2020 U.S. presidential election
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This is a list of nationwide and statewide public opinion polls that have been conducted relating to the Republican primaries for the 2020 United States presidential election. The persons named in the polls are declared candidates or have received media speculation about their possible candidacy. The polls included are among Republicans or Republicans and Republican-leaning independents. If multiple versions of polls are provided, the version among likely voters is prioritized, then registered voters, then adults.

Background

See also: 2020 Republican Party presidential primaries § Timeline

This section is transcluded from 2020 Republican Party presidential primaries. (edit | history)
Mark Sanford 2020 presidential campaignJoe Walsh 2020 presidential campaignBill Weld 2020 presidential campaignRocky De La Fuente#2020 presidential campaignDonald Trump 2020 presidential campaign
Nominee Exploratory committee Withdrawn candidate
Midterm elections Iowa caucuses Super Tuesday Republican convention

National polling

Polling Aggregation
Source of poll aggregation Date
updated 		Dates
polled 		Donald
Trump 		Bill
Weld 		Joe
Walsh 		Other and
undecided[a]
270 to Win Feb 19, 2020 ,Feb 18 – 19, 2020 91.0% 5.0% -
RealClearPolitics Feb 11, 2020 Dec 10, 2019 – Feb 11, 2020 89.3% 4.0% 3.5%
Average 90.2% 4.5% 3.5% 1.8%

From February 2020

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Rocky De
La Fuente 		Donald
Trump 		Bill
Weld 		Other Undecided
Emerson College Mar 18-19 423 (LV) – – 94% 6% – –
Mar 18 Weld withdraws from the race
Mar 17 Florida and Illinois primaries; Trump becomes presumptive nominee
Mar 11 COVID-19 declared a pandemic by the World Health Organization; national emergency declared Mar 13
Mar 10 Idaho, Michigan, Mississippi, Missouri and Washington primaries
Mar 3 Super Tuesday
YouGov/Economist Mar 1-3 232 (LV) – 1% 94% 2% 0%[c] 2%
YouGov/Economist Feb 23-25 385 (LV) – 1% 92% 2% 1%[d] 3%
YouGov/Economist Feb 17-18 358 (LV) – 2% 91% 1% 0%[c] 5%
Emerson College Feb 16-18 482 (LV) – – 91% 9% – –
YouGov/Yahoo News Feb 12-13 610 (LV) –[e] – 82% – 13%[f] 4%
Feb 11 New Hampshire primary
YouGov/Economist Feb 9-11 349 (LV) – 2% 90% 5% 1%[d] 2%
Feb 7 Walsh withdraws from the race
McLaughlin & Associates Archived 2020-02-13 at the Wayback Machine Feb 7-11 479 (LV) – – 87% 6% 0%[g] 7%
YouGov/Economist Feb 2-4 401 (LV) – 0% 89% 1% 3%[h] 7%
Feb 3 Iowa caucuses

From December 2019 to January 2020

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Rocky De
La Fuente 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
YouGov/Economist Jan 26-28 384 (LV) – 1% 89% 3% 2% 1%[d] 4%
Emerson College Archived 2020-05-07 at the Wayback Machine Jan 21-23 412 (LV) – – 92% 2% 6% – –
YouGov/Economist Jan 19-21 459 (LV) – 1% 89% 2% 2% 2%[i] 4%
YouGov/Economist Jan 11-14 362 (LV) – 1% 88% 1% 1% 1%[d] 9%
YouGov/The Economist Jan 5-7 399 (LV) – 1% 87% 1% 2% 1%[d] 7%
YouGov/The Economist Dec 28-31 359 (LV) – 1% 89% 1% 2% 1%[d] 6%
YouGov/Economist Dec 22-24 415 (LV) – 1% 91% 2% 1% 0%[c] 5%
McLaughlin & Associates Archived 2019-12-24 at the Wayback Machine Dec 14-18 399 (LV) – – 83% 2% 3% 0%[j] 11%
Emerson College Archived 2020-04-16 at the Wayback Machine Dec 15-17 492 (LV) – – 90% 5% 5% – –
YouGov/Economist Dec 14-17 354 (LV) – 1% 88% 2% 2% 0%[c] 7%
Suffolk University Dec 10-14 329 (LV) – – 88% 2% 2% 0%[k] 7%
YouGov/Economist Dec 7-10 422 (LV) – – 88% 2% 2% 1%[d] 8%
YouGov/Economist Dec 1-3 417 (LV) – – 89% 2% 3% – 6%

