# Nationwide opinion polling for the 2016 Republican Party presidential primaries

2016 U.S. presidential election :
Timeline
General election debates
Parties
Polling
national
statewide
by demographics
international
Newspaper endorsements
primary
general
Russian interference
Russia investigation origins counter-narrative
Media coverage
Social media
International reactions
Electors
Recounts
Faithless electors
Vote count :
Republican Party :
Primaries
Candidates
Debates and forums
Polling
national
statewide
straw polls
Endorsements
Results
Nominee
VP candidate selection
Convention :
Democratic Party :
Primaries
Candidates
Debates and forums
Polling
national
statewide
straw polls
Endorsements
Results
Nominee
VP candidate selection
Convention
superdelegates :
Third parties :
Third-party and independent candidates
Libertarian Party
primaries
debates
nominee
convention
Green Party
primaries
debates
nominee
convention
Constitution Party
primaries
nominee
Reform Party
primaries
nominee
American Solidarity Party
Maturen
Independents
McMullin :
Related races :
House
Senate
Governors :
| ← 2012 | 2016 | 2020 → |
vte :
This is a list of nationwide public opinion polls that were conducted relating to the Republican primaries for the 2016 United States presidential election. The persons named in the polls were either declared candidates, former candidates, or received media speculation about their possible candidacy. On May 4, 2016, Donald Trump became the sole contender and presumptive nominee.

## Aggregate polling

| Poll source | Date(s) included or updated | Ted Cruz | John Kasich | Donald Trump | Others |
| HuffPost Pollster Model | Updated May 8, 2016 | 23.4% | 13.7% | 56.5% | Undecided 5.0% Other 2.7% |
| FiveThirtyEight Average | Updated May 1, 2016 | 28.8% | 18.2% | 43.9% | |
| 270 to Win Average | April 12 – May 1, 2016 | 27.0% | 18.0% | 46.5% | |
| RealClear Politics Average | April 12 – May 1, 2016 | 27.0% | 18.0% | 46.5% | |

## Individual polls
### Polls conducted in 2016

| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Ted Cruz | John Kasich | Marco Rubio | Donald Trump | Others |
| NBC News/SurveyMonkey | 3389 | ± 2.3% | May 2–8, 2016 | | | 21% | 13% | | 60% | 6% |
| Ipsos/Reuters | 423 | ± 5.3% | April 30 – May 4, 2016 | | | 27% | 17% | | 55% | 2% |
| Morning Consult | 723 | ± 2.0% | April 29 – May 2, 2016 | | | 20% | 13% | | 56% | 11% |
| CNN/ORC | 406 | ± 5.0% | April 28 – May 1, 2016 | | | 25% | 19% | | 49% | 4% |
| NBC News/SurveyMonkey | 3479 | ± 2.2% | April 25 – May 1, 2016 | | | 22% | 14% | | 56% | 7% |
| Morning Consult | 757 | ± 2.0% | April 26–29, 2016 | | | 27% | 12% | | 48% | 13% |
| IBD/TIPP | 354 | ± 5.0% | April 22–29, 2016 | | | 29% | 16% | | 48% | 9% |
| Ipsos/Reuters | 762 | ± 4% | April 23–27, 2016 | | | 28% | 17% | | 49% | 5% |
| YouGov/Economist | 499 | ± 2.8% | April 22–26, 2016 | | | 28% | 19% | | 49% | 4% |
| Suffolk University/USA Today | 292 | ± 5.7% | April 20–24, 2016 | | | 29% | 17% | | 45% | 9% |
| NBC News/SurveyMonkey | 2633 | ± 2.6% | April 18–24, 2016 | | | 26% | 17% | | 50% | 7% |
| Ipsos/Reuters | 546 | ± 4.8% | April 16–20, 2016 | | | 31% | 16% | | 49% | 4% |
| Pew Research | 740 | ± % | April 12–19, 2016 | | | 25% | 20% | | 44% | 3% |
| Morning Consult | 780 | ± 2.0% | April 15–17, 2016 | | | 26% | 13% | | 46% | 15% |
| NBC News/SurveyMonkey | 3333 | ± 2.3% | April 11–17, 2016 | | | 28% | 19% | | 46% | 7% |
| NBC News/Wall Street Journal | 310 | ± 5.57% | April 10–14, 2016 | | | 35% | 24% | | 40% | 1% |
| Fox News | 419 | ± 4.5% | April 11–13, 2016 | | | 27% | 25% | | 45% | 2% |
| Ipsos/Reuters | 622 | ± 4.5% | April 9–13, 2016 | | | 32% | 21% | | 44% | 4% |
| CBS News | 399 | ± 6% | April 8–12, 2016 | | | 29% | 18% | | 42% | 10% |
| YouGov/Economist | 502 | ± 2.8% | April 8–11, 2016 | | | 25% | 18% | | 53% | 4% |
| NBC News/SurveyMonkey | 3225 | ± 2.3% | April 4–10, 2016 | | | 30% | 16% | | 46% | 8% |
| Ipsos/Reuters | 584 | ± 4.6% | April 2–6, 2016 | | | 38% | 19% | | 39% | 3% |
| Morning Consult | 770 | ± 2.0% | April 1–3, 2016 | | | 27% | 14% | | 45% | 14% |
| Public Religion Research Institute/The Atlantic | 785 | ± 2.5% | March 30 – April 3, 2016 | | | 32% | 21% | | 36% | 10% |
| NBC News/SurveyMonkey | 3353 | ± 2.2% | March 28 – April 3, 2016 | | | 28% | 18% | | 45% | 9% |
| IBD/TIPP | 388 | ± 5.1% | March 28 – April 2, 2016 | | | 31% | 19% | | 38% | 11% |
| McClatchy/Marist | 444 | ± 4.7% | March 29–31, 2016 | | | 35% | 20% | | 40% | 4% |
| Ipsos/Reuters | 665 | ± 4.3% | March 27–31, 2016 | | | 33% | 19% | | 44% | 5% |
| YouGov/Economist | 525 | ± 2.8% | March 26–29, 2016 | | | 29% | 18% | | 48% | 5% |
| NBC News/SurveyMonkey | 1611 | ± 3.4% | March 21–27, 2016 | | | 27% | 18% | | 48% | 7% |
| Pew Research Center | 834 | ± 2.4% | March 17–27, 2016 | | | 32% | 20% | | 41% | 1% |
| Public Policy Polling | 505 | ± 4.4% | March 24–26, 2016 | | | 32% | 22% | | 42% | 4% |
| Morning Consult | 803 | ± 2.0% | March 24–26, 2016 | | | 28% | 10% | | 49% | 13% |
| Ipsos/Reuters | 583 | ± 4.6% | March 19–23, 2016 | | | 28% | 20% | | 45% | 7% |
| Mclaughin | 436 | ± 3.1% | March 17–23, 2016 | | | 28% | 16% | | 45% | 10% |
| Fox News | 388 | ± 5.0% | March 20–22, 2016 | | | 38% | 17% | | 41% | 4% |
| Bloomberg/Selzer | 366 | ± 5.1% | March 19–22, 2016 | | | 31% | 25% | | 40% | 5% |
| Morning Consult | 754 | ± 2.0% | March 18–21, 2016 | | | 26% | 13% | | 45% | 16% |
| Quinnipiac | 652 | ± 3.8% | March 16–21, 2016 | | | 29% | 16% | | 43% | 12% |
| Monmouth University | 353 | ± 5.2% | March 17–20, 2016 | | | 29% | 18% | | 41% | 6% |
| CNN/ORC | 397 | ± 5.0% | March 17–20, 2016 | | | 31% | 17% | | 47% | 4% |
| CBS News/New York Times | 362 | ± 6.0% | March 17–20, 2016 | | | 26% | 20% | | 46% | 4% |
| Morning Consult | 758 | ± 2.0% | March 16–18, 2016 | | | 27% | 14% | | 43% | 17% |
| Rasmussen | 719 | ± 4.0% | March 16–17, 2016 | | | 28% | 21% | | 43% | 8% |
| NBC News/SurveyMonkey | 3489 | ± 2.5% | March 14–20, 2016 | | | 24% | 16% | 6% | 45% | 8% |
| Ipsos/Reuters | 605 | ± 4.4% | March 12–16, 2016 | | | 24% | 9% | 13% | 46% | 7% |
| Morning Consult | 1516 | ± 2.0% | March 11–13, 2016 | | | 23% | 9% | 12% | 42% | 14% |
| NBC News/SurveyMonkey | 2280 | ± 3.1% | March 7–13, 2016 | | | 24% | 12% | 11% | 44% | 8% |
| YouGov/Economist | 400 | ± 2.9% | March 10–12, 2016 | | | 22% | 11% | 10% | 53% | 4% |
| Ipsos/Reuters | 639 | ± 4.3% | March 5–9, 2016 | | | 24% | 13% | 13% | 41% | 5% |
| Morning Consult | 781 | ± 2.0% | March 4–6, 2016 | | | 23% | 10% | 14% | 40% | 13% |
| NBC News/Wall Street Journal | 397 | ± 4.9% | March 3–6, 2016 | | | 27% | 22% | 20% | 30% | 1% |
| ABC News/Washington Post | 400 | ± 5.5% | March 3–6, 2016 | | | 25% | 13% | 18% | 34% | 9% |
| Super Tuesday |||||||||||
| NBC News/SurveyMonkey | 6,481 | ± 2.1% | February 29 – March 6, 2016 | | 8% | 20% | 9% | 18% | 39% | 6% |
| Ipsos/Reuters | 542 | ± 4.6% | February 27 – March 2, 2016 | | 10% | 16% | 10% | 20% | 41% | 4% |
| NBC News/SurveyMonkey | 8,759 | ± 1.8% | February 22–28, 2016 | | 8% | 18% | 7% | 21% | 40% | 6% |
| Morning Consult | 777 | ± 2% | February 26–27, 2016 | | 9% | 15% | 5% | 14% | 44% | 12% |
| CNN/ORC | 427 | ± 5% | February 24–27, 2016 | | 10% | 15% | 6% | 16% | 49% | 4% |
| YouGov/Economist | 456 | ± ?% | February 24–27, 2016 | | 7% | 21% | 8% | 17% | 44% | 3% |
| SurveyMonkey | 1,946 | ± 3.5% | February 24–25, 2016 | | 8% | 19% | 8% | 21% | 39% | 6% |
| Morning Consult | 1430 | ± 2.6% | February 24–25, 2016 | | 9% | 14% | 5% | 19% | 42% | 11% |
| IBD/TIPP Poll | 400 | ± 5% | February 19–24, 2016 | | 8% | 20% | 7% | 18% | 31% | |
| Rasmussen Reports/Pulse Opinion Research | 697 | ± 4% | February 21–22, 2016 | | 8% | 17% | 12% | 21% | 36% | |
| South Carolina primary |||||||||||
| Ipsos/Reuters | 553 | ± 4.8% | February 20–24, 2016 | 3% | 8% | 22% | 8% | 13% | 42% | 4% |
| NBC News/SurveyMonkey | 3368 | ± 2.4% | February 15–21, 2016 | 4% | 8% | 19% | 8% | 16% | 36% | 8% |
