Opinion polling for the 2020 Republican Party presidential primaries

Last updated

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.

Contents

Background

Mark Sanford 2020 presidential campaignJoe Walsh 2020 presidential campaignBill Weld 2020 presidential campaignRocky De La Fuente#2020 presidential campaignDonald Trump 2020 presidential campaignOpinion polling for the 2020 Republican Party presidential primaries
NomineeExploratory committeeWithdrawn candidate
Midterm elections Iowa caucuses Super Tuesday Republican convention

National polling

Polling Aggregation
Source of poll aggregationDate
updated		Dates
polled		 Donald
Trump 		Bill
Weld 		Joe
Walsh 		Other and
undecided [lower-alpha 1]
270 to Win [1] Feb 19, 2020,Feb 18 – 19, 202091.0%5.0%-
RealClearPolitics [2] Feb 11, 2020Dec 10, 2019 – Feb 11, 202089.3%4.0%3.5%
Average90.2%4.5%3.5%1.8%

From February 2020

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		 Rocky De
La Fuente 		Donald
Trump 		Bill
Weld 		OtherUndecided
Emerson College [3] Mar 18–19423 (LV)––94%6%––
Mar 18Weld 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 [4] Mar 1–3232 (LV)–1%94%2%0% [lower-alpha 3] 2%
YouGov/Economist [5] Feb 23–25385 (LV)–1%92%2%1% [lower-alpha 4] 3%
YouGov/Economist [6] Feb 17–18358 (LV)–2%91%1%0% [lower-alpha 3] 5%
Emerson College [7] Feb 16–18482 (LV)––91%9%––
YouGov/Yahoo News [8] Feb 12–13610 (LV)– [lower-alpha 5] –82%–13% [lower-alpha 6] 4%
Feb 11 New Hampshire primary
YouGov/Economist [9] Feb 9–11349 (LV)–2%90%5%1% [lower-alpha 4] 2%
Feb 7Walsh withdraws from the race
McLaughlin & Associates [10] Feb 7–11479 (LV)––87%6%0% [lower-alpha 7] 7%
YouGov/Economist [11] Feb 2–4401 (LV)–0%89%1%3% [lower-alpha 8] 7%
Feb 3 Iowa caucuses

From December 2019 to January 2020

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		 Rocky De
La Fuente 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		OtherUndecided
YouGov/Economist [12] Jan 26–28384 (LV)–1%89%3%2%1% [lower-alpha 4] 4%
Emerson College [13] Jan 21–23412 (LV)––92%2%6%––
YouGov/Economist [14] Jan 19–21459 (LV)–1%89%2%2%2% [lower-alpha 9] 4%
YouGov/Economist [15] Jan 11–14362 (LV)–1%88%1%1%1% [lower-alpha 4] 9%
YouGov/The Economist [16] Jan 5–7399 (LV)–1%87%1%2%1% [lower-alpha 4] 7%
YouGov/The Economist [17] Dec 28–31359 (LV)–1%89%1%2%1% [lower-alpha 4] 6%
YouGov/Economist [18] Dec 22–24415 (LV)–1%91%2%1%0% [lower-alpha 3] 5%
McLaughlin & Associates [19] Dec 14–18399 (LV)––83%2%3%0% [lower-alpha 10] 11%
Emerson College [20] Dec 15–17492 (LV)––90%5%5%––
YouGov/Economist [21] Dec 14–17354 (LV)–1%88%2%2%0% [lower-alpha 3] 7%
Suffolk University [22] Dec 10–14329 (LV)––88%2%2%0% [lower-alpha 11] 7%
YouGov/Economist [23] Dec 7–10422 (LV)––88%2%2%1% [lower-alpha 4] 8%
YouGov/Economist [24] Dec 1–3417 (LV)––89%2%3%–6%