June 2019 to November 2019

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
YouGov/Economist Nov 24-26 402 (LV) – – 89% 2% 3% 1%[d] 6%
RealClear Opinion Research Nov 15-21 780 (LV) – – 89% 6% 1% – 11%
Emerson College Archived 2020-05-22 at the Wayback Machine Nov 17-20 426 (LV) – – 93% 4% 3% – –
YouGov/Economist Nov 17-19 383 (LV) – – 90% 2% 1% – 7%
Nov 12 Sanford withdraws from the race
YouGov/Economist Nov 10-12 352 (LV) – 3% 89% 1% 1% 1%[d] 5%
YouGov/Economist Nov 3-5 402 (LV) – 1% 87% 1% 3% 1%[d] 8%
YouGov/Economist Oct 27-29 464 (LV) – 3% 83% 2% 2% 1%[d] 9%
Suffolk University/USA Today[1] Oct 23-26 323 (LV) ± 5.5% 1% 85% 1% 2% – 11%
YouGov/Economist Oct 20-22 404 (LV) – 3% 87% 1% 1% 1%[d] 8%
McLaughlin and Associates Archived 2019-10-25 at the Wayback Machine Oct 17-22 411 – 1% 76% 1% 2% 9%[l] 12%
Emerson College Oct 18-21 378 ± 4.9% 3% 91% 2% 5% – –
Ipsos Oct 17-18 507 ± 5.7% 1% 79% 1% 1% 8%[m] 11%
YouGov/Economist Oct 10–13 354 – 2% 86% 2% 3% – 5%
YouGov/Economist Oct 6–8 473 ± 2.9% 1% 84% 3% 3% – 8%
YouGov/Economist Sep 28 – Oct 1 360 ± 2.6% 3% 86% 2% 2% – 7%
Quinnipiac University Archived 2019-09-25 at the Wayback Machine Sep 19–23 568 ± 4.9% 2% 80% 2% 2% 1% 12%
Emerson College Archived 2020-02-03 at the Wayback Machine Sep 21–23 363 ± 5.1% 3% 89% 5% 4% – –
Fox News Sep 15–17 341 ± 5.0% 2% 86% 2% 2% 1% 5%
YouGov/Economist Sep 14–17 416 ± 2.7% 2% 86% 1% 5% 1% 5%
Emerson College Sep 13–16 208 ± 3.3% 6% 86% 4% 4% – –
Public Religion Research Institute Aug 22 – Sep 15 957 ± 2.8% – 74% – 10% 13% 3%[n]
HarrisX Sep 9–12 1,175 – 2% 76% 2% 2% 4% 14%
Democracy Corps Sep 7–11 315 – 4% 85% 5% 2% 1% 4%
YouGov/Economist Sep 8–10 393 ± 2.7% 3% 82% 1% 4% 2% 7%
McLaughlin & Associates Archived 2019-09-12 at the Wayback Machine Sep 7–10 416 – 3% 76% 1% 3% – 17%
Sep 8 Sanford announces his candidacy
Emerson College Archived 2020-04-19 at the Wayback Machine Aug 24–26 482 ± 2.5% – 84% – 16% – –
HarrisX Aug 23–26 1,194 – – 76% 5% 3% 6% 10%
Aug 25 Walsh announces his candidacy
Suffolk University Aug 20–25 289 – – 90% – 5% – 5%
McLaughlin & Associates Archived 2019-07-31 at the Wayback Machine Jul 23–28 415 ± 4.0% 4% 81% – 2% – 14%
Democracy Corps Jul 18–28 354 ± 4.0% 4% 89% – 4% – 3%
Emerson College Archived 2020-01-27 at the Wayback Machine Jun 21–24 407 ± 4.9% – 83% – 17% – –
McLaughlin & Associates Archived 2019-06-26 at the Wayback Machine Jun 18–24 417 - – 79% – 7% – 13%
Suffolk University/USA Today Jun 11–15 326 – – 90% – 5% – 5%

