Jul 20 U. of New Hampshire
New Hampshire Jeanne Shaheen 53% John Sununu* 39% Jun 18 Jun 18 Rasmussen
New Hampshire Jeanne Shaheen 54% John Sununu* 40% Jun 13 Jun 17 ArkansasG
New Hampshire Jeanne Shaheen 50% John Sununu* 43% May 21 May 21 Rasmussen
New Hampshire Jeanne Shaheen 46% John Sununu* 36% Apr 28 May 02 Dartmouth College
New Hampshire Jeanne Shaheen 51% John Sununu* 43% Apr 30 Apr 30 Rasmussen
New Hampshire Jeanne Shaheen 52% John Sununu* 40% Apr 25 Apr 30 U. of New Hampshire
New Hampshire Jeanne Shaheen 47% John Sununu* 33% Mar 14 Mar 17 ArkansasG
New Hampshire Jeanne Shaheen 49% John Sununu* 41% Mar 16 Mar 16 Rasmussen
New Hampshire Jeanne Shaheen 49% John Sununu* 41% Feb 14 Feb 14 Rasmussen
New Hampshire Jeanne Shaheen 55% John Sununu* 37% Jan 18 Jan 27 U. of New Hampshire
New Hampshire Jeanne Shaheen 46% John Sunusu 51% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
New Jersey Frank Lautenberg* 48% Richard Zimmer 41% Aug 04 Aug 10 Quinnipiac U.
New Jersey Frank Lautenberg* 50% Richard Zimmer 32% Aug 07 Aug 10 Zogby
New Jersey Frank Lautenberg* 51% Richard Zimmer 33% Aug 04 Aug 04 Rasmussen
New Jersey Frank Lautenberg* 45% Richard Zimmer 37% Jul 17 Jul 21 Monmouth U.
New Jersey Frank Lautenberg* 49% Richard Zimmer 36% Jun 07 Jul 07 Rasmussen
New Jersey Frank Lautenberg* 45% Richard Zimmer 28% Jun 17 Jun 22 Fairleigh Dickinson U.
New Jersey Frank Lautenberg* 47% Richard Zimmer 38% Jun 05 Jun 08 Quinnipiac U.
New Jersey Frank Lautenberg* 45% Richard Zimmer 44% Jun 04 Jun 04 Rasmussen
New Jersey Frank Lautenberg 54% Doug Forrester 44% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
New Mexico Tom Udall 59% Steve Pearce 34% Jul 24 Jul 24 Rasmussen
New Mexico Tom Udall 58% Steve Pearce 30% Jun 18 Jun 18 Rasmussen
New Mexico Tom Udall 60% Steve Pearce 35% May 30 Jun 01 SurveyUSA
New Mexico Tom Udall 53% Steve Pearce 37% May 14 May 14 Rasmussen
New Mexico Tom Udall 60% Steve Pearce 36% May 12 May 14 SurveyUSA
New Mexico Tom Udall 54% Steve Pearce 40% Apr 08 Apr 08 Rasmussen
New Mexico Tom Udall 50% Steve Pearce 42% Feb 18 Feb 18 Rasmussen
New Mexico Tom Udall 53% Steve Pearce 31% Jan 22 Jan 31 U. of New Mexico
New Mexico Gloria Tristani 35% Pete Domenici 65% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
North Carolina Kay Hagan 41% Elizabeth Dole* 46% Aug 09 Aug 11 SurveyUSA
North Carolina Kay Hagan 41% Elizabeth Dole* 53% Jul 15 Jul 15 Rasmussen
North Carolina Kay Hagan 42% Elizabeth Dole* 54% Jul 12 Jul 14 SurveyUSA
North Carolina Kay Hagan 39% Elizabeth Dole* 53% Jun 10 Jun 10 Rasmussen
North Carolina Kay Hagan 46% Elizabeth Dole* 50% May 17 May 19 SurveyUSA
North Carolina Kay Hagan 48% Elizabeth Dole* 47% May 08 May 08 Rasmussen
North Carolina Kay Hagan 41% Elizabeth Dole* 48% Apr 28 Apr 30 Research 2000
North Carolina Erskine Bowles 45% Liddy Dole 54% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Oklahoma Andrew Rice 30% James Inhofe* 52% Jul 19 Jul 23 Sooner Poll
Oklahoma Andrew Rice 31% James Inhofe* 53% Jun 09 Jun 11 Research 2000
Oklahoma David Walters 36% James Inhofe 57% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Oregon Jeff Merkley 39% Gordon Smith* 47% Aug 07 Aug 07 Rasmussen
Oregon Jeff Merkley 37% Gordon Smith* 49% Aug 02 Aug 04 SurveyUSA
Oregon Jeff Merkley 43% Gordon Smith* 41% Jul 15 Jul 15 Rasmussen
Oregon Jeff Merkley 38% Gordon Smith* 47% Jun 11 Jun 11 Rasmussen
Oregon Jeff Merkley 42% Gordon Smith* 45% May 07 May 07 Rasmussen
Oregon Jeff Merkley 34% Gordon Smith* 47% Mar 25 Mar 25 Rasmussen
Oregon Jeff Merkley 30% Gordon Smith* 48% Feb 13 Feb 13 Rasmussen
Oregon Bill Bradbury 40% Gordon Smith 56% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Rhode Island Jack Reed* 72% Bob Tingle 20% Jul 01 Jul 01 Rasmussen
Rhode Island Jack Reed 78% Robert Tingle 22% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
South Carolina Alex Sanders 44% Lindsey Graham 54% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
South Dakota Tim Johnson* 60% Joel Dykstra 35% Jul 09 Jul 09 Rasmussen
South Dakota Tim Johnson* 63% Joel Dykstra 28% Mar 04 Mar 04 Rasmussen
South Dakota Tim Johnson 50% Herman Eilers 49% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Tennessee Bob Clement 44% Lamar Alexander 54% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Texas Rick Noriega 37% John Cornyn* 47% Jul 30 Jul 30 Rasmussen
Texas Rick Noriega 35% John Cornyn* 48% Jun 25 Jun 25 Rasmussen
Texas Rick Noriega 35% John Cornyn* 52% Jun 02 Jun 02 Rasmussen
Texas Rick Noriega 44% John Cornyn* 48% May 05 May 07 Research 2000
Texas Rick Noriega 43% John Cornyn* 47% May 01 May 01 Rasmussen
Texas Ron Kirk 43% John Cornyn 55% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Virginia Mark Warner 59% Jim Gilmore 33% Aug 12 Aug 12 Rasmussen
Virginia Mark Warner 58% Jim Gilmore 34% Aug 08 Aug 10 SurveyUSA
Virginia Mark Warner 57% Jim Gilmore 34% Jul 16 Jul 16 Rasmussen
Virginia Mark Warner 60% Jim Gilmore 33% Jun 12 Jun 12 Rasmussen
Virginia Mark Warner 55% Jim Gilmore 37% May 08 May 08 Rasmussen
Virginia Mark Warner 55% Jim Gilmore 39% Mar 26 Mar 26 Rasmussen
Virginia Mark Warner 57% Jim Gilmore 37% Feb 19 Feb 19 Rasmussen
Virginia Mark Warner 53% Jim Gilmore 38% Jan 03 Jan 03 Rasmussen
Virginia (No Democrat) 00% John Warner 83% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
West Virginia Jay Rockefeller 63% Jay Wolfe 37% Nov 05 2002 Election 2002
 
State Democrat D-pct Republican R-pct Start End Pollster
Wyoming Dale Groutage 30% Craig Thomas 70% Nov 05 2002 Election 2006
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