June 2019 to November 2019

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		 Mark
Sanford 		Donald
Trump 		Joe
Walsh 		Bill
Weld 		OtherUndecided
YouGov/Economist [25] Nov 24–26402 (LV)––89%2%3%1% [lower-alpha 4] 6%
RealClear Opinion Research [26] Nov 15–21780 (LV)––89%6%1%–11%
Emerson College [27] Nov 17–20426 (LV)––93%4%3%––
YouGov/Economist [28] Nov 17–19383 (LV)––90%2%1%–7%
Nov 12Sanford withdraws from the race
YouGov/Economist [29] Nov 10–12352 (LV)–3%89%1%1%1% [lower-alpha 4] 5%
YouGov/Economist [30] Nov 3–5402 (LV)–1%87%1%3%1% [lower-alpha 4] 8%
YouGov/Economist [31] Oct 27–29464 (LV)–3%83%2%2%1% [lower-alpha 4] 9%
Suffolk University/USA Today [32] Oct 23–26323 (LV)± 5.5%1%85%1%2%–11%
YouGov/Economist [33] Oct 20–22404 (LV)–3%87%1%1%1% [lower-alpha 4] 8%
McLaughlin and Associates [34] Oct 17–22411–1%76%1%2%9% [lower-alpha 12] 12%
Emerson College [35] Oct 18–21378± 4.9%3%91%2%5%––
Ipsos [36] Oct 17–18507± 5.7%1%79%1%1%8% [lower-alpha 13] 11%
YouGov/Economist [37] Oct 10–13354–2%86%2%3%–5%
YouGov/Economist [38] Oct 6–8473± 2.9%1%84%3%3%–8%
YouGov/Economist [39] Sep 28 – Oct 1360± 2.6%3%86%2%2%–7%
Quinnipiac University [40] Sep 19–23568± 4.9%2%80%2%2%1%12%
Emerson College [41] Sep 21–23363± 5.1%3%89%5%4%––
Fox News [42] Sep 15–17341± 5.0%2%86%2%2%1%5%
YouGov/Economist [43] Sep 14–17416± 2.7%2%86%1%5%1%5%
Emerson College [44] Sep 13–16208± 3.3%6%86%4%4%––
Public Religion Research Institute [45] Aug 22 – Sep 15957± 2.8%–74%–10%13%3% [lower-alpha 14]
HarrisX [46] Sep 9–121,175–2%76%2%2%4%14%
Democracy Corps [47] Sep 7–11315–4%85%5%2%1%4%
YouGov/Economist [48] Sep 8–10393± 2.7%3%82%1%4%2%7%
McLaughlin & Associates [49] Sep 7–10416–3%76%1%3%–17%
Sep 8Sanford announces his candidacy
Emerson College [50] Aug 24–26482± 2.5%–84%–16%––
HarrisX [51] Aug 23–261,194––76%5%3%6%10%
Aug 25Walsh announces his candidacy
Suffolk University [52] Aug 20–25289––90%–5%–5%
McLaughlin & Associates [53] Jul 23–28415± 4.0%4%81%–2%–14%
Democracy Corps [54] Jul 18–28354± 4.0%4%89%–4%–3%
Emerson College [55] Jun 21–24407± 4.9%–83%–17%––
McLaughlin & Associates [56] Jun 18–24417-–79%–7%–13%
Suffolk University/USA Today [57] Jun 11–15326––90%–5%–5%