November 2018 to May 2019

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Jeb
Bush 		Bob
Corker 		Ted
Cruz 		Jamie
Dimon 		Jeff
Flake 		Nikki
Haley 		Larry
Hogan 		John
Kasich 		Mike
Pence 		Mitt
Romney 		Paul
Ryan 		Ben
Sasse 		Donald
Trump 		Bill
Weld 		Other Undecided
HarrisX May 23–25 785 ± 4.0% – – – – – – – – – – – – 73% 7% 5% 13%
Change Research May 18–21 1,248 ± 2.8% – 2% – – – – – – – – – – 94% – – 4%
– – – – – 7% – – – – – – 87% – – 6%
– – – – – – – 3% – – – – 94% – – 3%
May 16 De La Fuente announces his candidacy
Emerson College Archived 2020-02-17 at the Wayback Machine May 10–13 384 ± 5.0% – – – – – – – – – – – – 86% 14% – –
McLaughlin & Associates Archived 2019-05-15 at the Wayback Machine May 7–11 330 – – – – – – – 1% 5% – – – – 77% 3% – 14%
Zogby Analytics Archived 2020-11-08 at the Wayback Machine May 2–9 463 – – – – – – – – – – – – – 81% 4% 10% 6%
Quinnipiac University Apr 26–29 419 ± 5.6% – – – – – – 3% – – – – – 84% 3% 1% 8%
HarrisX Apr 26–28 641 ± 4.0% – – – – – – – – – – – – 75% 7% 4% 11%
Morning Consult Apr 19–21 641 ± 4.0% – – – – – – – – – – – – 78% 7% – 15%
Ipsos/Reuters Apr 18–19 344 ± 5.9% – – – 1% 1% 5% – 4% 10% – – – 60% – 2% 16%
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2020-04-14 at the Wayback Machine Apr 11–14 324 ± 5.4% – – – – – – – – – – – – 85% 15% – –
Ipsos/Reuters Mar 25–26 362 ± 5.9% – – – 1% 0% 3% – 5% 8% – – – 63% – 4% 16%
Morning Consult Mar 22–24 638 ± 4.0% – – – – – – 9% – – – – – 73% – – 18%
– – – – – – – 13% – – – – 72% – – 16%
– – – – – – – – – – – – 74% 8% – 18%
McLaughlin & Associates Archived 2019-03-25 at the Wayback Machine Mar 20–24 418 – – – – – – – – 5% – – – – 80% 1% – 14%
Emerson College Mar 17–18 483 – – – – – – – – – – – – – 90% 10% – –
Ipsos/Reuters Mar 5–11 756 ± 4.1% – 1% – 0% 0% 3% – 3% – 9% – 0% 69% – 2% 13%
Monmouth University Mar 1–4 339 ± 5.3% – – – – – – 6% – – – – – 75% – – 16%
– – – – – – – – – – – – 74% 8% – 18%
Ipsos/Reuters Feb 26 – Mar 4 1,086 ± 3.4% – 1% – 0% 1% 5% – 3% – 9% – 1% 66% – 3% 13%
Ipsos/Reuters Feb 19–25 1,138 ± 3.3% – 0% – 1% 1% 4% – 4% – 8% – 1% 65% – 3% 14%
Ipsos/Reuters Feb 12–18 1,040 ± 3.5% – 0% – 1% 1% 3% – 4% – 8% – 1% 69% – 2% 12%
Emerson College Archived 2020-04-30 at the Wayback Machine Feb 14–16 366 ± 5.1% – – – – – – – – – – – – 85% 15% – –
FOX News Feb 10-12 432 (A) ±4.5% – – – – – – – – – – – – 72% – 17% 11%
McLaughlin & Associates Archived 2019-02-15 at the Wayback Machine Feb 6–10 413 – – – – – – – – 6% – 10% – – 72% – – 11%
Monmouth University Jan 25–27 335 ± 5.4% – – 21% – – – – – – – – – 66% – – 9%
– – – – – – – 14% – – – – 73% – – 11%
Zogby Analytics Jan 18–20 307 ± 5.6% 2% – – – 1% 6% – 8% – 9% – – 64% – 4% 6%
HarrisX Archived 2019-09-09 at the Wayback Machine Jan 4–5 320 – – – – – – – – – – 17% – – 70% – – 13%
2019
McLaughlin & Associates Archived 2018-12-19 at the Wayback Machine Dec 10–14 392 – – – – – 2% – – 5% – 9% – – 72% – – 12%
Harvard-Harris Nov 27–28 819 – 3% – 5% – 2% 2% – 6% – 6% 5% 1% 44% – 2% 16%
HarrisX Nov 16–17 320 – – – 17% – – – – – – – – – 66% – – 17%
– – – – 9% – – – – – – – 70% – – 21%
– – – – – 13% – – – – – – 69% – – 18%
– – – – – – – 14% – – – – 67% – – 19%
– – – – – – – – – 19% – – 69% – – 12%
– – – – – – – – – – 20% – 65% – – 15%
– – – – – – – – – – – 8% 70% – – 21%

Before November 2018

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Bob
Corker 		Tom
Cotton 		Ted
Cruz 		Jeff
Flake 		Nikki
Haley 		John
Kasich 		Mike
Pence 		Mitt
Romney 		Marco
Rubio 		Ben
Sasse 		Donald
Trump 		Other Undecided
Harvard-Harris Jun 24–25 430 – 15% – – – – – – – – – 85% – –
GQR Research Jan 6–11 374 – – – 4% 1% 4% 3% 11% 5% 5% – 62% 0% 5%
2018
Public Policy Polling Dec 11–12 – – – – 21% – – – – – – – 64% – 15%
– – – 16% – – – – – – 74% – 10%
– – – – – 19% – – – – 70% – 11%
– – – – – – 22% – – – 62% – 15%
Public Policy Polling Oct 27–29 – – – – 27% – – – – – – – 57% – 16%
– – – 14% – – – – – – 70% – 16%
– – – – – 24% – – – – 66% – 11%
– – – – – – 28% – – – 53% – 19%
Public Policy Polling Sep 22–25 – – – – 15% – – – – – – – 68% – 17%
– – – – – 18% – – – – 68% – 13%
– – – – – – 21% – – – 59% – 21%
Fabrizio Lee Aug 2017 1,500 ± 2.5% – 1% 13% – – 10% – – – 1% 54% – 20%
Public Policy Polling Aug 18–21 – – – – 22% – – – – – – – 62% – 17%
– – – – – 21% – – – – 68% – 11%
– – – – – – 24% – – – 52% – 23%
Opinion Savvy Aug 16–17 220 ± 6.6% – – 8% – – 17% – – – – 68% – 7%
221 ± 6.6% – – 12% – – 15% 65% – – – – – 8%
Marist College Aug 8–12 361 ± 5.2% – – – – – 23% – – – – 64% – 10%
– – – – – – 33% – – – 56% – 8%