| Fox News | 404 | ± 4.5% | February 15–17, 2016 | 9% | 9% | 19% | 8% | 15% | 36% | 4% |
| Ipsos/Reuters | 517 | ± 4.9% | February 13–17, 2016 | 9% | 10% | 17% | 9% | 11% | 40% | 5% |
| Morning Consult | 662 | ±?% | February 15–16, 2016 | 7% | 11% | 12% | 3% | 14% | 41% | 12% |
| NBC News/Wall Street Journal | 400 | ± 4.9% | February 14–16, 2016 | 4% | 10% | 28% | 11% | 17% | 26% | 4% |
| CBS News/New York Times | 581 | ± 5.0% | February 12–16, 2016 | 4% | 6% | 18% | 11% | 12% | 35% | 6% |
| Robert Morris | 259 | ± 3.0% | February 11–16, 2016 | 5.8% | 12.4% | 18.5% | 3.9% | 14.3% | 37.8% | 7.3% |
| YouGov/Economist | 472 | ± ?% | February 11–15, 2016 | 6% | 7% | 19% | 11% | 16% | 39% | 2% |
| USA Today/Suffolk University | 358 | ± 5.2% | February 11–15, 2016 | 6% | 4% | 20% | 7% | 17% | 35% | 12% |
| Quinnipiac | 602 | ± 4% | February 10–15, 2016 | 4% | 4% | 18% | 6% | 19% | 39% | 10% |
| Morning Consult | 710 | ± 3.7% | February 10–11, 2016 | 8% | 10% | 17% | 4% | 10% | 44% | 6% |
| New Hampshire primary |||||||||||
| NBC News/SurveyMonkey | 3411 | ± 1.1% | February 8–14, 2016 | 4% | 8% | 18% | 7% | 14% | 38% | 10% |
| Ipsos/Reuters | 513 | ± 4.7% | February 6–10, 2016 | 7% | 11% | 23% | 2% | 14% | 35% | 9% |
| Morning Consult | 4287 | ± 1% | February 3–7, 2016 | 6% | 9% | 17% | 2% | 15% | 38% | 14% |
| Rasmussen | 725 | ± 4% | February 3–4, 2016 | 4% | 5% | 20% | 6% | 21% | 31% | 12% |
| Quinnipiac University | 507 | ± 4.4% | February 2–4, 2016 | 3% | 6% | 22% | 3% | 19% | 31% | 16% |
| Public Policy Polling | 531 | ± 4.3% | February 2–3, 2016 | 5% | 11% | 21% | 5% | 21% | 25% | 14% |
| Morning Consult | 641 | ± 3.9% | February 2–3, 2016 | 5% | 9% | 14% | 2% | 12% | 38% | 13% |
| NBC News/SurveyMonkey | 2887 | ± 2.7% | February 1–7, 2016 | 3% | 7% | 20% | 3% | 17% | 35% | 13% |
| February 1: Iowa caucuses |||||||||||
| Ipsos/Reuters | 631 | ± 4.4% | January 30–February 3, 2016 | 7% | 8% | 16% | 3% | 14% | 36% | 15% |
| Morning Consult | 1491 | ± 2.5% | January 29–February 1, 2016 | 7% | 9% | 12% | 2% | 8% | 41% | 21% |
| NBC News/SurveyMonkey | 3057 | ± 2.6% | January 25–31, 2016 | 3% | 7% | 20% | 3% | 12% | 39% | 17% |
| YouGov/Economist | 481 | ± 2.0% | January 27–30, 2016 | 4% | 4% | 18% | 5% | 14% | 43% | 12% |
| IBD/TIPP | 395 | ± 5.0% | January 22–27, 2016 | 5% | 9% | 21% | 2% | 10% | 31% | 23% |
| Bloomberg/Purple Strategies | 1020 | ± 3.1% | January 22–26, 2016 | 7% | 9% | 12% | 4% | 14% | 34% | 21% |
| Morning Consult | 1552 | ± 2.0% | January 21–24, 2016 | 7% | 10% | 11% | 2% | 9% | 40% | 17% |
| CNN/ORC | 405 | ± 3.0% | January 21–24, 2016 | 5% | 6% | 19% | 1% | 8% | 41% | 12% |
| ABC News/Washington Post | 356 | ± 3.5% | January 21–24, 2016 | 5% | 7% | 21% | 2% | 11% | 37% | 17% |
| Public Religion Research Institute | 381 | ± 3.6% | January 20–24, 2016 | 5% | 14% | 14% | 3% | 9% | 31% | 24% |
| NBC News/SurveyMonkey | 2327 | ± 1.3% | January 18–24, 2016 | 4% | 8% | 17% | 3% | 10% | 39% | 19% |
| Fox News | 405 | ± 3.0% | January 18–21, 2016 | 4% | 8% | 20% | 4% | 11% | 34% | 17% |
| Zogby | 294 | ± 5.8% | January 19–20, 2016 | 6% | 4% | 13% | 3% | 8% | 45% | 21% |
| Ipsos/Reuters | 588 | ± 2.8% | January 16–20, 2016 | 10% | 11% | 12% | 2% | 8% | 36% | 20% |
| YouGov/Economist | 476 | ± 2.9% | January 15–19, 2016 | 3% | 7% | 19% | 2% | 14% | 38% | 16% |
| Monmouth University | 385 | ± 5.0% | January 15–18, 2016 | 5% | 8% | 17% | 3% | 11% | 36% | 20% |
| Morning Consult | 1635 | ± 2.0% | January 14–17, 2016 | 7% | 8% | 13% | 2% | 9% | 39% | 23% |
| NBC/SurveyMonkey | 3342 | ± 2.3% | January 11–17, 2016 | 4% | 8% | 21% | 2% | 11% | 38% | 17% |
| NBC News/Wall Street Journal | 400 | ± 4.9% | January 9–13, 2016 | 5% | 12% | 20% | 3% | 13% | 33% | 14% |
| Ipsos/Reuters | 575 | ± 2.8% | January 9–13, 2016 | 10% | 11% | 14% | 2% | 6% | 38% | 19% |
| YouGov/Economist | 552 | ± 4.6% | January 9–11, 2016 | 5% | 6% | 20% | 3% | 11% | 36% | 20% |
| Morning Consult | 878 | ± 2.0% | January 8–10, 2016 | 5% | 12% | 10% | 2% | 9% | 42% | 20% |
| CBS News/New York Times | 442 | N/A | January 7–10, 2016 | 6% | 6% | 19% | 2% | 12% | 36% | 18% |
| NBC/SurveyMonkey | 2825 | ± 1.2% | January 4–10, 2016 | 3% | 9% | 20% | 2% | 11% | 38% | 15% |
| IBD/TIPP | 389 | ± 4% | January 4–8, 2016 | 4% | 8% | 18% | 2% | 9% | 34% | 21% |
| Fox News | 423 | ± 4.5% | January 4–7, 2016 | 4% | 10% | 20% | 2% | 13% | 35% | 16% |
| Ipsos/Reuters | 634 | ± 4.4% | January 2–6, 2016 | 8% | 11% | 14% | 1% | 8% | 42% | 16% |
| YouGov/Economist | 469 | ± 4% | December 31, 2015 – January 6, 2016 | 4% | 6% | 19% | 4% | 13% | 36% | 17% |
| NBC/SurveyMonkey | 949 | ± 1.9% | December 26, 2015 – January 3, 2016 | 6% | 9% | 18% | 2% | 13% | 35% | 19% |
* ↑ Named candidates are listed in footnotes; remainder is the combined total of "someone else," undecided, or none of the above.
* ↑ Jim Gilmore with 1%
* ↑ Chris Christie with 2% and Carly Fiorina with 1%
* ↑ Chris Christie and Carly Fiorina with 3% each
* ↑ Chris Christie with 3% and Carly Fiorina with 2%.
* ↑ Chris Christie and Carly Fiorina with 3% each
* ↑ Chris Christie with 3% and Carly Fiorina with 2%.
* ↑ Chris Christie and Carly Fiorina with 3% each, Rick Santorum with 1%.
* ↑ Chris Christie with 3%, Carly Fiorina and Rand Paul with 2% each.
* ↑ Rand Paul with 5%, Chris Christie and Carly Fiorina with 3% each, Jim Gilmore with 1%, Rick Santorum with 0%.
* ↑ Chris Christie with 5%, Mike Huckabee, Carly Fiorina, and Rand Paul with 2% each, Jim Gilmore and Rick Santorum with 0% each.
* ↑ Chris Christie, Mike Huckabee, and Rand Paul with 3% each; Carly Fiorina, Jim Gilmore, and Rick Santorum with 1% each.
* ↑ Chris Christie and Rand Paul with 3% each, Carly Fiorina and Mike Huckabee with 2%, Rick Santorum with 1%, Jim Gilmore with 0%.
* ↑ Rand Paul with 4%, Chris Christie, Carly Fiorina, and Mike Huckabee with 2% each; Jim Gilmore and Rick Santorum with 1% each.
* ↑ Rand Paul with 4%, Carly Fiorina with 2%, Chris Christie, Mike Huckabee, and Rick Santorum with 1% each, Jim Gilmore with 0%.
* ↑ Mike Huckabee and Rand Paul with 3% each, Chris Christie and Carly Fiorina with 2% each, Rick Santorum with 1%, Jim Gilmore with 0%.
* ↑ Chris Christie and Mike Huckabee with 3% each, Rand Paul with 2%, Carly Fiorina and Rick Santorum with 1% each.
* ↑ Chris Christie with 4%, Mike Huckabee and Rand Paul with 3% each, Carly Fiorina with 2%.
* ↑ Chris Christie with 4%, Carly Fiorina with 3%, Mike Huckabee with 2%, Rand Paul with 1%, Rick Santorum with 0%.
* ↑ Rand Paul with 3%, Chris Christie and Carly Fiorina with 2% each, Mike Huckabee with 1%.
* ↑ Chris Christie and Rand Paul with 3% each, Carly Fiorina with 2%, Mike Huckabee with 1%, Jim Gilmore and Rick Santorum with 0%.
* ↑ Chris Christie with 3%, Mike Huckabee and Rand Paul with 2% each, Carly Fiorina and Jim Gilmore with 1% each, Rick Santorum with <1%.
* ↑ Carly Fiorina with 3%, Chris Christie, Mike Huckabee, Rand Paul, and Rick Santorum with 2% each, Jim Gilmore with 0%.
* ↑ Chris Christie and Rand Paul with 4% each, Carly Fiorina with 3%, Mike Huckabee with 2%, Jim Gilmore with 1%, Rick Santorum with 0%.
* ↑ Rand Paul with 4%, Chris Christie with 3%, Carly Fiorina and Mike Huckabee with 2% each, Rick Santorum with 1%, Jim Gilmore with 0%.
* ↑ Chris Christie and Mike Huckabee with 3% each, Rand Paul with 2%, Carly Fiorina and Rick Santorum with 1% each, Jim Gilmore with 0%.
* ↑ Chris Christie, Mike Huckabee, and Rand Paul with 3% each, Carly Fiorina with 2%, Rick Santorum with 1%.
* ↑ Chris Christie, Carly Fiorina, and Rand Paul with 3% each, Mike Huckabee with 2%, Jim Gilmore and Rick Santorum with 0%.
* ↑ Chris Christie with 5%, Carly Fiorina and Rand Paul with 3% each, Mike Huckabee with 1%.
* ↑ Chris Christie with 4%, Carly Fiorina, Mike Huckabee, and Rand Paul with 3% each, Rick Santorum with 1%, Jim Gilmore with 0%.
* ↑ Chris Christie with 4%, Carly Fiorina, Mike Huckabee, and Rand Paul with 3% each, Rick Santorum with 2%, Jim Gilmore with 0%.
