2016 Iowa Republican Presidential Caucus, USA PRESIDENTIAL ELECTION 2016, US AMERICA PRESIDENT OPINION POLL, Iowa opinion poll, Opinion Poll, US Opinion poll results 2015, Who will win in US polls, US Election Survey Result, US Exit poll, US Election Issues, US Party Wise opinion poll, Opinion polls, pre poll survey, Democratic, Republican Opinion poll results
2016 Iowa Republican Presidential Caucus, USA PRESIDENTIAL ELECTION 2016, US AMERICA PRESIDENT OPINION POLL, Iowa opinion poll, Opinion Poll, US Opinion poll results 2015, Who will win in US polls, US Election Survey Result, US Exit poll, US Election Issues, US Party Wise opinion poll, Opinion polls, pre poll survey, Democratic, Republican Opinion poll results
2016 Iowa Republican Presidential Caucus.Currently tracking 68 polls from 29 pollsters
| POLLSTER | DATES | CRUZ | TRUMP | RUBIO | CARSON | BUSH | PAUL |
| Quinnipiac NEW! | 12/4 – 12/13 | 27 | 28 | 14 | 10 | 5 | 4 |
| FOX | 12/7 – 12/10 | 28 | 26 | 13 | 10 | 5 | 5 |
| Loras College NEW! | 12/7 – 12/10 | 30 | 23 | 11 | 11 | 6 | 2 |
| Des Moines Register/Bloomberg/Selzer | 12/7 – 12/10 | 31 | 21 | 10 | 13 | 6 | 3 |
| Monmouth University | 12/3 – 12/6 | 24 | 19 | 17 | 13 | 6 | 4 |
| CNN | 11/28 – 12/6 | 20 | 33 | 11 | 16 | 4 | 3 |
| Quinnipiac | 11/16 – 11/22 | 23 | 25 | 13 | 18 | 4 | 5 |
| CBS/YouGov | 11/15 – 11/19 | 21 | 30 | 11 | 19 | 5 | 2 |
| Morning Consult/Campaign for Sustainable Rx Pricing | 11/10 – 11/16 | 9 | 29 | 12 | 17 | 9 | 3 |
| Iowa State/WHO-HD | 11/2 – 11/15 | 9 | 15 | 17 | 27 | 5 | 3 |
| CNN | 10/29 – 11/4 | 11 | 25 | 13 | 23 | 5 | 2 |
| PPP (D) | 10/30 – 11/1 | 14 | 22 | 10 | 21 | 5 | 2 |
| Gravis Marketing/One America News | 10/31 – 10/31 | 9 | 29 | 18 | 22 | 6 | 2 |
| Monmouth College/KBUR/Douglas Fulmer & Associates | 10/29 – 10/31 | 15 | 20 | 10 | 28 | 9 | 2 |
| Monmouth University | 10/22 – 10/25 | 10 | 18 | 10 | 32 | 8 | 3 |
| Loras College | 10/19 – 10/22 | 6 | 19 | 10 | 31 | 7 | 2 |
| CBS/YouGov | 10/15 – 10/22 | 12 | 27 | 9 | 27 | 6 | 3 |
| Quinnipiac | 10/14 – 10/20 | 10 | 20 | 13 | 28 | 5 | 6 |
| Des Moines Register/Bloomberg/Selzer | 10/16 – 10/19 | 10 | 19 | 9 | 28 | 5 | 5 |
| Basswood (R-Club for Growth Action) | 10/3 – 10/4 | 5 | 16 | 11 | 21 | 10 | 1 |
| NBC/WSJ/Marist | 9/23 – 9/30 | 6 | 24 | 6 | 19 | 7 | 4 |
