Poll Date Sample Clinton Obama Spread
Gallup 01/30 - 02/01 1269 LV 48 41 Clinton +7.0
ABC/Wash Post 01/30 - 02/01 LV 47 43 Clinton +4.0
Rasmussen 01/29 - 02/01 750 LV 45 37 Clinton +8.0
FOX News 01/30 - 01/31 RV 47 37 Clinton +10.0
NBC/WSJ 01/20 - 01/22 Adults 47 32 Clinton +15.0
LA Times/Bloomberg 01/18 - 01/22 532 LV 42 33 Clinton +9.0
AP-Ipsos 01/15 - 01/17 453 RV 40 33 Clinton +7.0
CNN 01/14 - 01/17 448 RV 42 33 Clinton +9.0
USA Today/Gallup 01/11 - 01/13 1021 LV 45 33 Clinton +12.0
Reuters/Zogby 01/11 - 01/13 459 LV 39 38 Clinton +1.0
Pew Research 01/09 - 01/13 621 RV 46 31 Clinton +15.0
Hotline/FD 01/10 - 01/12 380 LV 38 35 Clinton +3.0
CBS News/NY Times 01/09 - 01/12 508 LV 42 27 Clinton +15.0
ABC/Wash Post 01/09 - 01/12 423 LV 42 37 Clinton +5.0
CNN 01/09 - 01/10 443 RV 49 36 Clinton +13.0
USA Today/Gallup 01/04 - 01/06 499 A 33 33 Tie
Pew Research 12/19 - 12/30 556 RV 46 26 Clinton +20.0
FOX News 12/18 - 12/19 RV 49 20 Clinton +29.0
NBC/WSJ 12/14 - 12/17 Adults 45 23 Clinton +22.0
USA Today/Gallup 12/14 - 12/16 513 A 45 27 Clinton +18.0
Rasmussen 12/13 - 12/16 750 LV 40 27 Clinton +13.0
Reuters/Zogby 12/12 - 12/14 436 LV 40 32 Clinton +8.0
Hotline/FD 12/10 - 12/14 336 LV 35 30 Clinton +5.0
ARG 12/09 - 12/12 600 LV 41 22 Clinton +19.0
Battleground 12/09 - 12/12 LV 47 23 Clinton +24.0
CNN 12/06 - 12/09 RV 40 30 Clinton +10.0
ABC/Wash Post 12/06 - 12/09 429 LV 53 23 Clinton +30.0
CBS News/NY Times 12/05 - 12/09 417 LV 44 27 Clinton +17.0
AP-Ipsos 12/03 - 12/05 469 RV 45 23 Clinton +22.0
LA Times/Bloomberg 11/30 - 12/03 529 LV 45 21 Clinton +24.0
USA Today/Gallup 11/30 - 12/02 494 A 39 24 Clinton +15.0
Rasmussen 11/28 - 12/01 750 LV 37 24 Clinton +13.0
AP-Pew 11/20 - 11/26 467 LV 48 22 Clinton +26.0
Rasmussen 11/15 - 11/18 750 LV 41 24 Clinton +17.0
Reuters/Zogby 11/14 - 11/17 545 LV 38 27 Clinton +11.0
FOX News 11/13 - 11/14 397 RV 44 23 Clinton +21.0
Gallup 11/11 - 11/14 485 A 48 21 Clinton +27.0
American Res. Group 11/09 - 11/12 600 LV 46 21 Clinton +25.0
Cook/RT Strategies 11/08 - 11/11 376 RV 39 22 Clinton +17.0
AP-Ipsos 11/05 - 11/07 474 RV 45 22 Clinton +23.0
NBC/WSJ 11/01 - 11/05 Adults 47 25 Clinton +22.0
CNN 11/02 - 11/04 467 RV 44 25 Clinton +19.0
USA Today/Gallup 11/02 - 11/04 508 RV 50 22 Clinton +28.0
Rasmussen 11/01 - 11/04 750 LV 41 22 Clinton +19.0
Newsweek 10/31 - 11/01 433 RV 43 24 Clinton +19.0
ABC/Wash Post 10/29 - 11/01 598 A 49 26 Clinton +23.0
Marist 10/29 - 11/01 385 RV 48 17 Clinton +31.0
Quinnipiac 10/23 - 10/29 742 RV 47 21 Clinton +26.0
Zogby 10/24 - 10/27 527 LV 38 24 Clinton +14.0
FOX News 10/23 - 10/24 329 RV 42 25 Clinton +17.0
Pew Research 10/17 - 10/23 837 RV 45 24 Clinton +21.0