Against unnamed primary challenger

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Other Undecided
Rasmussen Reports May 10–11, 2020 < 1000 (LV)[o] – 70% 23%[p] 7%
Morning Consult/Politico Feb 28 - Mar 1 2020 718 (LV) – 91% 7% 2%
Morning Consult/Politico Jan 4–5, 2020 700 (RV) – 87% 10% 3%
ABC News/Washington Post Oct 27-30 388 (A) ±6% 67% 30% 3%
FOX News Oct 27-30 388 (A) ±6% 78% 15% 7%
FOX News Oct 6-8 367-376(LV) ±6% 77% 17% 6%
Morning Consult Jun 29 – Jul 1 483 ± 4.0% 83% 15% 3%
Morning Consult Jun 29 – Jul 1 541 ± 4.0% 83% 15% 2%
Morning Consult Jun 21–24 698 ± 4.0% 87% 12% 1%
Morning Consult Jun 20–23 639 ± 4.0% 87% 10% 3%
Morning Consult Jun 14–16 693 ± 4.0% 86% 13% 2%
Morning Consult Jun 7–9 659 ± 4.0% 84% 13% 3%
Morning Consult May 31 – Jun 2 672 ± 4.0% 83% 14% 3%
Change Research May 18–21 1,248 ± 2.8% 95% 4% –
Morning Consult May 10–12 695 ± 4.0% 84% 15% 3%
Morning Consult May 3–6 680 ± 4.0% 85% 13% 2%
Morning Consult Apr 28–29 692 ± 4.0% 84% 13% 2%
Morning Consult Apr 19–21 641 ± 4.0% 79% 18% 4%
Morning Consult Apr 12–14 367 – 83% 15% 2%
358 – 82% 15% 3%
Morning Consult Apr 1–7 11,986 ± 1.0% 76% 20% –
Morning Consult Mar 25–31 11,549 ± 1.0% 78% 20% –
Morning Consult Mar 18–24 12,090 ± 1.0% 77% 19% –
Morning Consult Mar 11–17 11,542 ± 1.0% 78% 20% –
Morning Consult Mar 4–10 13,682 ± 1.0% 77% 20% –
Morning Consult Feb 25 – Mar 3 11,154 ± 1.0% 77% 20% –
Morning Consult Feb 18–24 13,782 ± 1.0% 77% 20% –
Morning Consult Feb 11–17 13,974 ± 1.0% 77% 21% –
Morning Consult Feb 4–10 10,685 ± 1.0% 77% 20% –
2019
Public Religion Research Institute Sep 17 – Oct 1 927 – 66% 33% 1%
Saint Leo University May 25–31 – – 63% 24% 13%
USC Dornsife/LAT Dec 15 – Jan 15 1,530 ± 3.0% 75% 25% –
Emerson College Jan 8–11 198 – 68% 18% 14%
2018
Public Policy Polling Dec 11–12 – – 70% 24% 6%
Public Religion Research Institute Oct 18–30 846 – 59% 34% 7%
Public Policy Polling Oct 27–29 – – 57% 36% 8%
Public Policy Polling Sep 22–25 – – 61% 27% 12%
Public Policy Polling Aug 18–21 – – 57% 29% 13%

Statewide polling

The statewide polls are ordered by the scheduled date of the state's primary or caucus. Polls with a sample size of <100 have their 'sample size' cells marked in red to indicate a lack of reliability.

Iowa caucus

The Iowa Republican caucus took place on Monday, February 3, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Michael
Bloomberg 		John
Kasich 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
Iowa caucuses (first alignment vote) Feb 3, 2020 – – – – 97.1% 1.1% 1.3% 0.5% –
Emerson College Oct 13–16, 2019 286 – – – 93% 2% 4% 1%[q] –
Aug 25 Walsh announces his candidacy
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2020-05-20 at the Wayback Machine Mar 21–24, 2019 207 ± 6.9% 8% – 93% – – – –
– – 90% – 10% – –
Emerson College Jan 30 – Feb 2, 2019 280 – – 10% 90% – – – –

New Hampshire primary

The New Hampshire Republican primary took place on Tuesday, February 11, 2020.[1]

Polling Aggregation
Source of poll aggregation Date Updated Dates polled Donald Trump Bill Weld Joe Walsh Undecided[a]
270 to Win Dec 11, 2019 Nov 26 - Dec 11, 2019 79.0% 11.0% 3.5% 6.5%