| Gravis Marketing/One America News | 9/25 – 9/27 | 11 | 19 | 9 | 14 | 7 | 2 |
| PPP (D) | 9/18 – 9/20 | 8 | 24 | 8 | 17 | 6 | 4 |
| CBS/YouGov | 9/3 – 9/10 | 10 | 29 | 6 | 25 | 3 | 2 |
| Quinnipiac | 8/27 – 9/8 | 9 | 27 | 5 | 21 | 6 | 4 |
| NBC/Marist | 8/26 – 9/2 | 4 | 29 | 4 | 22 | 6 | 5 |
| Gravis Marketing | 8/29 – 8/31 | 7 | 32 | 6 | 16 | 4 | 1 |
| Monmouth University | 8/27 – 8/30 | 9 | 23 | 4 | 23 | 5 | 3 |
| Loras College | 8/24 – 8/27 | 7 | 25 | 4 | 18 | 10 | 2 |
| Des Moines Register/Bloomberg/Selzer | 8/23 – 8/26 | 8 | 23 | 6 | 18 | 6 | 4 |
| CNN | 8/7 – 8/11 | 8 | 22 | 5 | 14 | 5 | 5 |
| Suffolk/USA Today | 8/7 – 8/10 | 7 | 17 | 10 | 9 | 5 | 2 |
| PPP (D) | 8/7 – 8/9 | 9 | 19 | 6 | 12 | 11 | 3 |
| Gravis Marketing/One America News | 7/29 – 7/29 | 6 | 31 | 3 | 5 | 10 | 1 |
| NBC/Marist | 7/14 – 7/21 | 4 | 17 | 4 | 8 | 12 | 5 |
| Monmouth University | 7/16 – 7/19 | 7 | 13 | 5 | 8 | 7 | 5 |
| We Ask America/Monmouth College/KBUR | 6/27 – 6/29 | 8 | 7 | 9 | 5 | 12 | 10 |
| Quinnipiac | 6/20 – 6/29 | 9 | 10 | 7 | 10 | 8 | 9 |
| Advantage Inc. | 6/8 – 6/10 | 6 | 2 | 9 | 13 | 11 | 5 |
| Morning Consult | 5/31 – 6/8 | 4 | 5 | 7 | 5 | 10 | 10 |
| Des Moines Register/Bloomberg/Selzer | 5/25 – 5/29 | 5 | 4 | 6 | 10 | 9 | 10 |
| Quinnipiac | 4/25 – 5/4 | 12 | – | 13 | 7 | 5 | 13 |
| PPP (D) | 4/23 – 4/26 | 8 | – | 13 | 7 | 12 | 10 |
| Loras College | 4/21 – 4/23 | 7 | 3 | 10 | 6 | 10 | 6 |
| Burning Glass (R)/Partnership for a New American Economy | 4/9 – 4/15 | 9 | 2 | 6 | 8 | 7 | 10 |
| Gravis Marketing/TownHall.com | 4/13 – 4/13 | 6 | – | 12 | 9 | 16 | 9 |
| Opinion Savvy | 3/20 – 3/20 | 7 | 3 | 5 | 14 | 12 | 5 |
| Quinnipiac | 2/16 – 2/23 | 5 | – | 4 | 11 | 10 | 13 |
| Gravis Marketing/TownHall.com | 2/12 – 2/13 | 4 | – | 7 | 5 | 10 | 10 |
| NBC/Marist | 2/3 – 2/10 | 2 | – | 6 | 6 | 16 | 7 |
| Des Moines Register/Bloomberg/Selzer | 1/26 – 1/29 | 6 | 1 | 4 | 10 | 9 | 15 |
| Loras College | 1/21 – 1/26 | 5 | – | 4 | 13 | 13 | 7 |
| Gravis Marketing/TownHall.com | 1/5 – 1/7 | 7 | – | 4 | – | 14 | 8 |
| CNN | 9/8 – 9/10/14 | 4 | – | 5 | – | 6 | 7 |
| Suffolk/USA Today | 8/23 – 8/26/14 | 5 | – | 5 | – | 7 | 7 |
| NBC/Marist | 7/7 – 7/13/14 | 7 | – | 7 | – | 12 | 12 |
| Vox Populi (R) | 6/4 – 6/5/14 | 9 | – | 11 | – | 18 | 12 |