LA Times/Bloomberg 10/19 - 10/22 469 LV 48 17 Clinton +31.0
Rasmussen 10/18 - 10/21 750 LV 49 22 Clinton +27.0
CBS News* 10/12 - 10/16 456 RV 51 23 Clinton +28.0
USA Today/Gallup 10/12 - 10/14 500 A 50 21 Clinton +29.0
CNN 10/12 - 10/14 485 RV 51 21 Clinton +30.0
Reuters/Zogby 10/10 - 10/14 426 LV 46 25 Clinton +21.0
American Res. Group 10/09 - 10/12 600 LV 45 20 Clinton +25.0
FOX News 10/09 - 10/10 377 LV 50 18 Clinton +32.0
Rasmussen 10/04 - 10/07 750 LV 42 26 Clinton +16.0
Gallup 10/04 - 10/07 488 A 47 26 Clinton +21.0
AP-Ipsos 10/01 - 10/03 482 A 46 25 Clinton +21.0
ABC News/Wash Post 09/27 - 09/30 592 A 53 20 Clinton +33.0
AP-Ipsos 09/21 - 09/25 631 A 40 26 Clinton +14.0
Rasmussen 09/20 - 09/23 750 LV 40 28 Clinton +12.0
CBS News* 09/14 - 09/16 Adults 43 22 Clinton +21.0
Gallup 09/14 - 09/16 531 A 47 25 Clinton +22.0
Reuters/Zogby 09/13 - 09/16 LV 35 21 Clinton +14.0
Pew Research 09/12 - 09/16 568 RV 42 25 Clinton +17.0
Cook/RT Strategies 09/13 - 09/15 405 RV 36 23 Clinton +13.0
FOX News 09/11 - 09/12 396 RV 43 24 Clinton +19.0
AP-Ipsos 09/10 - 09/12 482 RV 43 23 Clinton +20.0
American Res. Group 09/09 - 09/12 600 LV 39 21 Clinton +18.0
NBC/WSJ 09/07 - 09/10 Adults 44 23 Clinton +21.0
CNN 09/07 - 09/09 Adults 46 23 Clinton +23.0
NYT/CBS News* 09/04 - 09/09 Adults 44 26 Clinton +18.0
USA Today/Gallup 09/07 - 09/08 500 LV 45 24 Clinton +21.0
Rasmussen 09/05 - 09/08 750 LV 43 22 Clinton +21.0
ABC News/Wash Post 09/04 - 09/07 Adults 41 27 Clinton +14.0
Rasmussen 08/23 - 08/26 750 LV 40 21 Clinton +19.0
FOX News 08/21 - 08/22 335 LV 35 23 Clinton +12.0
Gallup 08/13 - 08/16 Adults 42 21 Clinton +21.0
Quinnipiac 08/07 - 08/13 717 LV 36 21 Clinton +15.0
Rasmussen 08/09 - 08/12 750 LV 43 23 Clinton +20.0
American Res. Group 08/09 - 08/12 600 LV 36 21 Clinton +15.0
CBS News* 08/08 - 08/12 492 LV 45 25 Clinton +20.0
CNN 08/06 - 08/07 RV 40 21 Clinton +19.0
USA Today/Gallup 08/03 - 08/05 490 A 42 19 Clinton +23.0
Cook/RT Strategies 08/02 - 08/05 376 RV 39 21 Clinton +18.0
Newsweek 08/01 - 08/01 422 RV 44 23 Clinton +21.0
NBC/WSJ 07/27 - 07/30 481 A 43 22 Clinton +21.0
Rasmussen 07/26 - 07/29 750 LV 40 24 Clinton +16.0
Pew Research 07/25 - 07/29 623 RV 40 21 Clinton +19.0
Hotline/FD 07/19 - 07/22 RV 39 30 Clinton +9.0
ABC News/Wash Post 07/18 - 07/21 Adults 39 28 Clinton +11.0
FOX News 07/17 - 07/18 RV 39 23 Clinton +16.0
CBS News/NY Times* 07/09 - 07/17 LV 43 24 Clinton +19.0
Gallup 07/12 - 07/15 483 A 34 25 Clinton +9.0
Rasmussen 07/09 - 07/15 1300 LV 38 25 Clinton +13.0
Zogby 07/12 - 07/14 396 LV 37 25 Clinton +12.0
American Res. Group 07/09 - 07/12 600 LV 38 25 Clinton +13.0
AP-Ipsos 07/09 - 07/11 Adults 36 20 Clinton +16.0