Since July 2019

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Rocky De
La Fuente 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
New Hampshire primary (popular vote) Feb 11, 2020 – – 0.1% 84.4% 0.5% 9% 5.9%[r] –
Emerson College Feb 8–9, 2020 500 (LV) ±4.3% – 84% – 16% – –
University of New Hampshire/CNN Feb 6–9, 2020 212 (LV) ±6.7% – 90% No voters 7% 1%[s] 1%
RKM Research and Communications Inc./Boston Herald/FPU/NBC10[2] Feb 5–8, 2020 440 (LV) ±4.7% 3% 71% 6% 8% 3% 11%
University of New Hampshire/CNN Feb 5–8, 2020 227 (LV) ±6.5% – 91% No voters 5% 2%[t] 2%
Feb 7, 2020 Walsh withdraws from the race
University of New Hampshire/CNN Feb 4–7, 2020 203 (LV) ±6.9% – 91% No voters 5% 2%[t] 3%
Marist College/NBC News Feb 4–6, 2020 441 (LV) ±5.8% – 88% 1% 7% 1% 2%
Feb 3, 2020 Iowa caucuses
RKM Research and Communications Inc./Boston Herald/FPU/NBC10[3] Jan 29-Feb 1, 2020 438 (LV) ± 4.7% 1% 72% 3% 7% 7% 10%
RKM Research & Communications Inc./Boston Herald/FPU/NBC10 Jan 23–26, 2020 407 (LV) – 1% 72% 3% 7% – 9%
Marist College/NBC News Jan 20–23, 2020 450 (LV) ± 5.5% – 87% 2% 8% 1% 2%
University of New Hampshire/CNN Jan 16–23, 2020 394 (LV) ± 4.9% – 90% 1% 4% 2%[u] 3%
RKM Research and Communications Inc./Boston Herald/FPU/NBC10 Jan 8–12, 2020 402 (LV) – 2% 79% 4% 4% 3% 3%
MassINC Polling Group/WBUR Dec 3–8, 2019 365 (LV) ± 5.1% – 74% 4% 9% 9%[v] 4%[n]
Emerson College Nov 22–26, 2019 440 (LV) – – 84% 3% 13% 0% –
University of New Hampshire/CNN Oct 21–27, 2019 461 (LV) ± 4.6% – 86% 1% 5% 4%[w] 4%
RKM Research and Communications Inc./Boston Herald/FPU Oct 9–13, 2019 405 ± 4.9% – 71% 5% 14% 3%[x] 7%
RKM Research and Communications Inc./Franklin Pierce University/Boston Herald Sep 4–10, 2019 414 – – 88% 1% 3% 1% 7%
Emerson College Archived 2019-09-10 at the Wayback Machine Sep 6–9, 2019 379 – – 80% 7% 13% – –
Aug 25, 2019 Walsh announces his candidacy
University of New Hampshire Survey Center/CNN Jul 8–15, 2019 289 (LV) ± 5.8% – 86% – 7% 2% 5%
May 16, 2019 De La Fuente announces his candidacy
Monmouth University May 2–7, 2019 427 ± 4.8% – 72% – 12% 1% 2%

Before May 2019

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Tom
Cotton 		Ted
Cruz 		Jeff
Flake 		Larry
Hogan 		John
Kasich 		Mike
Pence 		Mitt
Romney 		Marco
Rubio 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
Suffolk University Apr 25–28, 2019 394 ± 4.9% – – – 0% 9% – – – 70% – 8% – 12%
– – – – – – – – 72% – 17% – 10%
University of New Hampshire Apr 10–18, 2019 208 ± 6.8% – – – 1% 10% – – – 76% – 5% – 8%
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
University of New Hampshire Feb 18–26, 2019 218 ± 6.6% – – – – 17% – – – 68% – 3% – 12%
Emerson College Archived 2019-02-23 at the Wayback Machine Feb 21–22, 2019 328 ± 5.4% – – – – – – – – 82% – 18% – –
Praecones Analytica Jan 16–21, 2019 330 – – – – – – – 24% – 70% – – – 6%
Suffolk University Apr 26–30, 2018 315 ± 5.5% – – 15% – – – – – 72% – – – 13%
– – – – 23% – – – 68% – – – 8%
– – – – – – 28% – 63% – – – 9%
– – – – – – – 23% 66% – – – 11%
University of New Hampshire Apr 13–22, 2018 202 ± 6.8% – – – – 19% – – – 67% – – 0% 14%
American Research Group Mar 21–27, 2018 420 ± 5.0% – – 4% – 34% – – – 51% – – – 11%
– – 33% – – – – – 49% – – – 18%
– – – – 42% – – – 48% – – – 9%
5% 7% 11% – 36% – – – – – – – 41%
American Research Group Aug 4–6, 2017 600 ± 4.0% – – – – 52% – – – 40% – – – 8%
– – – – 52% 27% – – – – – – 32%
Against unnamed primary challenger
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Other Undecided
University of New Hampshire Apr 10–18, 2019 208 ± 6.8% 63% 14% 23%
University of New Hampshire Feb 18–26, 2019 218 ± 6.6% 56% 15% 29%
University of New Hampshire Aug 2–19, 2018 199 ± 6.9% 56% 20% 24%
University of New Hampshire Apr 13–22, 2018 202 ± 6.8% 55% 19% 27%
University of New Hampshire Jan 28 – Feb 10, 2018 157 ± 7.8% 60% 18% 23%
University of New Hampshire Oct 3–15, 2017 191 ± 7.1% 47% 23% 30%

Nevada caucus

The Nevada caucus was cancelled by the Nevada Republican Party in a vote on September 7, 2019.[2]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Undecided
Feb 7, 2020 Walsh withdraws from the race
Nov 12, 2019 Sanford withdraws from the race
Emerson College Oct 31–Nov 3, 2019 409 (LV) – 2% 92% 3% 3% –
Sep 8, 2019 Sanford announces his candidacy
Sep 7, 2019 The Nevada Republican Party votes to cancel their caucus.
Aug 25, 2019 Walsh announces his candidacy
Apr 15, 2019 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2019-04-20 at the Wayback Machine Mar 28–30, 2019 263 ± 6.1% – 92% – 8% –