| PPP (D) | 5/15 – 5/19/14 | 15 | – | 4 | – | 12 | 10 |
| Vox Populi (R)/Daily Caller | 4/22 – 4/24/14 | 9 | – | 9 | – | 18 | 8 |
| Magellan (R-Liberty Foundation of America) | 4/14 – 4/15/14 | 10 | – | 2 | – | 17 | 11 |
| Loras College | 4/8 – 4/9/14 | 6 | – | 5 | – | 11 | 9 |
| Suffolk | 4/3 – 4/8/14 | 9 | – | 6 | 9 | 10 | 10 |
| Wilson Perkins Allen Opinion Research (R) | 3/30 – 3/30/14 | 7 | – | 3 | – | 7 | 10 |
| PPP (D) | 2/20 – 2/23/14 | 10 | – | 3 | – | 13 | 14 |
| Harper (R-Conservative Intelligence Briefing) | 11/23 – 11/24/13 | 16 | – | 6 | – | – | 13 |
| PPP (D) | 7/5 – 7/7/13 | 10 | – | 11 | – | 14 | 18 |
| PPP (D) | 2/1 – 2/3/13 | – | – | 16 | – | 14 | 15 |
| PPP (D) | 11/3 – 11/4/12 | – | – | 12 | – | 11 | 5 |
| POLLSTER | DATES | FIORINA | CHRISTIE | HUCKABEE | KASICH | SANTORUM |
| Quinnipiac NEW! | 12/4 – 12/13 | 3 | 3 | 1 | 1 | 0 |
| FOX | 12/7 – 12/10 | 2 | 2 | 1 | 1 | 0 |
| Loras College NEW! | 12/7 – 12/10 | 3 | 0 | 2 | 1 | 1 |
| Des Moines Register/Bloomberg/Selzer | 12/7 – 12/10 | 1 | 3 | 3 | 2 | 1 |
| Monmouth University | 12/3 – 12/6 | 3 | 2 | 2 | 3 | 1 |
| CNN | 11/28 – 12/6 | 3 | 2 | 2 | 1 | 1 |
| Quinnipiac | 11/16 – 11/22 | 3 | 2 | 2 | 1 | 2 |
| CBS/YouGov | 11/15 – 11/19 | 4 | 2 | 1 | 1 | 2 |
| Morning Consult/Campaign for Sustainable Rx Pricing | 11/10 – 11/16 | 4 | 3 | 2 | 1 | 1 |
| Iowa State/WHO-HD | 11/2 – 11/15 | 2 | 0 | 1 | 1 | 0 |
| CNN | 10/29 – 11/4 | 4 | 3 | 2 | 2 | 0 |
| PPP (D) | 10/30 – 11/1 | 5 | 3 | 6 | 2 | 2 |
| Gravis Marketing/One America News | 10/31 – 10/31 | 5 | 2 | 1 | 3 | 0 |
| Monmouth College/KBUR/Douglas Fulmer & Associates | 10/29 – 10/31 | 4 | 2 | 2 | 2 | 1 |
| Monmouth University | 10/22 – 10/25 | 5 | 1 | 2 | 2 | 1 |
| Loras College | 10/19 – 10/22 | 2 | 2 | 1 | 1 | 0 |
| CBS/YouGov | 10/15 – 10/22 | 3 | 1 | 2 | 2 | 2 |
| Quinnipiac | 10/14 – 10/20 | 5 | 1 | 2 | 3 | 1 |
| Des Moines Register/Bloomberg/Selzer | 10/16 – 10/19 | 4 | 1 | 3 | 2 | 2 |
| Basswood (R-Club for Growth Action) | 10/3 – 10/4 | 10 | 1 | 3 | 2 | 1 |
| NBC/WSJ/Marist | 9/23 – 9/30 | 8 | 4 | 5 | 3 | 1 |
| Gravis Marketing/One America News | 9/25 – 9/27 | 10 | 1 | 2 | 3 | 1 |
| PPP (D) | 9/18 – 9/20 | 13 | 1 | 6 | 2 | 1 |
| CBS/YouGov | 9/3 – 9/10 | 4 | 1 | 4 | 2 | 3 |
| Quinnipiac | 8/27 – 9/8 | 5 | 1 | 4 | 5 | 1 |
| NBC/Marist | 8/26 – 9/2 | 5 | 2 | 3 | 2 | 1 |