USA Today/Gallup 07/06 - 07/08 516 RV 37 21 Clinton +16.0
CBS News/NY Times* 06/26 - 06/28 336 LV 48 24 Clinton +24.0
Rasmussen 06/25 - 06/28 769 LV 39 26 Clinton +13.0
FOX News 06/26 - 06/27 RV 42 19 Clinton +23.0
CNN 06/22 - 06/24 450 RV 35 23 Clinton +12.0
Cook/RT Strategies 06/21 - 06/23 378 RV 32 22 Clinton +10.0
Newsweek 06/20 - 06/21 422 RV 43 27 Clinton +16.0
Rasmussen 06/18 - 06/21 763 LV 37 25 Clinton +12.0
Cook/RT Strategies 06/15 - 06/17 380 RV 30 20 Clinton +10.0
USA Today/Gallup 06/11 - 06/14 1007 A 33 21 Clinton +12.0
Rasmussen 06/11 - 06/14 775 LV 38 27 Clinton +11.0
American Res. Group 06/09 - 06/12 600 LV 39 19 Clinton +20.0
NBC/WSJ 06/08 - 06/11 Adults 39 25 Clinton +14.0
Quinnipiac 06/05 - 06/11 789 LV 35 21 Clinton +14.0
LA Times/Bloomberg 06/07 - 06/10 449 LV 33 22 Clinton +11.0
Rasmussen 06/04 - 06/07 773 LV 37 25 Clinton +12.0
FOX News 06/05 - 06/06 RV 36 23 Clinton +13.0
AP-Ipsos 06/04 - 06/06 541 LV 33 21 Clinton +12.0
USA Today/Gallup 06/01 - 06/03 470 LV 29 30 Obama +1.0
ABC News/Wash Post 05/29 - 06/01 1205 Adults 35 23 Clinton +12.0
Rasmussen 05/29 - 05/31 738 LV 34 26 Clinton +8.0
Rasmussen 05/21 - 05/23 559 LV 35 26 Clinton +9.0
NYT/CBS News* 05/18 - 05/23 441 LV 46 24 Clinton +22.0
Zogby 05/17 - 05/20 411 RV 39 24 Clinton +15.0
Hotline/FD 05/16 - 05/20 261 LV 31 21 Clinton +10.0
Rasmussen 05/14 - 05/17 788 LV 35 25 Clinton +10.0
FOX News 05/15 - 05/16 900 RV 35 20 Clinton +15.0
Cook/RT Strategies 05/11 - 05/13 402 RV 32 24 Clinton +8.0
Gallup 05/10 - 05/13 489 LV 35 26 Clinton +9.0
American Res. Group 05/09 - 05/12 600 LV 39 22 Clinton +17.0
Rasmussen 05/07 - 05/10 789 LV 35 33 Clinton +2.0
CNN/Opinion Research 05/04 - 05/06 454 RV 38 24 Clinton +14.0
USA Today/Gallup 05/04 - 05/06 491 RV 38 23 Clinton +15.0
Rasmussen 04/30 - 05/03 760 LV 34 26 Clinton +8.0
Marist 04/26 - 05/01 392 RV 35 17 Clinton +18.0
Quinnipiac 04/25 - 05/01 499 RV 32 18 Clinton +14.0
Cook/RT Strategies 04/27 - 04/30 389 RV 32 24 Clinton +8.0
Rasmussen 04/23 - 04/26 765 LV 30 32 Obama +2.0
NBC/WSJ 04/20 - 04/23 Adults 36 31 Clinton +5.0
Pew Research 04/18 - 04/22 574 RV 34 24 Clinton +10.0
Rasmussen 04/16 - 04/19 579 LV 32 32 Tie
FOX News 04/17 - 04/18 RV 41 20 Clinton +21.0
USA Today/Gallup 04/13 - 04/15 504 RV 31 26 Clinton +5.0
ABC News/Wash Post 04/12 - 04/15 Adults 37 20 Clinton +17.0
CNN 04/10 - 04/12 RV 30 26 Clinton +4.0
American Res. Group 04/09 - 04/12 600 LV 36 24 Clinton +12.0
CBS News* 04/09 - 04/12 392 RV 39 24 Clinton +15.0
Rasmussen 04/09 - 04/12 774 LV 32 30 Clinton +2.0
LA Times/Bloomberg 04/05 - 04/09 557 RV 33 23 Clinton +10.0
Time 04/05 - 04/09 493 RV 33 26 Clinton +7.0
Rasmussen 04/02 - 04/05 774 LV 34 29 Clinton +5.0