November 2018 to May 2019

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		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 		OtherUndecided
HarrisX [58] May 23–25785± 4.0%––––––––––––73%7%5%13%
Change Research [59] May 18–211,248± 2.8%–2%––––––––––94%––4%
–––––7%––––––87%––6%
–––––––3%––––94%––3%
May 16De La Fuente announces his candidacy
Emerson College [60] May 10–13384± 5.0%––––––––––––86%14%––
McLaughlin & Associates [61] May 7–11330–––––––1%5%––––77%3%–14%
Zogby Analytics [62] May 2–9463–––––––––––––81%4%10%6%
Quinnipiac University [63] Apr 26–29419± 5.6%––––––3%–––––84%3%1%8%
HarrisX [64] Apr 26–28641± 4.0%––––––––––––75%7%4%11%
Morning Consult [65] Apr 19–21641± 4.0%––––––––––––78%7%–15%
Ipsos/Reuters [66] Apr 18–19344± 5.9%–––1%1%5%–4%10%–––60%–2%16%
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [67] Apr 11–14324± 5.4%––––––––––––85%15%––
Ipsos/Reuters [68] Mar 25–26362± 5.9%–––1%0%3%–5%8%–––63%–4%16%
Morning Consult [69] Mar 22–24638± 4.0%––––––9%–––––73%––18%
–––––––13%––––72%––16%
––––––––––––74%8%–18%
McLaughlin & Associates [70] Mar 20–24418––––––––5%––––80%1%–14%
Emerson College [71] Mar 17–18483–––––––––––––90%10%––
Ipsos/Reuters [72] Mar 5–11756± 4.1%–1%–0%0%3%–3%–9%–0%69%–2%13%
Monmouth University [73] Mar 1–4339± 5.3%––––––6%–––––75%––16%
––––––––––––74%8%–18%
Ipsos/Reuters [72] Feb 26 – Mar 41,086± 3.4%–1%–0%1%5%–3%–9%–1%66%–3%13%
Ipsos/Reuters [72] Feb 19–251,138± 3.3%–0%–1%1%4%–4%–8%–1%65%–3%14%
Ipsos/Reuters [72] Feb 12–181,040± 3.5%–0%–1%1%3%–4%–8%–1%69%–2%12%
Emerson College [74] Feb 14–16366± 5.1%––––––––––––85%15%––
FOX News [75] Feb 10–12432 (A)±4.5%––––––––––––72%–17%11%
McLaughlin & Associates [76] Feb 6–10413––––––––6%–10%––72%––11%
Monmouth University [77] Jan 25–27335± 5.4%––21%–––––––––66%––9%
–––––––14%––––73%––11%
Zogby Analytics [78] Jan 18–20307± 5.6%2%–––1%6%–8%–9%––64%–4%6%
HarrisX [79] Jan 4–5320––––––––––17%––70%––13%
2019
McLaughlin & Associates [80] Dec 10–14392–––––2%––5%–9%––72%––12%
Harvard-Harris [81] Nov 27–28819–3%–5%–2%2%–6%–6%5%1%44%–2%16%
HarrisX [82] Nov 16–17320–––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 sourceDate(s)
administered		Sample
size [lower-alpha 2] 		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		OtherUndecided
Harvard-Harris [83] Jun 24–25430–15%–––––––––85%––
GQR Research [84] Jan 6–11374–––4%1%4%3%11%5%5%–62%0%5%
2018
Public Policy Polling [85] Dec 11–12––––21%–––––––64%–15%
–––16%––––––74%–10%
–––––19%––––70%–11%
––––––22%–––62%–15%
Public Policy Polling [86] Oct 27–29––––27%–––––––57%–16%
–––14%––––––70%–16%
–––––24%––––66%–11%
––––––28%–––53%–19%
Public Policy Polling [87] Sep 22–25––––15%–––––––68%–17%
–––––18%––––68%–13%
––––––21%–––59%–21%
Fabrizio Lee [88] Aug 20171,500± 2.5%–1%13%––10%–––1%54%–20%
Public Policy Polling [89] Aug 18–21––––22%–––––––62%–17%
–––––21%––––68%–11%
––––––24%–––52%–23%
Opinion Savvy [90] Aug 16–17220± 6.6%––8%––17%––––68%–7%
221± 6.6%––12%––15%65%–––––8%
Marist College [91] Aug 8–12361± 5.2%–––––23%––––64%–10%
––––––33%–––56%–8%