| Gravis Marketing | 8/29 – 8/31 | 5 | 2 | 3 | 1 | 1 |
| Monmouth University | 8/27 – 8/30 | 10 | 1 | 2 | 4 | 2 |
| Loras College | 8/24 – 8/27 | 5 | 2 | 4 | 3 | 1 |
| Des Moines Register/Bloomberg/Selzer | 8/23 – 8/26 | 5 | 2 | 4 | 2 | 1 |
| CNN | 8/7 – 8/11 | 7 | 3 | 7 | 2 | 1 |
| Suffolk/USA Today | 8/7 – 8/10 | 7 | 2 | 2 | 3 | 1 |
| PPP (D) | 8/7 – 8/9 | 10 | 1 | 6 | 3 | 2 |
| Gravis Marketing/One America News | 7/29 – 7/29 | 4 | 1 | 6 | 5 | 3 |
| NBC/Marist | 7/14 – 7/21 | 1 | 2 | 7 | 2 | 0 |
| Monmouth University | 7/16 – 7/19 | 3 | 1 | 6 | 2 | 3 |
| We Ask America/Monmouth College/KBUR | 6/27 – 6/29 | 3 | 5 | 10 | 1 | 4 |
| Quinnipiac | 6/20 – 6/29 | 3 | 1 | 5 | 2 | 4 |
| Advantage Inc. | 6/8 – 6/10 | 3 | 3 | 8 | 2 | 2 |
| Morning Consult | 5/31 – 6/8 | 2 | 6 | 10 | – | – |
| Des Moines Register/Bloomberg/Selzer | 5/25 – 5/29 | 2 | 4 | 9 | 2 | 6 |
| Quinnipiac | 4/25 – 5/4 | 2 | 3 | 11 | 2 | 2 |
| PPP (D) | 4/23 – 4/26 | – | 5 | 10 | – | – |
| Loras College | 4/21 – 4/23 | 1 | 5 | 9 | 1 | 4 |
| Burning Glass (R)/Partnership for a New American Economy | 4/9 – 4/15 | 1 | 2 | 11 | – | 4 |
| Gravis Marketing/TownHall.com | 4/13 – 4/13 | 3 | 5 | 8 | – | 2 |
| Opinion Savvy | 3/20 – 3/20 | – | 5 | 11 | – | – |
| Quinnipiac | 2/16 – 2/23 | – | 4 | 11 | 0 | 4 |
| Gravis Marketing/TownHall.com | 2/12 – 2/13 | 3 | 9 | 7 | – | 6 |
| NBC/Marist | 2/3 – 2/10 | – | 9 | 17 | – | 5 |
| Des Moines Register/Bloomberg/Selzer | 1/26 – 1/29 | 1 | 6 | 13 | 1 | 5 |
| Loras College | 1/21 – 1/26 | 1 | 5 | 14 | 1 | 4 |
| Gravis Marketing/TownHall.com | 1/5 – 1/7 | – | 5 | 9 | – | – |
| CNN | 9/8 – 9/10/14 | – | 6 | 21 | – | 3 |
| Suffolk/USA Today | 8/23 – 8/26/14 | – | 11 | 13 | 1 | 6 |
| NBC/Marist | 7/7 – 7/13/14 | – | 8 | – | – | 9 |
| Vox Populi (R) | 6/4 – 6/5/14 | – | 6 | 15 | – | – |
| PPP (D) | 5/15 – 5/19/14 | – | 9 | 20 | – | 3 |
| Vox Populi (R)/Daily Caller | 4/22 – 4/24/14 | – | 7 | 20 | – | – |
| Magellan (R-Liberty Foundation of America) | 4/14 – 4/15/14 | – | 14 | 17 | 5 | – |
| Loras College | 4/8 – 4/9/14 | – | 8 | 15 | 1 | 5 |
| Suffolk | 4/3 – 4/8/14 | – | 7 | 11 | – | 6 |
| Wilson Perkins Allen Opinion Research (R) | 3/30 – 3/30/14 | – | 6 | 14 | – | 5 |
| PPP (D) | 2/20 – 2/23/14 | – | 10 | 17 | – | – |