* ↑ Chris Christie with 4%, Rand Paul with 3%, Mike Huckabee with 2%, Carly Fiorina with 1%, Rick Santorum with 0%.
* ↑ Mike Huckabee with 4%, Chris Christie and Carly Fiorina with 3% each, Rand Paul with 1%, Rick Santorum with 0%.
* ↑ Chris Christie and Rand Paul with 3% each, Carly Fiorina and Mike Huckabee with 2% each, Jim Gilmore and Rick Santorum with 0%.
* ↑ Chris Christie with 4%, Rand Paul with 3%, Carly Fiorina with 2%, Mike Huckabee with 1%.
* ↑ Carly Fiorina with 3%, Chris Christie and Rand Paul with 2% each, Mike Huckabee with 1%, Jim Gilmore and Rick Santorum with 0%.
* ↑ Chris Christie and Rand Paul with 3% each, Mike Huckabee with 2%, Carly Fiorina with 1%, Jim Gilmore and Rick Santorum with 0%.
* ↑ Rand Paul with 5%, Chris Christie with 4%, Carly Fiorina with 3%, Mike Huckabee with 2%, Rick Santorum with 1%, Jim Gilmore with 0%.
* ↑ Chris Christie with 4%, Carly Fiorina with 3%, Mike Huckabee and Rand Paul with 2% each, Rick Santorum with 1%, Jim Gilmore with 0%.

### Polls conducted in 2015

| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Carly Fiorina | Jim Gilmore | Mike Huckabee | John Kasich | George Pataki | Rand Paul | Marco Rubio | Rick Santorum | Donald Trump | Others |
| Ipsos/Reuters | 722 | ± 2.5% | December 26–30, 2015 | 6% | 12% | 2% | 14% | 1% | 0% | 2% | 1% | 0% | 3% | 12% | 1% | 39% | Wouldn't vote 6% |
| Ipsos/Reuters | 626 | ± 4.5% | December 19–23, 2015 | 7% | 10% | 3% | 13% | 2% | 0% | 3% | 2% | 0% | 2% | 9% | 3% | 39% | Wouldn't vote 6% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Carly Fiorina | Jim Gilmore | Lindsey Graham | Mike Huckabee | John Kasich | George Pataki | Rand Paul | Marco Rubio | Rick Santorum | Donald Trump | Others |
| YouGov/Economist | 475 | ± 4.5% | December 18–21, 2015 | 5% | 7% | 3% | 19% | 3% | 0% | 0% | 1% | 3% | 0% | 6% | 14% | 1% | 35% | Others 1% No Preference 2% |
| CNN/ORC | 438 | ± 4.5% | December 17–21, 2015 | 3% | 10% | 5% | 18% | 1% | 0% | 1% | 2% | 2% | 0% | 4% | 10% | 0% | 39% | Undecided/Someone Else 5% |
| Emerson College | 415 | ± 3.5% | December 17–20, 2015 | 6% | 7% | 6% | 21% | 5% | — | 0% | 1% | 3% | — | 1% | 13% | — | 36% | Undecided 1% Other 1% |
| Quinnipiac | 508 | ± 4.4% | December 16–20, 2015 | 4% | 10% | 6% | 24% | 2% | 0% | 0% | 1% | 1% | 0% | 2% | 12% | 1% | 28% | Someone Else 0%Wouldn't Vote 0%DK/NA 8% |
| Fox News | 402 | ± 3.0% | December 16–17, 2015 | 3% | 9% | 3% | 18% | 3% | 0% | 0% | 1% | 2% | 0% | 3% | 11% | 1% | 39% | Other 0% Someone else 1%Don't Know 6% |
| Public Policy Polling | 532 | ± 4.3% | December 16–17, 2015 | 7% | 6% | 5% | 18% | 4% | 0% | 1% | 4% | 2% | 0% | 2% | 13% | 1% | 34% | Undecided 2% |
| Morning Consult | 861 | ± 3.0% | December 16–17, 2015 | 7% | 12% | 2% | 11% | 2% | — | — | — | — | — | 3% | 9% | — | 36% | Someone else 7%Don't Know 11% |
| Ipsos/Reuters | 730 | ± 2.5% | December 12–16, 2015 | 7% | 11% | 3% | 14% | 3% | 0% | 1% | 5% | 2% | 0% | 3% | 10% | 0% | 36% | Wouldn't vote 6% |
| Morning Consult | 1530 | ± 2.0% | December 11–15, 2015 | 7% | 10% | 3% | 9% | 3% | — | 1% | 3% | 2% | 1% | 3% | 7% | 1% | 40% | Someone Else 1%Don't Know 11% |
| ABC/Washington Post | 362 | ± 3.5% | December 10–13, 2015 | 5% | 12% | 4% | 15% | 1% | — | 1% | 1% | 2% | 0% | 2% | 12% | 0% | 38% | Other 2% None of these 2%Would not vote 0% No Opinion4% |
| Monmouth University | 385 | ± 5.0% | December 10–13, 2015 | 3% | 9% | 2% | 14% | 2% | 0% | 1% | 2% | 3% | 1% | 2% | 10% | 0% | 41% | Other 0% No One 2% Undecided 6% |
| NBC News/Wall Street Journal | 400 | ± 4.9% | December 6–9, 2015 | 7% | 11% | 3% | 22% | 5% | — | — | 3% | 2% | — | 2% | 15% | — | 27% | Other 0% None 0% Not Sure3% |
| Ipsos/Reuters | 494 | ± 3.0% | December 5–9, 2015 | 5% | 13% | 4% | 11% | 2% | 0% | 2% | 2% | 2% | 1% | 1% | 12% | 1% | 37% | Wouldn't vote 6% |
| YouGov/Economist | 455 | ± 3.0% | December 4–9, 2015 | 5% | 8% | 4% | 13% | 2% | 0% | 1% | 3% | 2% | 0% | 4% | 18% | 1% | 35% | Other 1% No Preference 2% |
| CBS/New York Times | 431 | ± 6.0% | December 4–8, 2015 | 3% | 13% | 3% | 16% | 1% | 0% | 0% | 3% | 3% | 0% | 4% | 9% | 0% | 35% | Someone Else 0% None of Them 2%Don't Know/No Answer 7% |
| Zogby | 271 | ± 6.0% | December 7, 2015 | 7% | 13% | 4% | 8% | 3% | — | — | 1% | 1% | 1% | 1% | 12% | — | 38% | Not sure 10% Someone else 2% |
| Morning Consult | 865 | ± 2.0% | December 3–7, 2015 | 5% | 12% | 3% | 7% | 2% | 1% | 1% | 3% | 2% | 1% | 2% | 10% | 0% | 41% | Don't know 9% Someone else 1% |
| Public Religion Research Institute | 376 | ± 3.7% | December 2–6, 2015 | 10% | 16% | 3% | 10% | 2% | — | — | 1% | 2% | — | 4% | 12% | 0% | 24% | Other 3%Don't Know/Refused 14% |
| Suffolk/USA Today | 357 | ± 5.2% | December 2–6, 2015 | 4% | 10% | 2% | 17% | 1% | — | — | 1% | 2% | — | 2% | 16% | 1% | 27% | Other 1% |
| Ipsos/Reuters | 770 | ± 4.0% | November 30 –December 4, 2015 | 10% | 14% | 3% | 8% | 3% | 1% | 0% | 2% | 2% | 0% | 4% | 13% | 0% | 35% | Wouldn't vote 4% |
| IBD/TIPP | 901 | ± 3.3% | November 30 –December 4, 2015 | 3% | 15% | 2% | 13% | 3% | 0% | 0% | 2% | 2% | 0% | 2% | 14% | 0% | 27% | |
| Ipsos/Reuters | 351 | ± 6.0% | November 28 –December 2, 2015 | 11% | 17% | 2% | 11% | 2% | 0% | 0% | 2% | 1% | 0% | 4% | 7% | 0% | 36% | Wouldn't vote 6% |
| CNN/ORC | 1020 | ± 3.0% | November 27 –December 1, 2015 | 3% | 14% | 4% | 16% | 3% | 0% | 0% | 2% | 2% | 0% | 1% | 12% | 0% | 36% | Someone else 1% None 4% No opinion 2% |
| Quinnipiac | 672 | ± 3.8% | November 23–30, 2015 | 5% | 16% | 2% | 16% | 3% | 0% | 0% | 1% | 2% | 0% | 2% | 17% | 0% | 27% | Wouldn't vote 1%DK/NA 8% |
| Ipsos/Reuters | 352 | ± 6.0% | November 21–25, 2015 | 6% | 9% | 4% | 11% | 3% | 3% | 0% | 3% | 3% | 2% | 2% | 10% | 0% | 37% | Wouldn't vote 6% |
| YouGov/Economist | 600 | ± 3.1% | November 19–23, 2015 | 6% | 10% | 3% | 12% | 4% | 0% | 1% | 2% | 4% | 0% | 4% | 14% | 0% | 36% | Undecided 3% |
| Ipsos/Reuters | 936 | ± 3.5% | November 20, 2015 | 6% | 15% | 3% | 7% | 2% | 1% | 1% | 3% | 3% | 0% | 4% | 10% | 1% | 39% | Wouldn't vote 6% |
| Fox News | 434 | ± 4.5% | November 16–19, 2015 | 5% | 18% | 3% | 14% | 3% | 0% | <1% | 3% | 2% | 1% | 2% | 14% | 0% | 28% | Other 1% None of the above 1%Don't know 5% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Carly Fiorina | Jim Gilmore | Lindsey Graham | Mike Huckabee | Bobby Jindal | John Kasich | George Pataki | Rand Paul | Marco Rubio | Rick Santorum | Donald Trump | Others |
| ABC/Washington Post | 373 | ± 6.0% | November 16–19, 2015 | 6% | 22% | 2% | 8% | 4% | — | 1% | 3% | <1% | 3% | <1% | 3% | 11% | 1% | 32% | Other 5% |
| Ipsos/Reuters | 1299 | ± 3.1% | November 14–18, 2015 | 6% | 14% | 3% | 8% | 3% | 0% | 0% | 3% | 1% | 2% | 0% | 5% | 11% | 1% | 37% | Wouldn't vote 6% |
| Public Policy Polling | 607 | ± 2.7% | November 16–17, 2015 | 5% | 19% | 3% | 14% | 4% | 0% | 1% | 4% | 0% | 3% | 1% | 2% | 13% | 0% | 26% | Undecided 2% |
| Bloomberg/Selzer | 379 | ± 3.1% | November 15–17, 2015 | 6% | 20% | 4% | 9% | 3% | — | 1% | 3% | — | 3% | 1% | 3% | 12% | 1% | 24% | Not Sure 1% Uncommitted 5% |
| NBC/SurveyMonkey | 2440 | ± 1.9% | November 15–17, 2015 | 4% | 18% | 3% | 18% | 3% | 0% | 0% | 2% | 1% | 2% | 0% | 2% | 11% | 1% | 28% | No Answer 1% Other 2% Undecided 6% |
| Morning Consult | 774 | ± 2.0% | November 13–16, 2015 | 6% | 19% | 2% | 7% | 3% | — | 1% | 3% | 0% | 1% | 0% | 2% | 7% | 0% | 38% | Other 2%, undecided 9% |