South Carolina primary

The South Carolina primary was cancelled in a vote by the South Carolina Republican Party on September 7, 2019.[2]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Bob
Corker 		Jeff
Flake 		Nikki
Haley 		John
Kasich 		Mark

Sanford

Donald
Trump 		Bill
Weld 		Undecided
Nov 12 Sanford withdraws from the race
Sep 8 Sanford announces his candidacy
Sep 7 The South Carolina Republican Party votes to cancel their primary.
Change Research [4] Aug 9–12, 2019 568 (LV) ± 4.3% – – 14% – – 79% – –
– – – – 2% 95% – –
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2019-04-27 at the Wayback Machine Feb 28 – Mar 2, 2019 380 ± 5.1% – – – – 90% 10% –
Change Research Feb 15–18, 2019 720 – 2% – – – 91% – 8%
– 2% – – 93% – 5%
– – 21% – 67% – 11%
– – – 3% 91% – 6%
– – – – 90% 3% 7%
Against unnamed primary challenger
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Other Undecided
Change Research Jun 11–14, 2019 1,183 ± 2.9% 95% 5% –

California primary

The California Republican primary took place on Tuesday, March 3, 2020.[1]

Since June 2019
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark

Sanford

Donald
Trump 		Bill
Weld 		Joe

Walsh

Other Undecided
Feb 7, 2020 Walsh withdraws from the race
CNN/SSRS Dec 4–8, 2019 298 (LV) ± 6.7% – 85% 3% 3% 2%[y] 8%
Nov 12, 2019 Sanford withdraws from the race
Emerson College Sep 13–18, 2019 208 (LV) – 6% 86% 4% – 4% -
Sep 8, 2019 Sanford announces his candidacy
Aug 25, 2019 Walsh announces his candidacy
April 2019 to May 2019
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Nikki
Haley 		John
Kasich 		Donald
Trump 		Bill
Weld 		Undecided
Change Research May 25–28, 2019 989 ± 3.1% 5% – 86% – 8%
– 3% 90% – 7%
– – 91% 3% 6%
Apr 15, 2019 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Change Research Apr 6–9, 2019 853 – 5% – 83% – 12%
– 4% 83% – 14%
Against unnamed primary challenger
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Other Undecided
Change Research May 25–28, 2019 989 ± 3.1% 94% 7% –
Change Research Apr 6–9, 2019 853 – 88% 12% –

Colorado primary

The Colorado Republican primary took place on Tuesday, March 3, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Bill
Weld 		Undecided
Emerson College Archived 2019-08-20 at the Wayback Machine Aug 16–19, 2019 339 ± 5.3% 86% 14% –
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Against unnamed primary challenger
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Other Undecided
Magellan Strategies Jan 30–31 and Feb 4, 2019 622 ± 3.9% 78% 17% 5%

Massachusetts primary

The Massachusetts Republican primary took place on Tuesday, March 3, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Charlie
Baker 		Jeff
Flake 		John
Kasich 		Mike
Pence 		Mitt
Romney 		Paul
Ryan 		Donald
Trump 		Bill
Weld 		Other Undecided
MassINC Polling Group/WBUR Feb 23 - 26, 2020 374 (LV) ± 5.1% – – – – – – 83% 14% 2%[z] 2%[aa]
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2019-04-20 at the Wayback Machine Apr 4–7, 2019 183 ± 7.2% – – – – – – 82% 18% – –
YouGov/UMass Amherst Nov 7–14, 2018 227 – 30% 1% 3% – 7% 2% 40% – – 16%
225 – 33% 1% 7% 26% 8% 2% – – – 22%

North Carolina primary

The North Carolina Republican primary took place on Tuesday, March 3, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
High Point University Archived 2020-03-02 at the Wayback Machine Feb 21 – 28, 2020 246 (LV) – 91% 4% 3% – 2%[ab]
Marist College Feb 23 – 27, 2020 410 (LV) ± 5.4% 93% – 6% <1% 1%
Meredith College Feb 16 – 24, 2020 353 (LV) – 85% 3.1% 2% 0.9%[ac] 9.1%[ad]
SurveyUSA Feb 13 – 16, 2020 501 (LV) ± 3% 91% – 5% – 5%
Feb 7, 2020 Walsh withdraws from the race
High Point University Archived 2020-02-12 at the Wayback Machine Jan 31 – Feb 6, 2020 198 (LV) – 91% 4% 1% – 4%
Aug 25, 2019 Walsh announces his candidacy
Emerson College Archived 2019-06-04 at the Wayback Machine May 31 – Jun 3, 2019 336 – 88% – 12% – –

Texas primary

The Texas Republican primary took place on Tuesday, March 3, 2020.[1]