| Harper (R-Conservative Intelligence Briefing) | 11/23 – 11/24/13 | – | 17 | – | – | 11 |
| PPP (D) | 7/5 – 7/7/13 | – | 16 | – | – | 6 |
| PPP (D) | 2/1 – 2/3/13 | – | 12 | 16 | – | – |
| PPP (D) | 11/3 – 11/4/12 | – | 12 | 15 | – | 10 |
| POLLSTER | DATES | GILMORE | GRAHAM | JINDAL | PATAKI | PERRY | WALKER |
| Quinnipiac NEW! | 12/4 – 12/13 | – | 0 | – | 0 | – | – |
| FOX | 12/7 – 12/10 | 0 | 0 | – | 1 | – | – |
| Loras College NEW! | 12/7 – 12/10 | – | 0 | – | – | – | – |
| Des Moines Register/Bloomberg/Selzer | 12/7 – 12/10 | 0 | 0 | – | 0 | – | – |
| Monmouth University | 12/3 – 12/6 | 0 | 0 | – | 0 | – | – |
| CNN | 11/28 – 12/6 | 0 | 0 | – | 0 | – | – |
| Quinnipiac | 11/16 – 11/22 | – | 0 | – | 0 | – | – |
| CBS/YouGov | 11/15 – 11/19 | – | – | 2 | – | – | – |
| Morning Consult/Campaign for Sustainable Rx Pricing | 11/10 – 11/16 | – | 0 | 1 | – | – | – |
| Iowa State/WHO-HD | 11/2 – 11/15 | – | 0 | – | – | – | – |
| CNN | 10/29 – 11/4 | 0 | 2 | 4 | 0 | – | – |
| PPP (D) | 10/30 – 11/1 | 0 | 0 | 6 | 0 | – | – |
| Gravis Marketing/One America News | 10/31 – 10/31 | – | 0 | 2 | – | – | – |
| Monmouth College/KBUR/Douglas Fulmer & Associates | 10/29 – 10/31 | 0 | 0 | 1 | 0 | – | – |
| Monmouth University | 10/22 – 10/25 | 0 | 0 | 2 | 0 | – | – |
| Loras College | 10/19 – 10/22 | – | 0 | 5 | 0 | – | – |
| CBS/YouGov | 10/15 – 10/22 | 0 | 0 | 2 | 0 | – | – |
| Quinnipiac | 10/14 – 10/20 | – | – | 3 | – | – | – |
| Des Moines Register/Bloomberg/Selzer | 10/16 – 10/19 | 0 | 0 | 2 | 0 | – | – |
| Basswood (R-Club for Growth Action) | 10/3 – 10/4 | – | – | – | – | – | – |
| NBC/WSJ/Marist | 9/23 – 9/30 | 0 | 1 | 6 | 0 | – | – |
| Gravis Marketing/One America News | 9/25 – 9/27 | – | 2 | 2 | 0 | – | – |
| PPP (D) | 9/18 – 9/20 | 0 | 0 | 4 | 0 | – | 5 |
| CBS/YouGov | 9/3 – 9/10 | 1 | 0 | 2 | 0 | 0 | 5 |
| Quinnipiac | 8/27 – 9/8 | – | 1 | 2 | 0 | 1 | 3 |
| NBC/Marist | 8/26 – 9/2 | 0 | 0 | 4 | 0 | 0 | 5 |
| Gravis Marketing | 8/29 – 8/31 | – | 0 | 5 | 0 | 1 | 6 |
| Monmouth University | 8/27 – 8/30 | 0 | 0 | 1 | 0 | 1 | 7 |
| Loras College | 8/24 – 8/27 | – | 0 | 1 | 0 | 1 | 6 |
| Des Moines Register/Bloomberg/Selzer | 8/23 – 8/26 | 0 | 0 | 2 | 0 | 1 | 8 |
| CNN | 8/7 – 8/11 | 0 | 2 | 2 | 0 | 1 | 9 |
| Suffolk/USA Today | 8/7 – 8/10 | 0 | 0 | 1 | 0 | 1 | 12 |