| Ipsos/Reuters | 257 | ± 7.0% | November 13, 2015 | 4% | 23% | 1% | 7% | 3% | 0% | 1% | 3% | 0% | 2% | 0% | 2% | 10% | 0% | 42% | Wouldn't vote 1% |
| YouGov/UMass | 318 | ± 6.4% | November 5–13, 2015 | 3% | 22% | 2% | 13% | 4% | 0% | <1% | 1% | 1% | 4% | 0% | 4% | 9% | <1% | 31% | |
| Rasmussen Reports | 672 | ± 4.0% | November 11–12, 2015 | 8% | 20% | — | 13% | 4% | — | — | — | — | — | — | — | 16% | — | 27% | Other 7% Undecided 5% |
| Ipsos/Reuters | 555 | ± 4.1% | November 7–11, 2015 | 6% | 17% | 1% | 10% | 5% | 0% | 1% | 4% | 1% | 1% | 0% | 3% | 10% | 2% | 33% | Wouldn't vote 5% |
| Public Religion Research Institute | 147 | ± ?% | November 6–10, 2015 | 8% | 22% | 3% | 10% | 2% | — | — | 6% | — | 3% | — | 0% | 9% | — | 20% | Other/Don't Know 12% |
| YouGov/Economist | 446 | ± 3.0% | November 5–9, 2015 | 3% | 18% | 3% | 10% | 3% | 1% | 1% | 4% | 2% | 4% | 0% | 4% | 13% | 1% | 32% | Other 0% |
| Morning Consult | 1567 | ± 2.0% | November 5–8, 2015 | 8% | 19% | 2% | 7% | 2% | — | 0% | 3% | 1% | 1% | 0% | 2% | 7% | 1% | 34% | Other 1% Undecided 11% |
| Ipsos/Reuters | 618 | ± 4.5% | October 31 –November 4, 2015 | 10% | 19% | 3% | 8% | 5% | 0% | 1% | 3% | 1% | 2% | 1% | 2% | 10% | 0% | 29% | Wouldn't vote 5% |
| McClatchy/Marist | 431 | ± 2.6% | October 29 –November 4, 2015 | 8% | 24% | 2% | 8% | 3% | 0% | 0% | 3% | 1% | 4% | 1% | 5% | 12% | 1% | 23% | Undecided 4% |
| Fox News | 476 | ± 3.0% | November 1–3, 2015 | 4% | 23% | 2% | 11% | 3% | 0% | 0% | 4% | 0% | 4% | 0% | 4% | 11% | 0% | 26% | None of the Above/Other 1% Undecided 5% |
| USC/LA Times/SurveyMonkey | 1292 | ± 3.0% | October 29 –November 3, 2015 | 4% | 21% | 1% | 10% | 4% | 0% | 0% | 2% | 1% | 2% | 0% | 2% | 12% | 1% | 25% | Other 2% Undecided 13% |
| Quinnipiac University | 502 | ± 4.4% | October 29 –November 2, 2015 | 4% | 23% | 3% | 13% | 2% | — | — | 1% | — | 3% | — | 2% | 14% | 1% | 24% | Other 1% Undecided 9% |
| Ipsos/Reuters | 635 | ± 4.4% | October 28 –November 2, 2015 | 10% | 18% | 3% | 6% | 5% | 0% | 0% | 3% | 1% | 3% | 0% | 3% | 10% | 1% | 31% | Wouldn't Vote 6% |
| Morning Consult | 937 | ± 2.0% | October 29 –November 1, 2015 | 7% | 21% | 4% | 9% | 2% | — | 0% | 3% | 1% | 1% | 1% | 3% | 7% | 0% | 31% | Other 1% Undecided 10% |
| Zogby | 344 | ± 5.4% | October 30–31, 2015 | 7% | 17% | 2% | 7% | 2% | 0% | 1% | 2% | 1% | 1% | 0% | 4% | 10% | 1% | 30% | None of the Above/Other 1% Undecided 11% |
| NBC/SurveyMonkey | 1226 | ± 1.5% | October 27–29, 2015 | 5% | 26% | 2% | 10% | 4% | 0% | 0% | 2% | 0% | 2% | 0% | 2% | 9% | 0% | 26% | No Answer/Other 1% Undecided 8% |
| NBC News/Wall Street Journal | 400 | ± 4.9% | October 25–29, 2015 | 8% | 29% | 3% | 10% | 3% | 0% | 0% | 3% | 0% | 3% | 0% | 2% | 11% | 0% | 23% | None 1% Other 1% Undecided 3% |
| IBD | 402 | ± 5.0% | October 24–29, 2015 | 6% | 23% | 1% | 6% | 3% | 0% | 0% | 1% | 2% | 1% | 0% | 2% | 11% | 1% | 28% | Wouldn't Vote/Undecided 15% |
| Ipsos/Reuters | 584 | ± 2.7% | October 24–28, 2015 | 9% | 27% | 3% | 5% | 4% | 0% | 1% | 2% | 1% | 4% | 1% | 3% | 6% | 0% | 29% | Wouldn't Vote 6% |
| YouGov/Economist | 407 | ± 3% | October 23–27, 2015 | 8% | 18% | 2% | 8% | 3% | 0% | 1% | 2% | 1% | 4% | 0% | 4% | 11% | 1% | 32% | Other 0% Undecided 3% |
| Morning Consult | 714 | ± 2.0% | October 22–25, 2015 | 8% | 20% | 3% | 3% | 3% | 0% | 0% | 4% | 2% | 2% | 1% | 3% | 6% | 1% | 35% | Other 1% Undecided 10% |
| CBS News/New York Times | 575 | ± 6% | October 21–25, 2015 | 7% | 26% | 1% | 4% | 7% | 0% | 2% | 4% | 0% | 4% | 0% | 4% | 8% | 1% | 22% | Someone Else <1% None of them 3%Don't know/No answer 6% |
| Ipsos/Reuters | 806 | ± 3.9% | October 17–21, 2015 | 9% | 18% | 3% | 5% | 6% | 0% | 1% | 4% | 2% | 4% | 1% | 3% | 6% | 1% | 31% | Wouldn't vote 8% |
| Morning Consult | 770 | ± 2.0% | October 15–19, 2015 | 6% | 14% | 4% | 5% | 3% | — | 1% | 3% | 1% | 2% | 1% | 2% | 5% | 1% | 40% | Other 2% Undecided 12% |
| Monmouth University | 348 | ± 5.3% | October 15–18, 2015 | 5% | 18% | 3% | 10% | 6% | 0% | 1% | 4% | 1% | 1% | 0% | 4% | 6% | 0% | 28% | No one 3% Undecided 9% |
| ABC News/Washington Post | 364 | ± 6.0% | October 15–18, 2015 | 7% | 22% | 3% | 6% | 5% | — | 1% | 3% | 0% | 2% | 1% | 2% | 10% | 0% | 32% | Other 1% None of these 1% No opinion 0%Would not vote 2% |
| Emerson College | 403 | ± 4.8% | October 16–17, 2015 | 8% | 23% | 2% | 6% | 6% | — | — | 4% | — | 3% | — | 0% | 14% | 0% | 32% | Other 0% Undecided 2% |
| NBC News/Wall Street Journal | 400 | ± 4.9% | October 15–18, 2015 | 8% | 22% | 1% | 9% | 7% | 0% | 0% | 3% | 0% | 3% | 0% | 2% | 13% | 0% | 25% | Other 1% Undecided 5% None 1% |
| CNN/ORC | 465 | ± 4.5% | October 14–17, 2015 | 8% | 22% | 4% | 4% | 4% | 0% | 1% | 5% | 0% | 3% | 0% | 5% | 8% | 2% | 27% | Other 1% Undecided 4% None 2% |
| NBC News/SurveyMonkey | 1881 | ± 2.0% | October 13–15, 2015 | 5% | 23% | 2% | 6% | 6% | 0% | 0% | 3% | 1% | 3% | 0% | 2% | 9% | 0% | 28% | No Answer 2% Other 2% Undecided 7% |
| Ipsos/Reuters | 492 | ± 3.0% | October 10–14, 2015 | 11% | 19% | 3% | 4% | 3% | 1% | 0% | 3% | 1% | 2% | 0% | 4% | 8% | 1% | 33% | Wouldn't Vote 7% |
| Fox News | 398 | ± 5% | October 10–12, 2015 | 8% | 23% | 1% | 10% | 5% | 0% | 0% | 5% | 1% | 1% | 1% | 3% | 9% | 0% | 24% | Other 1% None of the above 1%Don't know 7% |
| YouGov/Economist | 434 | ± 2.8% | October 8–12, 2015 | 7% | 18% | 3% | 8% | 9% | 0% | 1% | 3% | 1% | 3% | 0% | 3% | 11% | 0% | 28% | Other 0% No preference 3% |
| Morning Consult | 749 | ± 3.58% | October 8–12, 2015 | 9% | 20% | 2% | 5% | 5% | — | 1% | 4% | 0% | 3% | 1% | 3% | 5% | 1% | 34% | Other/Undecided 8% |
| CBS News | 419 | ± 5% | October 4–8, 2015 | 6% | 21% | 3% | 9% | 6% | — | — | 2% | 0% | 2% | 0% | 4% | 8% | 1% | 27% | Don't know 11% |
| Ipsos/Reuters | 602 | ± ?% | October 3–7, 2015 | 14% | 17% | 3% | 4% | 7% | 0% | 0% | 4% | 0% | 1% | 0% | 4% | 7% | 0% | 31% | Wouldn't vote 7% |
| Morning Consult | 807RV | ± 3.45% | October 2–5, 2015 | 7% | 13% | 4% | 5% | 6% | — | 1% | 2% | 0% | 4% | 1% | 3% | 10% | 1% | 31% | Other 2% Undecided 10% |
| Fairleigh Dickinson University | 824RV | ± 4.1% | October 1–5, 2015 | 7% | 22% | 3% | 5% | 7% | 0% | — | 6% | 1% | 1% | 0% | 4% | 8% | — | 26% | Other 1%Would not vote 1%Don't know 8% |
| Public Policy Polling | 627RV | ± 3.9% | October 1–4, 2015 | 10% | 17% | 2% | 7% | 6% | 0% | 1% | 4% | 1% | 4% | 1% | 2% | 13% | 2% | 27% | Undecided 3% |
| Gravis Marketing/One America News | 898RV | ± 3.3% | September 30 –October 1, 2015 | 7% | 17% | 2% | 7% | 9% | — | 0% | 5% | 0% | 3% | 0% | 3% | 11% | 1% | 35% | |
| IBD/TIPP | 377RV | ± 5.0% | September 26 –October 1, 2015 | 8% | 24% | 2% | 6% | 9% | 0% | 0% | 2% | 1% | 4% | 0% | 3% | 11% | 0% | 17% | Undecided 9% |
| Ipsos/Reuters | 481 | ± 3.1% | September 26–30, 2015 | 10% | 12% | 5% | 5% | 8% | 1% | 0% | 3% | 1% | 1% | 0% | 7% | 7% | 2% | 32% | Wouldn't vote 6% |
| Suffolk/USA Today | 380LV | 5.03% | September 24–28, 2015 | 8% | 13% | 1% | 6% | 13% | — | 1% | 2% | 1% | 2% | 0% | 2% | 9% | 0% | 23% | Other 1% Undecided 18% |
| Morning Consult | 637RV | ± 3.9% | September 24–27, 2015 | 10% | 15% | 4% | 5% | 9% | — | 0% | 3% | 0% | 1% | 1% | 3% | 9% | 1% | 30% | Undecided 9% |
| NBC News/Wall Street Journal | 230LV | ± 6.5% | September 20–24, 2015 | 7% | 20% | 3% | 5% | 11% | 0% | 0% | 2% | 1% | 6% | 0% | 3% | 11% | 1% | 21% | Other 1% None 2% Not Sure 6% |