Polling Aggregation
Source of poll aggregation Date Updated Dates polled Donald Trump Mark Sanford Joe Walsh Bill Weld Undecided[a]
270 to Win Nov 24, 2019 Nov 18, 2019 78.0% 4.0% 1.0% 1.0% 13.0%
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
Marist College Feb 21 - 27, 2020 621 (LV) ±5.1% – 94% – 4% <1% 2%
University of Texas at Tyler/DMN Feb 17 - 26, 2020 567 (LV) ± 4.12% – 86% – 6% – 8%
Feb 7, 2020 Walsh withdraws from the race
University of Texas at St Tyler/Dallas News Archived 2020-02-02 at the Wayback Machine Jan 21–30, 2020 445 (LV) ± 4.65% – 88% 4% 2% – 6%
CNN/SSRS Dec 4–8, 2019 537 (LV) ± 5% – 86% 4% 3% 2%[y] 4%
University of Texas at Tyler Nov 5–14, 2019 597 (RV) - 4% 78% 1% 1% – –
Nov 12, 2019 Sanford withdraws from the race
Sep 8, 2019 Sanford announces his candidacy
Aug 25, 2019 Walsh announces his candidacy
Emerson College Aug 1–3, 2019 482 – – 90% – 10% – –
Emerson College Archived 2019-07-03 at the Wayback Machine Apr 25–28, 2019 344 ± 5.3% – 87% – 13% – –

Utah primary

The Utah Republican primary took place in Tuesday, March 3, 2020.[1]

Against unnamed primary challenger
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Other Undecided
Dan Jones & Associates/Salt Lake Chamber of Commerce October 3–10, 2019 600 (LV) ± 4% 75% 22%[ae] –
Dan Jones & Associates/Salt Lake Chamber of Commerce June 11 – July 1, 2019 801 (LV) – 70% 28%[ae] –

Vermont primary

The Vermont Republican primary took place on Tuesday, March 3, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Rocky De
La Fuente 		Donald
Trump 		Bill
Weld 		Other Undecided
Braun Research/VPR/VT PBS Feb 4–10, 2020 166 (LV) ± 7.6% 1% 85% 6% 2%[af] 7%

Wyoming caucuses

The last presidential cycle's Wyoming caucuses took place on March 1 in 2016 and would, if scheduled for Super Tuesday in 2020, take place on March 3, 2020. Instead, the Wyoming Republican state convention was scheduled for May 9, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Undecided
Feb 7, 2020 Walsh withdraws from the race
Nov 12, 2019 Sanford withdraws from the race
Montana State University Billings Archived 2019-10-25 at the Wayback Machine Oct 7–16, 2019 67 (LV) – No voters 91% <1% <1% 8%

Michigan primary

The Michigan Republican primary took place on Tuesday, March 10, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Undecided
YouGov/University of Wisconsin-Madison Feb 11 – 20, 2020 426 (LV) – – 97% 0% 1% 2%
Feb 7, 2020 Walsh withdraws from the race
Nov 12, 2019 Sanford withdraws from the race
Emerson College Oct 31–Nov 3, 2019 2% 92% 3% 3% -
Sep 8, 2019 Sanford announces his candidacy
Aug 25, 2019 Walsh announces his candidacy
Apr 15, 2019 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2019-03-10 at the Wayback Machine Mar 7–10, 2019 306 ± 5.6% - 89% - 11% –

Illinois primary

The Illinois Republican primary took place on Tuesday, March 17, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Bill
Weld 		Other Undecided
Southern Illinois University/Paul
Simon Public Policy Institute 		Feb 10 - 17, 2020 232 (LV) ± 6.4% 89% 4% 2%[ag] 5%[ah]

Ohio primary

The Ohio Republican primary took place on Tuesday, March 10, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		John
Kasich 		Mark

Sanford

Donald
Trump 		Joe

Walsh

Bill

Weld

Undecided
Feb 7, 2020 Walsh withdraws from the race
Nov 12, 2019 Sanford withdraws from the race
Emerson College Sep 29–Oct 2, 2019 325 (LV) - 2% 87% 5% 5% -
Sep 8, 2019 Sanford announces his candidacy
Aug 25, 2019 Walsh announces his candidacy
Apr 15, 2019 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Baldwin Wallace University Feb 28 – Mar 9, 2018 261 ± 6.0% 27% - 62% - - –

Florida primary

The Florida Republican primary took place on Tuesday, March 17, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Larry
Hogan 		John
Kasich 		Mark
Sanford 		Donald
Trump 		Marco
Rubio 		Joe
Walsh 		Bill
Weld 		Undecided
FAU-BEPI[5] Mar 5 – 7, 2020 409 (LV) ± 4.8% – – – 92.6% – – 3.8% 3.5%
Feb 7, 2020 Walsh withdraws from the race
Florida Atlantic University Jan 9 – 12, 2020 488 (LV) ± 4.4% – – – 80% – 14% 5% –
Nov 12, 2019 Sanford withdraws from the race
Florida Atlantic University Sep 12–15, 2019 355 ± 5.2% – – 8% 85% – 5% 2% –
Sep 8, 2019 Sanford announces his candidacy
Aug 25, 2019 Walsh announces his candidacy
Florida Atlantic University May 16–19, 2019 394 ± 4.9% 0% 2% – 85% 5% – 1% 7%
Apr 15, 2019 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Against unnamed primary challenger
Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Other Undecided
Saint Leo University May 25–31, 2018 – – 68% 18% 13%

Wisconsin primary

The Wisconsin Republican primary took place on Tuesday, April 7, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Bill
Weld 		Other Undecided
YouGov/University of Wisconsin-Madison Feb 11 – 20, 2020 348 (LV) – 93% 0% 0%[ai] 7%
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2019-04-20 at the Wayback Machine Mar 15–17, 2019 293 – 89% 11% – –

Arizona primary

The Arizona 2016 Republican primary was held on March 22, 2016, but the 2020 primary was cancelled on September 9, 2019.[3]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Other Undecided
Feb 7, 2020 Walsh withdraws from the race
Nov 12, 2019 Sanford withdraws from the race
Emerson College Oct 25–28, 2019 367 (LV) – 5% 88% 3% 4% – –
Sep 9, 2019 The Arizona Republican Party votes to cancel their primary.