Against unnamed primary challenger

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		OtherUndecided
Rasmussen Reports [92] May 10–11, 2020< 1000 (LV) [lower-alpha 15] –70%23% [lower-alpha 16] 7%
Morning Consult/Politico [93] Feb 28 - Mar 1 2020718 (LV)–91%7%2%
Morning Consult/Politico [94] Jan 4–5, 2020700 (RV)–87%10%3%
ABC News/Washington Post [95] Oct 27–30388 (A)±6%67%30%3%
FOX News [75] Oct 27–30388 (A)±6%78%15%7%
FOX News [96] Oct 6–8367-376(LV)±6%77%17%6%
Morning Consult [97] Jun 29 – Jul 1483± 4.0%83%15%3%
Morning Consult [98] Jun 29 – Jul 1541± 4.0%83%15%2%
Morning Consult [99] Jun 21–24698± 4.0%87%12%1%
Morning Consult [100] Jun 20–23639± 4.0%87%10%3%
Morning Consult [101] Jun 14–16693± 4.0%86%13%2%
Morning Consult [102] Jun 7–9659± 4.0%84%13%3%
Morning Consult [103] May 31 – Jun 2672± 4.0%83%14%3%
Change Research [59] May 18–211,248± 2.8%95%4%–
Morning Consult [104] May 10–12695± 4.0%84%15%3%
Morning Consult [105] May 3–6680± 4.0%85%13%2%
Morning Consult [106] Apr 28–29692± 4.0%84%13%2%
Morning Consult [107] Apr 19–21641± 4.0%79%18%4%
Morning Consult [108] Apr 12–14367–83%15%2%
358–82%15%3%
Morning Consult [109] Apr 1–711,986± 1.0%76%20%–
Morning Consult [110] Mar 25–3111,549± 1.0%78%20%–
Morning Consult [111] Mar 18–2412,090± 1.0%77%19%–
Morning Consult [112] Mar 11–1711,542± 1.0%78%20%–
Morning Consult [113] Mar 4–1013,682± 1.0%77%20%–
Morning Consult [114] Feb 25 – Mar 311,154± 1.0%77%20%–
Morning Consult [115] Feb 18–2413,782± 1.0%77%20%–
Morning Consult [116] Feb 11–1713,974± 1.0%77%21%–
Morning Consult [117] Feb 4–1010,685± 1.0%77%20%–
2019
Public Religion Research Institute [118] Sep 17 – Oct 1927–66%33%1%
Saint Leo University [119] May 25–31––63%24%13%
USC Dornsife/LAT [120] Dec 15 – Jan 151,530± 3.0%75%25%–
Emerson College [121] Jan 8–11198–68%18%14%
2018
Public Policy Polling [85] Dec 11–12––70%24%6%
Public Religion Research Institute [122] Oct 18–30846–59%34%7%
Public Policy Polling [86] Oct 27–29––57%36%8%
Public Policy Polling [87] Sep 22–25––61%27%12%
Public Policy Polling [89] 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. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Michael
Bloomberg		John
Kasich		Donald
Trump		Joe
Walsh		Bill
Weld		OtherUndecided
Iowa caucuses (first alignment vote)Feb 3, 2020––––97.1%1.1%1.3%0.5%–
Emerson College [124] Oct 13–16, 2019286–––93%2%4%1% [lower-alpha 17] –
Aug 25Walsh announces his candidacy
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [125] Mar 21–24, 2019207± 6.9%8%–93%––––
––90%–10%––
Emerson College [126] Jan 30 – Feb 2, 2019280––10%90%––––

New Hampshire primary

The New Hampshire Republican primary took place on Tuesday, February 11, 2020. [123]

Polling Aggregation
Source of poll aggregationDate UpdatedDates polled Donald Trump Bill Weld Joe Walsh Undecided [lower-alpha 1]
270 to Win [127] Dec 11, 2019Nov 26 - Dec 11, 201979.0%11.0%3.5%6.5%