| Ipsos/Reuters | 572 | ± 4.7% | September 19–23, 2015 | 10% | 18% | 3% | 5% | 8% | 2% | 1% | 3% | 1% | 3% | 0% | 2% | 6% | 1% | 30% | Scott Walker 2%Wouldn't vote 5% |
| Fox News | 398LV | ± 4.5% | September 20–22, 2015 | 7% | 18% | 5% | 8% | 9% | 0% | 0% | 3% | 0% | 4% | 1% | 2% | 9% | 0% | 26% | Other 3% None of the above 1%Don't know 4% |
| Quinnipiac | 737RV | ± 3.6% | September 17–21, 2015 | 10% | 17% | 2% | 7% | 12% | 0% | 0% | 2% | 0% | 2% | 1% | 1% | 9% | 0% | 25% | Don't know 9% Someone else 1%Wouldn't vote 4% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Carly Fiorina | Jim Gilmore | Lindsey Graham | Mike Huckabee | Bobby Jindal | John Kasich | George Pataki | Rand Paul | Marco Rubio | Rick Santorum | Donald Trump | Scott Walker | Others |
| Bloomberg/Selzer | 391RV | ± 5% | September 18–21, 2015 | 13% | 16% | 4% | 5% | 11% | 0% | 0% | 3% | 1% | 4% | 0% | 2% | 8% | 1% | 21% | 1% | Uncommitted 5% Not sure 5% |
| Zogby | 405LV | ± 5% | September 18–19, 2015 | 9% | 13% | 3% | 5% | 7% | 0% | 0% | 2% | 0% | 4% | 0% | 4% | 4% | 0% | 33% | 2% | |
| CNN/ORC | 444RV | ± 4.5% | September 17–19, 2015 | 9% | 14% | 3% | 6% | 15% | 0% | 0% | 6% | 0% | 2% | 0% | 4% | 11% | 1% | 24% | 0% | No one 1% No opinion 3% Someone else 0% |
| NBC News/Survey Monkey | 5,113 | ± 2% | September 16–18, 2015 | 8% | 14% | 3% | 7% | 11% | 0% | 0% | 2% | 0% | 2% | 1% | 3% | 7% | 0% | 29% | 3% | No one 1%Don't know 6% Someone else 2% |
| Gravis Marketing/One America News | 1,377 | ± 3% | September 17, 2015 | 6% | 12% | 4% | 6% | 22% | 0% | 0% | 2% | 0% | 4% | 0% | 2% | 15% | 1% | 22% | 3% | |
| Ipsos/Reuters | 532 | ± 4.8% | September 12–16, 2015 | 8% | 14% | 6% | 5% | 2% | 0% | 0% | 7% | 1% | 2% | 0% | 2% | 3% | 1% | 35% | 4% | Wouldn't vote 8% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Carly Fiorina | Jim Gilmore | Lindsey Graham | Mike Huckabee | Bobby Jindal | John Kasich | George Pataki | Rand Paul | Rick Perry | Marco Rubio | Rick Santorum | Donald Trump | Scott Walker | Others |
| The Economist/YouGov | 436 | ± 2.8% | September 11–15, 2015 | 7% | 17% | 2% | 8% | 6% | 0% | 1% | 2% | 0% | 3% | 1% | 4% | 0% | 7% | 1% | 33% | 5% | Other 0% Undecided 4% |
| Morning Consult | 756 | ± 2.0% | September 11–13, 2015 | 9% | 17% | 2% | 6% | 3% | — | 0% | 3% | 1% | 2% | 2% | 5% | — | 3% | 1% | 33% | 2% | Other 1% Undecided 10% |
| CBS News | 376 | ± 6% | September 9–13, 2015 | 6% | 23% | 1% | 5% | 4% | 0% | 0% | 6% | 0% | 3% | 0% | 3% | 1% | 6% | 1% | 27% | 2% | None of these 4% Other 0% No opinion 9% |
| ABC News/Washington Post | 342 | ± ?% | September 7–10, 2015 | 8% | 20% | 1% | 7% | 2% | 0% | 0% | 3% | 1% | 3% | 0% | 5% | 1% | 7% | 1% | 33% | 2% | Wouldn't vote 1% None of these 1% Other 1% No opinion 3% |
| Ipsos/Reuters | 469 | ± 5.1% | September 5–9, 2015 | 8% | 12% | 3% | 6% | 2% | 0% | 1% | 5% | 2% | 3% | 0% | 3% | 2% | 4% | 2% | 35% | 6% | Wouldn't vote 8% |
| Emerson College | 409 | ± 4.9% | September 5–8, 2015 | 12% | 20% | 1% | 6% | 3% | — | 0% | 4% | — | 4% | — | 1% | 0% | 8% | — | 34% | 5% | Other 1% Undecided 2% |
| CNN/ORC | 474 | ± 4.5% | September 4–8, 2015 | 9% | 19% | 2% | 7% | 3% | 0% | 1% | 5% | 1% | 2% | 0% | 3% | 0% | 3% | 1% | 32% | 5% | Other 3% No one 2% Undecided 2% |
| Morning Consult | 722 | ± 3.5% | September 4–7, 2015 | 9% | 18% | 4% | 5% | 3% | — | 1% | 4% | 1% | 2% | 0% | 2% | 3% | 4% | 1% | 31% | 4% | Undecided 9% |
| Monmouth University | 366 | ± 5.1% | August 31 – September 2, 2015 | 8% | 18% | 2% | 8% | 4% | 0% | 0% | 4% | 0% | 2% | 0% | 2% | 1% | 5% | 0% | 30% | 3% | Other 0% No one 2% Undecided 9% |
| Morning Consult | 769 | ± 2.0% | August 28–30, 2015 | 9% | 9% | 3% | 4% | 3% | — | 0% | 6% | 1% | 2% | 0% | 1% | 4% | 6% | 2% | 37% | 5% | Other 1% Undecided 8% |
| Public Policy Polling | 572 | ± 4.2% | August 28–30, 2015 | 9% | 15% | 2% | 6% | 8% | 1% | 0% | 5% | 0% | 6% | 0% | 1% | 1% | 7% | 2% | 29% | 5% | Undecided 1% |
| Ipsos/Reuters | 412 | ± 5.5% | August 22–26, 2015 | 7% | 8% | 2% | 5% | 5% | 1% | 1% | 10% | 1% | 1% | 0% | 5% | 3% | 5% | 1% | 30% | 5% | Wouldn't vote 10% |
| Hot Air/Townhall/Survey Monkey | 959 | ± ?% | ? | 8% | 8% | 2% | 3% | 5% | 0% | 1% | 2% | 1% | 5% | 1% | 3% | 1% | 5% | 1% | 24% | 1% | Undecided/Not sure 30.3% |
| Quinnipiac | 666 | ± 3.8% | August 20–25, 2015 | 7% | 12% | 4% | 7% | 5% | 0% | 0% | 3% | 0% | 5% | 0% | 2% | 1% | 7% | 1% | 28% | 6% | Other 1%Don't know 11%Wouldn't vote 0% |
| Ipsos/Reuters | 294 | ± 6.5% | August 15–19, 2015 | 10% | 9% | 4% | 4% | 5% | — | 1% | 7% | 2% | 2% | 0% | 5% | 4% | 4% | 1% | 29% | 9% | Wouldn't vote: 5% |
| Civis Analytics | 757 | ± 4.2% | August 10–19, 2015 | 9% | 11% | 2% | 7% | 3% | 0% | 0% | 7% | 0% | 3% | 0% | 3% | 2% | 7% | 1% | 16% | 5% | Undecided: 24% |
| The Economist/YouGov | 451 | ± 2.8% | August 14–18, 2015 | 9% | 11% | 3% | 7% | 6% | 1% | 0% | 3% | 1% | 4% | 0% | 0% | 3% | 9% | 1% | 25% | 9% | Other 1% Undecided 7% |
| Morning Consult | 783 | ± 2.0% | August 14–16, 2015 | 12% | 7% | 4% | 5% | 4% | — | 1% | 6% | 1% | 3% | 0% | 4% | 2% | 6% | 1% | 32% | 3% | Other 0% Undecided 11% |
| CNN/ORC | 506 | ± 4.5% | August 13–16, 2015 | 13% | 8% | 4% | 5% | 5% | 0% | 0% | 4% | 0% | 5% | 0% | 6% | 2% | 7% | 1% | 24% | 7% | Someone else 4% None/No One 5% No opinion 1% |
| Fox News | 381 | ± ?% | August 11–13, 2015 | 9% | 12% | 3% | 10% | 5% | 0% | 0% | 6% | 1% | 4% | 1% | 3% | 1% | 4% | 1% | 25% | 6% | Other 0% None of the above 2%Don't know 7% |
| Ipsos/Reuters | 451 | ± 5.2% | August 8–12, 2015 | 12% | 8% | 3% | 5% | 6% | — | 2% | 7% | 2% | 1% | 1% | 6% | 2% | 8% | 1% | 21% | 5% | Wouldn't vote: 10% |
| Rasmussen | 651 | ± 4.0% | August 9–10, 2015 | 10% | 8% | 4% | 7% | 9% | 1% | 1% | 3% | 1% | 4% | 0% | 4% | 1% | 10% | 1% | 17% | 9% | Undecided 11% |
| Ipsos/Reuters | 278 | ± 6.7% | August 6–10, 2015 | 12% | 8% | 1% | 5% | 6% | — | 3% | 8% | 1% | 4% | 0% | 3% | 1% | 8% | 1% | 24% | 7% | Wouldn't vote 8% |
| Morning Consult | 746 | ± 2.0% | August 7–9, 2015 | 11% | 9% | 4% | 4% | 3% | — | 1% | 4% | 1% | 3% | 0% | 5% | 1% | 6% | 1% | 32% | 6% | Other 1% Undecided 8% |
| NBC News/Survey Monkey | 1591 | ± 3.4% | August 7–8, 2015 | 7% | 11% | 1% | 13% | 8% | — | 1% | 5% | 1% | 2% | 0% | 5% | 2% | 8% | 0% | 23% | 7% | |
| Ipsos/Reuters | 341 | ± 6.0% | August 1–5, 2015 | 16% | 5% | 3% | 6% | 1% | — | 3% | 5% | 1% | 3% | 0% | 7% | 4% | 4% | 2% | 24% | 12% | Wouldn't vote 6% |
| Zogby/University of Akron | 565 | ± 4.2% | August 3–4, 2015 | 17% | 6% | 2% | 6% | 2% | 0% | 0% | 5% | 1% | 1% | 2% | 5% | 2% | 4% | 1% | 25% | 9% | Not Sure/Someone Else 12% |
| The Economist/YouGov | 424 | ± ?% | July 31 –August 4, 2015 | 12% | 6% | 4% | 6% | 2% | 0% | 1% | 3% | 3% | 1% | 0% | 6% | 2% | 8% | 0% | 26% | 14% | Other 0% No preference 4% |
| Morning Consult | 783 | ± 2% | July 31 –August 3, 2015 | 12% | 7% | 3% | 7% | 1% | — | 0% | 5% | 3% | 2% | 1% | 3% | 5% | 6% | 2% | 25% | 8% | Undecided 10% |
| Fox News | 475 | ± ?% | July 30 –August 2, 2015 | 15% | 7% | 3% | 6% | 2% | 0% | 0% | 6% | 1% | 3% | 0% | 5% | 1% | 5% | 2% | 26% | 9% | Other 1% None of the above 1%Don't know 7% |
| Bloomberg | 500 | ± 4.4% | July 30 –August 2, 2015 | 10% | 5% | 4% | 4% | 1% | 0% | 1% | 7% | 1% | 4% | 0% | 5% | 2% | 6% | 2% | 21% | 8% | Uncommitted 6% Not sure 12% |