| PPP (D) | 8/7 – 8/9 | 0 | 0 | 2 | 0 | 2 | 12 |
| Gravis Marketing/One America News | 7/29 – 7/29 | – | 1 | 7 | 1 | 2 | 15 |
| NBC/Marist | 7/14 – 7/21 | 0 | 1 | 1 | 0 | 3 | 19 |
| Monmouth University | 7/16 – 7/19 | 0 | 0 | 4 | 1 | 3 | 22 |
| We Ask America/Monmouth College/KBUR | 6/27 – 6/29 | – | 0 | 2 | 0 | 4 | 18 |
| Quinnipiac | 6/20 – 6/29 | – | 1 | 3 | 0 | 4 | 18 |
| Advantage Inc. | 6/8 – 6/10 | – | 2 | 2 | 1 | 7 | 19 |
| Morning Consult | 5/31 – 6/8 | – | – | – | – | – | 18 |
| Des Moines Register/Bloomberg/Selzer | 5/25 – 5/29 | – | 1 | 1 | 0 | 3 | 17 |
| Quinnipiac | 4/25 – 5/4 | – | 0 | 1 | – | 3 | 21 |
| PPP (D) | 4/23 – 4/26 | – | – | – | – | 4 | 23 |
| Loras College | 4/21 – 4/23 | – | 0 | 1 | – | 3 | 13 |
| Burning Glass (R)/Partnership for a New American Economy | 4/9 – 4/15 | – | 0 | 1 | – | 2 | 20 |
| Gravis Marketing/TownHall.com | 4/13 – 4/13 | – | – | – | – | – | 13 |
| Opinion Savvy | 3/20 – 3/20 | – | – | – | – | – | 29 |
| Quinnipiac | 2/16 – 2/23 | – | – | 2 | – | 3 | 25 |
| Gravis Marketing/TownHall.com | 2/12 – 2/13 | – | – | – | – | – | 24 |
| NBC/Marist | 2/3 – 2/10 | – | 1 | – | – | 4 | 15 |
| Des Moines Register/Bloomberg/Selzer | 1/26 – 1/29 | – | – | 2 | – | 3 | 16 |
| Loras College | 1/21 – 1/26 | – | 1 | 2 | – | 3 | 10 |
| Gravis Marketing/TownHall.com | 1/5 – 1/7 | – | – | – | – | – | 10 |
| CNN | 9/8 – 9/10/14 | – | – | 4 | – | 5 | 5 |
| Suffolk/USA Today | 8/23 – 8/26/14 | – | – | 3 | – | 9 | 4 |
| NBC/Marist | 7/7 – 7/13/14 | – | – | 1 | – | 7 | 5 |
| Vox Populi (R) | 6/4 – 6/5/14 | – | – | – | – | – | 6 |
| PPP (D) | 5/15 – 5/19/14 | – | – | – | – | – | 6 |
| Vox Populi (R)/Daily Caller | 4/22 – 4/24/14 | – | – | – | – | – | 6 |
| Magellan (R-Liberty Foundation of America) | 4/14 – 4/15/14 | – | – | – | – | – | 8 |
| Loras College | 4/8 – 4/9/14 | – | – | – | – | 3 | 5 |
| Suffolk | 4/3 – 4/8/14 | – | – | 3 | – | 3 | 6 |
| Wilson Perkins Allen Opinion Research (R) | 3/30 – 3/30/14 | – | – | 2 | – | 3 | 8 |
| PPP (D) | 2/20 – 2/23/14 | – | – | 7 | – | – | 7 |
| Harper (R-Conservative Intelligence Briefing) | 11/23 – 11/24/13 | – | – | 3 | – | – | 7 |
| PPP (D) | 7/5 – 7/7/13 | – | – | 2 | – | – | – |
| PPP (D) | 2/1 – 2/3/13 | – | – | 3 | – | 3 | – |
| PPP (D) | 11/3 – 11/4/12 | – | – | – | – | – |
src:elections.huffingtonpost.com