Since July 2019

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Rocky De
La Fuente		Donald
Trump		Joe
Walsh		Bill
Weld		OtherUndecided
New Hampshire primary (popular vote)Feb 11, 2020––0.1%84.4%0.5%9%5.9% [lower-alpha 18] –
Emerson College [128] Feb 8–9, 2020500 (LV)±4.3%–84%–16%––
University of New Hampshire/CNN [129] Feb 6–9, 2020212 (LV)±6.7%–90%No voters7%1% [lower-alpha 19] 1%
RKM Research and Communications Inc./Boston Herald/FPU/NBC10 [130] Feb 5–8, 2020440 (LV)±4.7%3%71%6%8%3%11%
University of New Hampshire/CNN [131] Feb 5–8, 2020227 (LV)±6.5%–91%No voters5%2% [lower-alpha 20] 2%
Feb 7, 2020Walsh withdraws from the race
University of New Hampshire/CNN [132] Feb 4–7, 2020203 (LV)±6.9%–91%No voters5%2% [lower-alpha 20] 3%
Marist College/NBC News [133] Feb 4–6, 2020441 (LV)±5.8%–88%1%7%1%2%
Feb 3, 2020 Iowa caucuses
RKM Research and Communications Inc./Boston Herald/FPU/NBC10 [134] Jan 29-Feb 1, 2020438 (LV)± 4.7%1%72%3%7%7%10%
RKM Research & Communications Inc./Boston Herald/FPU/NBC10 [135] Jan 23–26, 2020407 (LV)–1%72%3%7%–9%
Marist College/NBC News [136] Jan 20–23, 2020450 (LV)± 5.5%–87%2%8%1%2%
University of New Hampshire/CNN [137] Jan 16–23, 2020394 (LV)± 4.9%–90%1%4%2% [lower-alpha 21] 3%
RKM Research and Communications Inc./Boston Herald/FPU/NBC10 [138] Jan 8–12, 2020402 (LV)–2%79%4%4%3%3%
MassINC Polling Group/WBUR [139] Dec 3–8, 2019365 (LV)± 5.1%–74%4%9%9% [lower-alpha 22] 4% [lower-alpha 14]
Emerson College [140] Nov 22–26, 2019440 (LV)––84%3%13%0%–
University of New Hampshire/CNN [141] Oct 21–27, 2019461 (LV)± 4.6%–86%1%5%4% [lower-alpha 23] 4%
RKM Research and Communications Inc./Boston Herald/FPU [142] Oct 9–13, 2019405± 4.9%–71%5%14%3% [lower-alpha 24] 7%
RKM Research and Communications Inc./Franklin Pierce University/Boston Herald [143] Sep 4–10, 2019414––88%1%3%1%7%
Emerson College [144] Sep 6–9, 2019379––80%7%13%––
Aug 25, 2019Walsh announces his candidacy
University of New Hampshire Survey Center/CNN [145] Jul 8–15, 2019289 (LV)± 5.8%–86%–7%2%5%
May 16, 2019De La Fuente announces his candidacy
Monmouth University [146] May 2–7, 2019427± 4.8%–72%–12%1%2%

Before May 2019

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		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		OtherUndecided
Suffolk University [147] Apr 25–28, 2019394± 4.9%–––0%9%–––70%–8%–12%
––––––––72%–17%–10%
University of New Hampshire [148] Apr 10–18, 2019208± 6.8%–––1%10%–––76%–5%–8%
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)
University of New Hampshire [149] Feb 18–26, 2019218± 6.6%––––17%–––68%–3%–12%
Emerson College [150] Feb 21–22, 2019328± 5.4%––––––––82%–18%––
Praecones Analytica [151] Jan 16–21, 2019330–––––––24%–70%–––6%
Suffolk University [152] Apr 26–30, 2018315± 5.5%––15%–––––72%–––13%
––––23%–––68%–––8%
––––––28%–63%–––9%
–––––––23%66%–––11%
University of New Hampshire [153] Apr 13–22, 2018202± 6.8%––––19%–––67%––0%14%
American Research Group [154] Mar 21–27, 2018420± 5.0%––4%–34%–––51%–––11%
––33%–––––49%–––18%
––––42%–––48%–––9%
5%7%11%–36%–––––––41%
American Research Group [154] Aug 4–6, 2017600± 4.0%––––52%–––40%–––8%
––––52%27%––––––32%

Against unnamed primary challenger

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		OtherUndecided
University of New Hampshire [148] Apr 10–18, 2019208± 6.8%63%14%23%
University of New Hampshire [149] Feb 18–26, 2019218± 6.6%56%15%29%
University of New Hampshire [155] Aug 2–19, 2018199± 6.9%56%20%24%
University of New Hampshire [153] Apr 13–22, 2018202± 6.8%55%19%27%
University of New Hampshire [156] Jan 28 – Feb 10, 2018157± 7.8%60%18%23%
University of New Hampshire [157] Oct 3–15, 2017191± 7.1%47%23%30%

Nevada caucus

The Nevada caucus was cancelled by the Nevada Republican Party in a vote on September 7, 2019. [158]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Mark
Sanford		Donald
Trump		Joe
Walsh		Bill
Weld		Undecided
Feb 7, 2020Walsh withdraws from the race
Nov 12, 2019Sanford withdraws from the race
Emerson College [159] Oct 31–Nov 3, 2019409 (LV)–2%92%3%3%–
Sep 8, 2019Sanford announces his candidacy
Sep 7, 2019The Nevada Republican Party votes to cancel their caucus.
Aug 25, 2019Walsh announces his candidacy
Apr 15, 2019Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [160] Mar 28–30, 2019263± 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. [158]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Bob
Corker		Jeff
Flake		Nikki
Haley		John
Kasich		Mark