| Monmouth University | 423 | ± 4.8% | July 30 –August 2, 2015 | 12% | 5% | 4% | 6% | 2% | 0% | 1% | 6% | 1% | 3% | 0% | 4% | 2% | 4% | 1% | 26% | 11% | Undecided/No one 11% |
| CBS News | 408 | ± ?% | July 29 –August 2, 2015 | 13% | 6% | 3% | 6% | 0% | 1% | 0% | 8% | 2% | 1% | 1% | 4% | 2% | 6% | 1% | 24% | 10% | Someone Else 1% None of them 3%Don't know/No answer 9% |
| Wall Street Journal/NBC News | 252 | ± 6.17% | July 26–30, 2015 | 14% | 10% | 3% | 9% | 0% | 0% | 0% | 6% | 1% | 3% | 0% | 6% | 3% | 5% | 1% | 19% | 15% | |
| Gravis Marketing/One America News | 732 | ± 3.7% | July 29, 2015 | 13% | 6% | 3% | 6% | 2% | — | 1% | 6% | 0% | 5% | 0% | 4% | 3% | 5% | 2% | 31% | 13% | |
| Rasmussen Reports | 471 | ± 5% | July 28–29, 2015 | 10% | 5% | 2% | 7% | 1% | — | 1% | 7% | 2% | 5% | 1% | 3% | 2% | 5% | 2% | 26% | 14% | Not Sure 7% |
| Ipsos/Reuters | 409 | ± 5.5% | July 25–29, 2015 | 11% | 6% | 4% | 3% | 2% | — | 2% | 5% | 2% | 4% | 2% | 7% | 3% | 5% | 2% | 27% | 7% | Wouldn't vote 8% |
| Emerson College | 476 | ± 4.6% | July 26–28, 2015 | 15% | 5% | 2% | 8% | 3% | — | 0% | 6% | 0% | 2% | 0% | 4% | 0% | 4% | 1% | 31% | 13% | Other 0% Undecided 7% |
| Quinnipiac | 710 | ± 3.7% | July 23–28, 2015 | 10% | 6% | 3% | 5% | 1% | 0% | 1% | 6% | 2% | 5% | 1% | 6% | 2% | 6% | 1% | 20% | 13% | Someone else 0%Wouldn't vote 1%DK/NA 12% |
| CNN/ORC | 419 | ± 4.5% | July 22–25, 2015 | 15% | 4% | 4% | 7% | 1% | 0% | 1% | 5% | 2% | 4% | 1% | 6% | 3% | 6% | 2% | 18% | 10% | Someone else 4% None/No One 4% No Opinion 3% |
| Reuters/Ipsos | 359 | ± 5.9% | July 18–22, 2015 | 18% | 6% | 6% | 6% | 1% | — | 2% | 4% | 2% | 3% | 1% | 4% | 5% | 2% | 3% | 17% | 10% | Wouldn't vote 10% |
| Public Policy Polling | 524 | ± 3.0% | July 20–21, 2015 | 12% | 10% | 3% | 4% | 4% | 0% | 0% | 8% | 1% | 3% | 0% | 4% | 1% | 10% | 1% | 19% | 17% | Undecided 2% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Carly Fiorina | Lindsey Graham | Mike Huckabee | Bobby Jindal | John Kasich | George Pataki | Rand Paul | Rick Perry | Marco Rubio | Rick Santorum | Donald Trump | Scott Walker | Others |
| The Economist/YouGov | 228 | ± ?% | July 18–20, 2015 | 14% | 7% | 4% | 3% | 3% | 2% | 3% | 1% | 2% | 0% | 5% | 2% | 4% | 1% | 28% | 13% | Other 0% Undecided 8% |
| Morning Consult | 754 | ± ?% | July 18–20, 2015 | 15% | 8% | 4% | 4% | 2% | — | 7% | — | — | — | 5% | — | 6% | — | 22% | 12% | Someone Else 3%Don't Know 12% |
| ABC/Washington Post | 341 | ± 3.5% | July 16–19, 2015 | 12% | 6% | 3% | 4% | 0% | 0% | 8% | 2% | 2% | 1% | 6% | 4% | 7% | 1% | 24% | 13% | Other 0% None of these 4%Would not vote 1% No opinion 2% |
| Fox News | 389 | ± 4.5% | July 13–15, 2015 | 14% | 6% | 3% | 4% | 1% | 0% | 4% | 0% | 2% | 0% | 8% | 1% | 7% | 2% | 18% | 15% | Other 1% None of the above 4%Don't know 9% |
| Reuters/Ipsos | 301 | ± 6.4% | July 11–15, 2015 | 13% | 7% | 7% | 4% | 1% | 2% | 8% | 4% | 2% | 2% | 5% | 3% | 5% | 0% | 22% | 7% | Wouldn't vote 8% |
| Suffolk University/USA Today | 349 | ± 5.25% | July 9–12, 2015 | 14% | 4% | 3% | 6% | 1% | 0% | 4% | 1% | 1% | 0% | 4% | 1% | 5% | 1% | 17% | 8% | Other 1%Undecided 30% |
| Monmouth University | 336 | ± 5.4% | July 9–12, 2015 | 15% | 6% | 2% | 9% | 1% | 0% | 7% | 2% | 1% | 0% | 6% | 2% | 6% | 2% | 13% | 7% | Jim Gilmore 0% Other 0% No one 1%Undecided 18% |
| Reuters/Ipsos | 450 | ± 5.2% | July 4–8, 2015 | 16% | 9% | 8% | 7% | 1% | 2% | 6% | 2% | 2% | 1% | 7% | 4% | 4% | 0% | 14% | 10% | Wouldn't vote 8% |
| The Economist/YouGov | 226 | ± 4% | July 4–6, 2015 | 11% | 7% | 6% | 4% | 3% | 0% | 9% | 2% | 2% | 0% | 11% | 3% | 9% | 2% | 15% | 9% | Other 0% No preference 5% |
| Reuters/Ipsos | 478 | ± 5.0% | June 27 –July 1, 2015 | 16% | 9% | 5% | 6% | 2% | 1% | 6% | 4% | 0% | 2% | 8% | 4% | 6% | 1% | 15% | 7% | Wouldn't vote 9% |
| The Economist/YouGov | 246 | ± 4% | June 27–29, 2015 | 14% | 9% | 3% | 4% | 6% | 2% | 6% | 3% | 2% | 0% | 11% | 2% | 10% | 1% | 11% | 12% | Other 1% No preference 5% |
| CNN/ORC International | 407 | ± 5.0% | June 26–28, 2015 | 19% | 7% | 3% | 3% | 1% | 1% | 8% | 2% | 2% | 0% | 7% | 4% | 6% | 3% | 12% | 6% | Other 7% None of the above 6% Undecided 3% |
| Fox News | 378 | ± 3.0% | June 21–23, 2015 | 15% | 10% | 2% | 4% | 3% | 1% | 6% | 2% | 2% | 1% | 9% | 2% | 8% | 3% | 11% | 9% | Other 0% None of the above 3% Undecided 9% |
| The Economist/YouGov | 235 | ± 4.2% | June 20–22, 2015 | 10% | 10% | 2% | 9% | 3% | 2% | 6% | 0% | 2% | 0% | 11% | 2% | 11% | 2% | 11% | 10% | Other 1% No preference 8% |
| NBC News/Wall Street Journal | 236 | ± 6.38% | June 14–18, 2015 | 22% | 11% | 4% | 4% | 2% | 1% | 9% | 0% | 1% | 0% | 7% | 5% | 14% | 0% | 1% | 17% | None 0% Other 1% Not Sure 1% |
| The Economist/YouGov | 233 | ± 4.4% | June 13–15, 2015 | 14% | 9% | 4% | 3% | 6% | 0% | 7% | 1% | 4% | 0% | 9% | 7% | 10% | 3% | 2% | 9% | Other 1% No preference 11% |
| Public Policy Polling | 492 | ± 2.9% | June 11–14, 2015 | 15% | 12% | 4% | 8% | 5% | — | 12% | — | — | — | 8% | — | 13% | — | — | 17% | Someone else/Undecided 9% |
| Monmouth University | 351 | ± 5.2% | June 11–14, 2015 | 9% | 11% | 4% | 5% | 2% | 2% | 8% | 1% | 1% | 0% | 6% | 4% | 9% | 3% | 2% | 10% | Other 0% No one 2%Undecided 20% |
| Reuters/Ipsos | 676 | ± 4.3% | June 6–10, 2015 | 12% | 10% | 7% | 8% | 2% | 3% | 12% | — | — | 3% | 8% | — | 8% | 5% | 4% | 10% | Wouldn't vote 9% |
| The Economist/YouGov | 238 | ± 4.7% | June 6–8, 2015 | 8% | 10% | 5% | 7% | 7% | 5% | 7% | 1% | 2% | 0% | 9% | 2% | 10% | 4% | — | 7% | Other 2%No preference 14% |
| Fox News | 370 | ± 5% | May 31 –June 2, 2015 | 12% | 11% | 5% | 8% | 2% | 2% | 6% | 1% | 2% | 2% | 9% | 4% | 7% | 2% | 4% | 12% | Other 1% None of the above 2%Don't know 10% |
| The Economist/YouGov | 255 | ± 4.4% | May 30 –June 1, 2015 | 15% | 6% | 2% | 7% | 5% | 1% | 9% | 1% | 3% | 0% | 10% | 2% | 8% | 3% | — | 12% | Other 2% No preference 14% |
| CNN/ORC | 483 | 4.5% | May 29–31, 2015 | 13% | 7% | 4% | 8% | 1% | 1% | 10% | 1% | 1% | 3% | 8% | 5% | 14% | 2% | 3% | 10% | Someone else 5% None/No one 2% No opinion 1% |
| ABC/Washington Post | 362 | ± 6.0% | May 28–31, 2015 | 10% | 8% | 6% | 8% | 2% | 1% | 9% | 0% | 3% | 1% | 11% | 2% | 10% | 4% | 4% | 11% | Other 0% None of these 2%Would not vote 1% No opinion 5% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Carly Fiorina | Lindsey Graham | Mike Huckabee | Bobby Jindal | John Kasich | Rand Paul | Rick Perry | Marco Rubio | Rick Santorum | Scott Walker | Others |
| The Economist/YouGov | 209 | ± 3.9% | May 23–25, 2015 | 10% | 12% | 3% | 6% | 2% | 1% | 10% | 2% | 1% | 9% | 4% | 16% | 0% | 13% | Other 3% No preference 7% |
| Quinnipiac | 679 | ± 3.8% | May 19–26, 2015 | 10% | 10% | 4% | 6% | 2% | 1% | 10% | 1% | 2% | 7% | 1% | 10% | — | 10% | Donald Trump 5%Wouldn't vote 1%DK/NA 20% |
| The Economist/YouGov | 229 | ± 4.1% | May 16–18, 2015 | 7% | 11% | 7% | 4% | 2% | 1% | 9% | 1% | 4% | 10% | 2% | 12% | 1% | 17% | Other 2% No preference 11% |
| Fox News | 413 | ± 4.5% | May 9–12, 2015 | 13% | 13% | 6% | 6% | 1% | 0% | 10% | 1% | 2% | 7% | 2% | 9% | 2% | 11% | Donald Trump 4% George Pataki 0% Other 1% None 3% Not sure 10% |
| The Economist/YouGov | 246 | ± 4.6% | May 9–11, 2015 | 10% | 9% | 3% | 8% | 4% | 1% | 11% | 1% | 1% | 6% | 1% | 17% | 2% | 14% | Other 4% No preference 9% |
| Public Policy Polling | 685 | ± 3.7% | May 7–10, 2015 | 11% | 12% | 5% | 10% | — | — | 12% | — | — | 9% | 2% | 13% | — | 18% | Someone else/Not sure 7% |