Gallup 04/02 - 04/05 491 A 38 19 Clinton +19.0
Cook/RT Strategies 03/29 - 04/01 355 RV 41 17 Clinton +24.0
Rasmussen 03/26 - 03/29 799 LV 33 26 Clinton +7.0
FOX News 03/27 - 03/28 RV 36 18 Clinton +18.0
Time 03/23 - 03/26 511 RV 31 24 Clinton +7.0
Zogby 03/22 - 03/26 432 LV 32 22 Clinton +10.0
USA Today/Gallup 03/23 - 03/25 493 A 35 22 Clinton +13.0
Pew Research 03/21 - 03/25 614 RV 35 26 Clinton +9.0
Rasmussen 03/19 - 03/22 757 LV 37 25 Clinton +12.0
Rasmussen 03/12 - 03/15 790 LV 35 30 Clinton +5.0
Time 03/09 - 03/12 682 RV 34 26 Clinton +8.0
CNN 03/09 - 03/11 447 RV 37 22 Clinton +15.0
Rasmussen 03/05 - 03/08 783 LV 38 26 Clinton +12.0
AP-Ipsos 03/05 - 03/07 RV 38 21 Clinton +17.0
NBC/WSJ 03/02 - 03/05 Adults 40 28 Clinton +12.0
American Res. Group 03/02 - 03/05 600 LV 34 31 Clinton +3.0
USA Today/Gallup 03/02 - 03/04 482 A 36 22 Clinton +14.0
Rasmussen 02/26 - 03/01 769 LV 34 26 Clinton +8.0
FOX News 02/27 - 02/28 RV 34 23 Clinton +11.0
Time 02/23 - 02/26 RV 36 24 Clinton +12.0
ABC News/Wash Post 02/22 - 02/25 Adults 36 24 Clinton +12.0
Zogby 02/22 - 02/24 LV 33 25 Clinton +8.0
Rasmussen 02/19 - 02/22 568 LV 37 26 Clinton +11.0
Quinnipiac 02/13 - 02/19 684 RV 38 23 Clinton +15.0
Cook/RT Strategies 02/15 - 02/18 390 RV 42 20 Clinton +22.0
Marist 02/12 - 02/15 471 RV 37 17 Clinton +20.0
USA Today/Gallup 02/09 - 02/11 495 A 40 21 Clinton +19.0
Siena 02/06 - 02/09 RV 45 12 Clinton +33.0
Rasmussen 02/05 - 02/08 435 LV 28 23 Clinton +5.0
Rasmussen 01/29 - 02/03 448 LV 34 18 Clinton +16.0
FOX News 01/30 - 01/31 RV 43 15 Clinton +28.0
Rasmussen 01/22 - 01/25 435 LV 33 19 Clinton +14.0
Time 01/22 - 01/23 480 RV 40 21 Clinton +19.0
CNN 01/19 - 01/21 467 RV 34 18 Clinton +16.0
ABC News/Wash Post 01/16 - 01/19 561 A 41 17 Clinton +24.0
Rasmussen 01/15 - 01/18 386 LV 31 24 Clinton +7.0
Gallup 01/12 - 01/14 1003 A 29 18 Clinton +11.0
Rasmussen 01/08 - 01/11 401 LV 22 21 Clinton +1.0
Zogby 01/05 - 01/09 339 LV 29 14 Clinton +15.0
Gallup 12/11 - 12/14 511 A 33 20 Clinton +13.0
NBC/WSJ 12/08 - 12/11 1006 A 37 18 Clinton +19.0
ABC News/Wash Post 12/07 - 12/11 1005 A 39 17 Clinton +22.0
CNN 12/05 - 12/07 612 RV 37 15 Clinton +22.0
FOX News 12/05 - 12/06 900 RV 33 12 Clinton +21.0
Marist 11/27 - 12/03 RV 33 12 Clinton +21.0
CNN 11/17 - 11/19 RV 33 15 Clinton +18.0
Cook/RT Strategies 11/09 - 11/12 RV 34 20 Clinton +14.0
Pew Research 11/09 - 11/12 RV 39 23 Clinton +16.0
Gallup 11/09 - 11/12 A 31 19 Clinton +12.0
McLaughlin & Associates (R) 11/07 - 11/07 LV 27 21 Clinton +6.0
CNN 10/27 - 10/29 RV 28 17 Clinton +11.0
http://www.realclearpolitics.com/epolls/2008/president/us/democratic_presidential_nomination-191.html#polls