Sanford

Donald
Trump		Bill
Weld		Undecided
Nov 12Sanford withdraws from the race
Sep 8Sanford announces his candidacy
Sep 7The South Carolina Republican Party votes to cancel their primary.
Change Research [161] Aug 9–12, 2019568 (LV)± 4.3%––14%––79%––
––––2%95%––
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [162] Feb 28 – Mar 2, 2019380± 5.1%––––90%10%–
Change Research [163] Feb 15–18, 2019720–2%–––91%–8%
–2%––93%–5%
––21%–67%–11%
–––3%91%–6%
––––90%3%7%

Against unnamed primary challenger

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		OtherUndecided
Change Research [164] Jun 11–14, 20191,183± 2.9%95%5%–

California primary

The California Republican primary took place on Tuesday, March 3, 2020. [123]

Since June 2019

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Mark

Sanford

Donald
Trump		Bill
Weld		Joe

Walsh

OtherUndecided
Feb 7, 2020Walsh withdraws from the race
CNN/SSRS [165] Dec 4–8, 2019298 (LV)± 6.7%–85%3%3%2% [lower-alpha 25] 8%
Nov 12, 2019Sanford withdraws from the race
Emerson College [166] Sep 13–18, 2019208 (LV)–6%86%4%–4%-
Sep 8, 2019Sanford announces his candidacy
Aug 25, 2019Walsh announces his candidacy

April 2019 to May 2019

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Nikki
Haley		John
Kasich		Donald
Trump		Bill
Weld		Undecided
Change Research [167] May 25–28, 2019989± 3.1%5%–86%–8%
–3%90%–7%
––91%3%6%
Apr 15, 2019Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Change Research [168] Apr 6–9, 2019853–5%–83%–12%
–4%83%–14%

Against unnamed primary challenger

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		OtherUndecided
Change Research [167] May 25–28, 2019989± 3.1%94%7%–
Change Research [168] Apr 6–9, 2019853–88%12%–

Colorado primary

The Colorado Republican primary took place on Tuesday, March 3, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		Bill
Weld		Undecided
Emerson College [169] Aug 16–19, 2019339± 5.3%86%14%–
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)

Against unnamed primary challenger

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		OtherUndecided
Magellan Strategies [170] Jan 30–31 and Feb 4, 2019622± 3.9%78%17%5%

Massachusetts primary

The Massachusetts Republican primary took place on Tuesday, March 3, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		 Charlie
Baker 		Jeff
Flake		John
Kasich		Mike
Pence		Mitt
Romney		Paul
Ryan		Donald
Trump		Bill
Weld		OtherUndecided
MassINC Polling Group/WBUR [171] Feb 23 - 26, 2020374 (LV)± 5.1%––––––83%14%2% [lower-alpha 26] 2% [lower-alpha 27]
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [172] Apr 4–7, 2019183± 7.2%––––––82%18%––
YouGov/UMass Amherst [173] Nov 7–14, 2018227–30%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. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		Joe
Walsh		Bill
Weld		OtherUndecided
High Point University [174] Feb 21 – 28, 2020246 (LV)–91%4%3%–2% [lower-alpha 28]
Marist College [175] Feb 23 – 27, 2020410 (LV)± 5.4%93%–6%<1%1%
Meredith College [176] Feb 16 – 24, 2020353 (LV)–85%3.1%2%0.9% [lower-alpha 29] 9.1% [lower-alpha 30]
SurveyUSA [177] Feb 13 – 16, 2020501 (LV)± 3%91%–5%–5%
Feb 7, 2020Walsh withdraws from the race
High Point University [178] Jan 31 – Feb 6, 2020198 (LV)–91%4%1%–4%
Aug 25, 2019Walsh announces his candidacy
Emerson College [179] May 31 – Jun 3, 2019336–88%–12%––

Texas primary

The Texas Republican primary took place on Tuesday, March 3, 2020. [123]