| The Economist/YouGov | 218 | ± 4.2% | May 2–4, 2015 | 14% | 4% | 7% | 7% | 0% | 0% | 7% | 0% | 5% | 9% | 6% | 11% | 1% | 16% | Other 3% No preference 9% |
| NBC News/Wall Street Journal | 251 | ± 6.19% | April 26–30, 2015 | 23% | 7% | 5% | 11% | 1% | — | 5% | — | — | 11% | 2% | 18% | — | 14% | Other 0% None 0% Not sure 3% |
| The Economist/YouGov | 233 | ± 4.1% | April 25–27, 2015 | 9% | 5% | 5% | 7% | 2% | 2% | 6% | 2% | 2% | 8% | 2% | 17% | 1% | 19% | Other 2% No preference 9% |
| Fox News | 383 | ± 5% | April 19–21, 2015 | 9% | 6% | 6% | 8% | 0% | 1% | 9% | 1% | 2% | 10% | 2% | 13% | 1% | 12% | Donald Trump 5% George Pataki 1% Other 1% None 3%Don't know 9% |
| Quinnipiac University | 567 | ± 4.1% | April 16–21, 2015 | 13% | 3% | 7% | 9% | 1% | 2% | 7% | 1% | 2% | 8% | 3% | 15% | 2% | 11% | Other 1%Wouldn't vote 1%Don't know 14% |
| The Economist/YouGov | 228 | ± 4.1% | April 18–20, 2015 | 13% | 10% | 6% | 11% | 1% | 0% | 5% | 2% | 1% | 11% | 2% | 9% | 1% | 15% | Other 3% No preference 10% |
| CNN/ORC | 435 | ± 4.5% | April 16–19, 2015 | 17% | 4% | 4% | 7% | 2% | 2% | 9% | 2% | 2% | 11% | 3% | 11% | 3% | 12% | George Pataki 0% Other 5% None/No one 5% No opinion 2% |
| The Economist/YouGov | 228 | ± 4.1% | April 11–13, 2015 | 12% | 7% | 4% | 13% | 3% | 2% | 4% | 1% | 2% | 13% | 4% | 7% | 2% | 14% | Other 2% No preference 12% |
| Monmouth University | 355 | ± 5.2% | March 30 –April 2, 2015 | 13% | 7% | 5% | 11% | 1% | 1% | 9% | 1% | 1% | 6% | 5% | 5% | 1% | 11% | Donald Trump 7%George Pataki 0%John R. Bolton 0%Other 1% No one 2% Undecided 12% |
| Fox News | 379 | ± 5% | March 29–31, 2015 | 12% | 11% | 4% | 10% | 1% | 0% | 10% | 2% | 1% | 9% | 3% | 8% | 2% | 15% | Donald Trump 3%George Pataki 1% Other 1% None 4%Don't know 6% |
| ABC News/Washington Post | 443 | ± 4.7% | March 26–31, 2015 | 21% | 6% | 7% | 12% | 1% | 1% | 8% | 1% | 1% | 8% | 1% | 8% | 2% | 13% | Other/None of these/Wouldn't vote/No opinion 12% |
| Public Policy Polling | 443 | ± 4.7% | March 26–31, 2015 | 17% | 10% | 4% | 16% | — | — | 6% | — | — | 10% | 3% | 6% | — | 20% | Undecided 8% |
| The Economist/YouGov | 235 | ± 4.3% | March 21–23, 2015 | 14% | 10% | 6% | 8% | 3% | 1% | 5% | 2% | 2% | 5% | 5% | 5% | 1% | 19% | Other 2% No preference 11% |
| CNN/ORC | 450 | ± 4.5% | March 13–15, 2015 | 16% | 9% | 7% | 4% | 0% | 1% | 10% | 1% | 2% | 12% | 4% | 7% | 1% | 13% | Other 4% None/No one 6% No opinion 3% |
| McClatchy-Marist | 426 | ± 4.7% | March 1–4, 2015 | 19% | 9% | 6% | 4% | 2% | 1% | 10% | — | — | 7% | 3% | 5% | 2% | 18% | Undecided 13% |
| Quinnipiac University | 554 | ± 4.2% | February 22 –March 2, 2015 | 16% | 7% | 8% | 6% | — | 1% | 8% | 2% | 1% | 6% | 1% | 5% | 2% | 18% | Other 1% Wouldn't vote 2% Undecided 17% |
| The Economist/YouGov | 255 | ± 4.6% | February 21–23, 2015 | 13% | 8% | 9% | 6% | — | — | 7% | 3% | 1% | 9% | 3% | 5% | 2% | 10% | Others/No preference 26% |
| Public Policy Polling | 316 | ± 5.5% | February 20–22, 2015 | 17% | 18% | 5% | 5% | — | — | 10% | — | — | 4% | 3% | 3% | — | 25% | Other/Undecided 11% |
| CNN/ORC | 436 | ± 4.5% | February 12–15, 2015 | 12% | 9% | 7% | 3% | 1% | 1% | 17% | 1% | 2% | 11% | 2% | 6% | 2% | 11% | Other 3% None/No one 7% No opinion 3% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Lindsey Graham | Mike Huckabee | Bobby Jindal | John Kasich | Rand Paul | Rick Perry | Mitt Romney | Marco Rubio | Rick Santorum | Scott Walker | Others |
| Fox News | 394 | ± 4.5% | January 25–27, 2015 | 10% | 9% | 4% | 4% | 1% | 11% | 2% | 1% | 11% | 4% | 21% | 5% | 1% | 8% | Other 1% None 4% Undecided 5% |
| Public Policy Polling | 400 | ± 4.9% | January 22–25, 2015 | 17% | 15% | 7% | 9% | — | 9% | — | — | 4% | 2% | 21% | — | — | 11% | Other/Undecided 5% |
| Rasmussen Reports | 787 | ± 3.5% | January 18–19, 2015 | 13% | 12% | 7% | — | — | — | — | — | 7% | 5% | 24% | 5% | — | 11% | Other 4% Undecided 12% |
| The Economist/YouGov | 212 | ± ? | January 10–12, 2015 | 12% | 10% | 3% | 9% | 0% | 8% | — | — | 8% | 2% | 28% | 2% | — | 6% | Paul Ryan 3% Other 3% No preference 6% |

### Polls conducted in 2014

| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Ben Carson | Chris Christie | Ted Cruz | Mike Huckabee | Bobby Jindal | John Kasich | Rand Paul | Rick Perry | Mitt Romney | Marco Rubio | Paul Ryan | Rick Santorum | Scott Walker | Others |
| CNN/ORC | 453 | ± 4.5% | December 18–21, 2014 | 23% | 7% | 13% | 4% | 6% | 4% | 3% | 6% | 4% | — | 5% | 5% | 2% | 4% | Mike Pence 0%Rob Portman 0%Other 5%None/No one 5%No opinion 3% |
| ABC News/Washington Post | 410 | ± 5.5% | December 11–14, 2014 | 10% | 7% | 6% | 6% | 6% | 2% | 2% | 9% | 4% | 21% | 4% | 8% | 3% | 5% | Other 0%None 2%Wouldn't vote 0%No opinion 6% |
| ABC News/Washington Post | 410 | ± 5.5% | December 11–14, 2014 | 14% | 8% | 7% | 8% | 7% | 3% | 2% | 10% | 5% | — | 7% | 11% | 3% | 7% | Other 0%None 2%Wouldn't vote 0%No opinion 6% |
| Fox News | 409 | ± 5% | December 7–9, 2014 | 10% | 6% | 8% | 5% | 8% | 1% | 2% | 8% | 2% | 19% | 4% | 6% | 1% | 7% | None 2%Undecided 8% |
| McClatchy-Marist | 360 | ± 5.2% | December 3–9, 2014 | 14% | 8% | 9% | 4% | 9% | 1% | 2% | 5% | 4% | 19% | 3% | 3% | 3% | 3% | Carly Fiorina 1%Undecided 13% |
| McClatchy-Marist | 360 | ± 5.2% | December 3–9, 2014 | 16% | 8% | 10% | 5% | 12% | 1% | 3% | 6% | 5% | — | 3% | 7% | 3% | 3% | Carly Fiorina 1%Undecided 18% |
| CNN/ORC | 510 | ± 4.5% | November 21–23, 2014 | 9% | 10% | 8% | 5% | 7% | 1% | 2% | 6% | 4% | 20% | 3% | 6% | 2% | 5% | Mike Pence 1%Rob Portman 0%Other 6%None/No one 2%Undecided 3% |
| CNN/ORC | 510 | ± 4.5% | November 21–23, 2014 | 14% | 11% | 9% | 7% | 10% | 1% | 3% | 8% | 5% | — | 3% | 9% | 2% | 5% | Mike Pence 1%Rob Portman 0%Other 6%None/No one 2%Undecided 4% |
| Quinnipiac University | 707 | ± 3.7% | November 18–23, 2014 | 11% | 8% | 8% | 5% | 5% | 2% | 2% | 6% | 2% | 19% | 2% | 5% | 1% | 5% | Rob Portman 0%Other 1%Wouldn't vote 1%Undecided 16% |
| Quinnipiac University | 707 | ± 3.7% | November 18–23, 2014 | 14% | 9% | 11% | 5% | 7% | 3% | 2% | 8% | 3% | — | 3% | 7% | 2% | 6% | Rob Portman 1%Other 1%Wouldn't vote 1%Undecided 16% |
| Rasmussen Reports | ? | ± ? | November 20–21, 2014 | 18% | — | 15% | — | — | — | — | 13% | — | — | — | 20% | — | 20% | Other/Undecided 14% |
| ABC News/Washington Post | ? | ± ? | October 9–12, 2014 | 10% | 6% | 8% | 3% | 10% | 1% | 1% | 9% | 5% | 21% | 6% | 5% | 4% | 1% | Other 1%None 2%No opinion 6% |
| ABC News/Washington Post | ? | ± ? | October 9–12, 2014 | 13% | 7% | 8% | 4% | 12% | 2% | 2% | 12% | 6% | — | 8% | 9% | 4% | 2% | Other 1%None 3%No opinion 9% |
| McClatchy-Marist | 376 | ± 5.1% | September 24–29, 2014 | 15% | — | 12% | 4% | — | 4% | — | 13% | 7% | — | 6% | 13% | 3% | 3% | Undecided 21% |
| Zogby Analytics | 212 | ± 6.9% | September 3–4, 2014 | 10% | — | 9% | 5% | 9% | — | — | 15% | 5% | 15% | 3% | 5% | 1% | 2% | Susana Martinez 0%Nikki Haley 0%Rob Portman 0%Not sure 19% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Chris Christie | Ted Cruz | Mike Huckabee | Bobby Jindal | John Kasich | Rand Paul | Rick Perry | Marco Rubio | Paul Ryan | Rick Santorum | Scott Walker | Others |
| McClatchy-Marist | 342 | ± 5.3% | August 4–7, 2014 | 13% | 13% | 10% | — | 2% | — | 7% | 7% | 9% | 9% | 3% | 4% | Undecided 23% |
| Fox News | 358 | ± 5% | July 20–22, 2014 | 12% | 10% | 9% | — | 4% | 2% | 11% | 12% | 9% | 9% | 3% | 4% | Other 2%None 4%Don't know 6% |