Delaware primary

The Delaware Republican primary took place on Tuesday, April 28, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		John
Kasich 		Donald
Trump 		Undecided
Gravis Marketing Jul 24–29, 2018 288 ± 5.8% 9% 67% 25%

Maryland primary

The Maryland Republican primary took place on Tuesday, April 28, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Larry
Hogan 		Donald
Trump 		Undecided
Gonzales Research Apr 29 – May 4, 2019 203 ± 7.0% 24% 68% 8%

Pennsylvania primary

The Pennsylvania Republican primary took place on Tuesday, April 28, 2020.[1]

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Undecided
Mar 18, 2020 Weld withdraws from the race
YouGov/University of Wisconsin-Madison Feb 11 – 20, 2020 462 (LV) – 87% 2% 2% 8%
Feb 7, 2020 Walsh withdraws from the race
Aug 25, 2019 Walsh announces his candidacy
Apr 15 Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College Archived 2019-04-20 at the Wayback Machine Mar 26–28, 2019 311 ± 5.5% 90% – 10% –

Montana primary

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Undecided
Feb 7, 2020 Walsh withdraws from the race
Nov 12, 2019 Sanford withdraws from the race
Montana State University Billings Archived 2019-10-25 at the Wayback Machine Oct 7–16, 2019 99 (LV) – 1% 88% No voters No voters 11%

New Jersey primary

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Undecided
Feb 7, 2020 Walsh withdraws from the race
Emerson College Jan 16–19, 2020 197 (LV) ± 6.9% 93% 4% 4% –

New Mexico primary

Poll source Date(s)
administered 		Sample
size[b] 		Margin
of error 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		Undecided
Feb 7, 2020 Walsh withdraws from the race
Emerson College Jan 3–6, 2020 322 (LV) – 87% 8% 5% –

See also

Notes

  1. ^ a b c Calculated by taking the difference of 100% and all other candidates combined
  2. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak Key:
    A – all adults
    RV – registered voters
    LV – likely voters
    V – unclear
  3. ^ a b c d Would not vote with 0%
  4. ^ a b c d e f g h i j k l Would not vote with 1%
  5. ^ If Pence and Trump were the only candidates
  6. ^ Pence with 13%
  7. ^ Romney, Sanford and Walsh with 0%
  8. ^ Would not vote with 1%; Walsh with 2%
  9. ^ Would not vote with 2%
  10. ^ No voters
  11. ^ Refused with 0%
  12. ^ Romney with 9%
  13. ^ Kasich with 5%; can't/won't vote with 1%; other with 2%
  14. ^ a b Includes "refused"
  15. ^ "Likely Republican" sample not yet released
  16. ^ "Someone else" with 23%
  17. ^ Sanford with 1%
  18. ^ Buttigieg and Klobuchar with 0.7%; Maxwell with 0.6%; Bloomberg and Sanders with 0.5%; Romney with 0.4%; Merrill and Murphy with 0.3%; Matern with 0.2%; Ardini, Boddie, Comley, Kraft and Payne with 0.1%; Ely, Horn, Istvan and Locke with 0%; other write-in candidates with 1.1%
  19. ^ "Would support another candidate" with 1%
  20. ^ a b "Would support another candidate" with 2%
  21. ^ Listed as "Another candidate"
  22. ^ Some other candidate with 4%; would not vote with 5%
  23. ^ Sanford with 1%; other with 3%
  24. ^ Sanford with 1%; other with 2%
  25. ^ a b Someone else with 1%; "no one" with 1%
  26. ^ "Some other candidate" with 2%; would not vote with no voters
  27. ^ Listed as "Don't know/refused"
  28. ^ Listed as "no preference/cannot recall"
  29. ^ "No answer/refused" with 0.9%
  30. ^ "Don't know" with 6.5%; "no preference" with 2.6%
  31. ^ a b Listed as "Time to give someone new a chance to serve" (as opposed to "should be re-elected")
  32. ^ Other with 2%; "refused" with no voters
  33. ^ "Someone else" with 2%
  34. ^ Listed as "other/don't know"
  35. ^ Walsh with 0%

References

  1. ^ a b c d e f g h i j k l m n o p q r Putnam, Josh (January 18, 2019). "The 2020 Presidential Primary Calendar". Frontloading HQ. Retrieved April 1, 2019.
  2. ^ a b Watson, Eleanor (7 September 2019). "Republicans in three states cancel presidential nominating contests for 2020". CBS News. Retrieved 10 September 2019.
  3. ^ Stone, Kevin (9 September 2019). "Arizona GOP won't hold 2020 presidential preference election". KTAR News. Retrieved 30 October 2019.

External links

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