| CNN/ORC | 470 | ± 4.5% | July 18–20, 2014 | 8% | 13% | 8% | 12% | — | — | 12% | 11% | 6% | 11% | 3% | 5% | Other 6%None/No one 2%No opinion 3% |
| Zogby Analytics | 282 | ± 6% | June 27–29, 2014 | 13% | 13% | — | — | 4% | 1% | 20% | — | 7% | — | — | 8% | Nikki Haley 1%Susana Martinez 1% |
| Quinnipiac | 620 | ± 2.6% | June 24–30, 2014 | 10% | 10% | 8% | 10% | 1% | 2% | 11% | 3% | 6% | 8% | 2% | 8% | Wouldn't vote 2%Don't know 20% |
| Saint Leo University | 225 | ± ? | May 28 – June 4, 2014 | 16% | 11% | 8% | 6% | 1% | 2% | 3% | 5% | 4% | 6% | 2% | 2% | Ben Carson 6%Peter T. King 3%John R. Bolton 1%Rob Portman 1%Other 2%Don't know/Not sure 19% |
| CNN/ORC | 452 | ± 4.5% | May 29 – June 1, 2014 | 12% | 8% | 9% | 11% | — | — | 14% | 6% | 8% | 10% | 4% | 5% | Other 6%None/No one 2%No opinion 5% |
| CNN/ORC | 473 | ± 4.5% | May 2–4, 2014 | 13% | 9% | 7% | 10% | — | — | 13% | 8% | 6% | 12% | 2% | 7% | Other 4%None/No one 4%No opinion 7% |
| Washington Post-ABC News | 424 | ± 5% | April 25–27, 2014 | 14% | 10% | 6% | 13% | 1% | 2% | 14% | 6% | 7% | 11% | — | 5% | Other 1%None of these 4%No opinion 5% |
| Fox News | 384 | ± 5% | April 13–15, 2014 | 14% | 15% | 7% | — | 2% | — | 14% | 5% | 8% | 9% | 5% | 5% | Other 1%None 6%Don't know 9% |
| McClatchy-Marist | 416 | ± 4.8% | April 7–10, 2014 | 13% | 12% | 4% | 13% | 4% | <1% | 12% | 3% | 7% | 12% | 3% | 5% | Other/Undecided 14% |
| WPA Research | 801 | ± ? | March 18–20, 2014 | 11% | 9% | 9% | 13% | 3% | — | 13% | 1% | 6% | 6% | 3% | 5% | Other/Undecided 21% |
| CNN/ORC | 801 | ± 5% | March 7–9, 2014 | 9% | 8% | 8% | 10% | — | — | 16% | 11% | 5% | 15% | 3% | — | Other 6%None/No one 4%No opinion 5% |
| Public Policy Polling | 542 | ± 4.2% | March 6–9, 2014 | 15% | 14% | 11% | 18% | 4% | — | 14% | — | 6% | 5% | — | 5% | Other/Not Sure 9% |
| Public Policy Polling | 542 | ± 4.2% | March 6–9, 2014 | 21% | 14% | 13% | — | 5% | — | 15% | — | 8% | 9% | — | 5% | Other/Not Sure 10% |
| McClatchy-Marist | 403 | ± 4.9% | February 4–9, 2014 | 8% | 13% | 5% | 13% | — | 1% | 9% | 2% | 12% | 9% | 2% | 7% | Sarah Palin 8%Undecided 12% |
| McClatchy-Marist | 403 | ± 4.9% | February 4–9, 2014 | 12% | — | 6% | 15% | — | 1% | 11% | 3% | 15% | 13% | 4% | 8% | Undecided 14% |
| CNN/ORC | ? | ± 5% | January 31 –February 2, 2014 | 10% | 10% | 8% | 14% | — | — | 13% | 8% | 9% | 9% | 4% | — | Other 8%None/No one 3%No opinion 4% |
| Public Policy Polling | 457 | ± 4.6% | January 23–26, 2014 | 14% | 13% | 8% | 16% | 5% | — | 11% | — | 8% | 8% | — | 6% | Other/Not Sure 10% |
| Public Policy Polling | 457 | ± 4.6% | January 23–26, 2014 | 18% | 17% | 11% | — | 5% | — | 13% | — | 8% | 9% | — | 7% | Other/Not Sure 11% |
| Washington Post-ABC News | 457 | ± 5% | January 20–23, 2014 | 18% | 13% | 12% | — | — | — | 11% | — | 10% | 20% | — | — | Other 2%None/no-one 5%Undecided 9% |
| Quinnipiac | 813 | ± 3.4% | January 15–19, 2014 | 11% | 12% | 9% | — | 3% | 2% | 13% | — | 8% | 13% | — | 6% | Wouldn't vote 1%Don't know 22% |
| NBC News/Marist | 358 | ± 5% | January 12–14, 2014 | 8% | 16% | 5% | — | 3% | — | 9% | 6% | 7% | 12% | 5% | 4% | Undecided 25% |

### Polls conducted in 2013 and 2012

| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Chris Christie | Ted Cruz | Bobby Jindal | Rand Paul | Rick Perry | Marco Rubio | Paul Ryan | Rick Santorum | Scott Walker | Others |
| Fox News | 376 | ± 5% | December 14–16, 2013 | 12% | 16% | 12% | — | 11% | 3% | 8% | 12% | 3% | 6% | Other 1%None 5%Don't know 11% |
| Public Policy Polling | 600 | ± 3.9% | December 12–15, 2013 | 10% | 19% | 14% | 3% | 11% | — | 7% | 10% | — | 4% | Mike Huckabee 13%Other/Not Sure 10% |
| Public Policy Polling | 600 | ± 3.9% | December 12–15, 2013 | 12% | 23% | 15% | 4% | 12% | — | 8% | 11% | — | 6% | Other/Not Sure 10% |
| Fairleigh Dickinson University | 343 | ± ?% | December 9–15, 2013 | — | 18% | 14% | — | 15% | — | 11% | — | — | 4% | Other 16%Don't know 21% |
| Quinnipiac | 1,182 | ± 1.9% | December 3–9, 2013 | 11% | 17% | 13% | 3% | 14% | — | 7% | 9% | — | 5% | John Kasich 2%Other 2%Wouldn't vote 1%Don't know 17% |
| McClatchy-Marist | 419 | ± 4.8% | December 3–5, 2013 | 10% | 18% | 10% | — | 12% | 3% | 7% | 11% | 4% | 4% | Sarah Palin 8%Undecided 13% |
| CNN/ORC | 418 | ± 5% | November 18–20, 2013 | 6% | 24% | 10% | — | 13% | 7% | 9% | 11% | 6% | — | Other 6%None/No-one 2%No opinion 6% |
| NBC News | 428 | ± 5.5% | November 7–10, 2013 | — | 32% | — | — | — | — | — | — | — | — | Another Republican 31%Wouldn't vote 1%Don't know 35% |
| Rasmussen | ? | ± ? | November 7–8, 2013 | 12% | 22% | 12% | — | 20% | — | 16% | — | — | 5% | Don't know 13% |
| Public Policy Polling | 629 | ± 3.9% | October 29–31, 2013 | 12% | 15% | 14% | 5% | 13% | — | 9% | 9% | 4% | — | Sarah Palin 7%Other/Not Sure 12% |
| Public Policy Polling | 629 | ± 3.9% | October 29–31, 2013 | 14% | 16% | 15% | 6% | 16% | — | 10% | 11% | 5% | — | Other/Not Sure 8% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Chris Christie | Ted Cruz | Bobby Jindal | Susana Martinez | Rand Paul | Rick Perry | Marco Rubio | Paul Ryan | Rick Santorum | Scott Walker | Others |
| Quinnipiac | | | September 23–29, 2013 | 11% | 13% | 10% | 3% | — | 17% | — | 12% | 10% | — | 4% | Don't know 20% |
| Public Policy Polling | 743 | ± 3.6% | September 25–26, 2013 | 11% | 14% | 20% | — | 4% | 17% | — | 10% | 10% | 3% | 3% | Other/Not sure 9% |
| CNN/ORC | 452 | ± 4.5% | September 6–8, 2013 | 10% | 17% | 7% | — | — | 13% | 6% | 9% | 16% | 5% | — | Other 6%None/no-one 4%Not sure 6% |
| Rasmussen | 1,000 | ± 3% | August 1–2, 2013 | 16% | 21% | — | — | — | 15% | — | 18% | 13% | — | 6% | Other 3%Not Sure 8% |
| Public Policy Polling | 500 | ± 4.3% | July 19–21, 2013 | 13% | 13% | 12% | 4% | 2% | 16% | — | 10% | 13% | 4% | — | Other/Not Sure 13% |
| McClatchy-Marist | 357 | ± 5.2% | July 15–18, 2013 | 10% | 15% | 7% | 1% | 1% | 9% | 4% | 12% | 13% | 2% | 2% | Other/Not Sure 25% |
| Public Policy Polling | 806 | ± 3.5% | May 6–9, 2013 | 15% | 15% | 7% | 3% | 1% | 14% | — | 16% | 9% | 5% | — | Other/Not Sure 15% |
| FarleighDickinsonUniversity | 323 | ± 5.5% | April 22–28, 2013 | 16% | 14% | — | — | — | — | — | 18% | — | 9% | — | Other 21%Not sure 22% |
| Quinnipiac | 712 | ± 3.7% | March 26–April 1, 2013 | 10% | 14% | — | 3% | — | 15% | — | 19% | 17% | — | 2% | Bob McDonnell 1%Other 1%Other/Not Sure 18% |
| Public Policy Polling | 1,125 | ± 2.9% | March 27–30, 2013 | 12% | 15% | — | 4% | 1% | 17% | 2% | 21% | 12% | 5% | — | Other 1%Other/Not Sure 10% |
| Poll source | Sample size | Margin of error | Date(s) administered | Jeb Bush | Chris Christie | Mike Huckabee | Bobby Jindal | Susana Martinez | Rand Paul | Rick Perry | Marco Rubio | Paul Ryan | Rick Santorum | Others |
| Public Policy Polling | 508 | ± 4.4% | January 31 –February 3, 2013 | 13% | 13% | 11% | 4% | 1% | 10% | 3% | 22% | 15% | — | Other/Not Sure 8% |
| Public Policy Polling | 563 | ± 4.1% | January 3–6, 2013 | 14% | 14% | 15% | 3% | 2% | 5% | 2% | 21% | 16% | — | Other/Not Sure 7% |
| Public Policy Polling | 475 | ± 4.5% | November 30 – December 2, 2012 | 12% | 14% | 11% | — | — | 7% | — | 18% | 12% | 4% | Condoleezza Rice 8%Sarah Palin 7%Other/Not Sure 7% |
| Public Policy Polling | 742 | ± 3.6% | April 12–15, 2012 | 17% | 21% | 17% | 3% | — | 4% | — | 10% | 7% | 12% | Other/Not Sure 10% |