Polling Aggregation
Source of poll aggregationDate UpdatedDates polled Donald Trump Mark Sanford Joe Walsh Bill Weld Undecided [lower-alpha 1]
270 to Win [180] Nov 24, 2019Nov 18, 201978.0%4.0%1.0%1.0%13.0%
Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Mark
Sanford		Donald
Trump		Joe
Walsh		Bill
Weld		OtherUndecided
Marist College [181] Feb 21 - 27, 2020621 (LV)±5.1%–94%–4%<1%2%
University of Texas at Tyler/DMN [182] Feb 17 - 26, 2020567 (LV)± 4.12%–86%–6%–8%
Feb 7, 2020Walsh withdraws from the race
University of Texas at St Tyler/Dallas News [183] Jan 21–30, 2020445 (LV)± 4.65%–88%4%2%–6%
CNN/SSRS [184] Dec 4–8, 2019537 (LV)± 5%–86%4%3%2% [lower-alpha 25] 4%
University of Texas at Tyler [185] Nov 5–14, 2019597 (RV)-4%78%1%1%––
Nov 12, 2019Sanford withdraws from the race
Sep 8, 2019Sanford announces his candidacy
Aug 25, 2019Walsh announces his candidacy
Emerson College [186] Aug 1–3, 2019482––90%–10%––
Emerson College [187] Apr 25–28, 2019344± 5.3%–87%–13%––

Utah primary

The Utah Republican primary took place in Tuesday, March 3, 2020. [123]

Against unnamed primary challenger

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		OtherUndecided
Dan Jones & Associates/Salt Lake Chamber of Commerce [188] October 3–10, 2019600 (LV)± 4%75%22% [lower-alpha 31] –
Dan Jones & Associates/Salt Lake Chamber of Commerce [189] June 11 – July 1, 2019801 (LV)–70%28% [lower-alpha 31] –

Vermont primary

The Vermont Republican primary took place on Tuesday, March 3, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Rocky De
La Fuente		Donald
Trump		Bill
Weld		OtherUndecided
Braun Research/VPR/VT PBS [190] Feb 4–10, 2020166 (LV)± 7.6%1%85%6%2% [lower-alpha 32] 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. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Mark
Sanford		Donald
Trump		Joe
Walsh		Bill
Weld		Undecided
Feb 7, 2020Walsh withdraws from the race
Nov 12, 2019Sanford withdraws from the race
Montana State University Billings [191] Oct 7–16, 201967 (LV)–No voters91%<1%<1%8%

Michigan primary

The Michigan Republican primary took place on Tuesday, March 10, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Mark
Sanford		Donald
Trump		Joe
Walsh		Bill
Weld		Undecided
YouGov/University of Wisconsin-Madison [192] Feb 11 – 20, 2020426 (LV)––97%0%1%2%
Feb 7, 2020Walsh withdraws from the race
Nov 12, 2019Sanford withdraws from the race
Emerson College [193] Oct 31–Nov 3, 20192%92%3%3%-
Sep 8, 2019Sanford announces his candidacy
Aug 25, 2019Walsh announces his candidacy
Apr 15, 2019Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [194] Mar 7–10, 2019306± 5.6%-89%-11%–

Illinois primary

The Illinois Republican primary took place on Tuesday, March 17, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		Bill
Weld		OtherUndecided
Southern Illinois University/Paul
Simon Public Policy Institute [195] 		Feb 10 - 17, 2020232 (LV)± 6.4%89%4%2% [lower-alpha 33] 5% [lower-alpha 34]

Ohio primary

The Ohio Republican primary took place on Tuesday, March 10, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		John
Kasich		Mark

Sanford

Donald
Trump		Joe

Walsh

Bill

Weld

Undecided
Feb 7, 2020Walsh withdraws from the race
Nov 12, 2019Sanford withdraws from the race
Emerson College [196] Sep 29–Oct 2, 2019325 (LV)-2%87%5%5%-
Sep 8, 2019Sanford announces his candidacy
Aug 25, 2019Walsh announces his candidacy
Apr 15, 2019Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Baldwin Wallace University [197] Feb 28 – Mar 9, 2018261± 6.0%27%-62%--–

Florida primary

The Florida Republican primary took place on Tuesday, March 17, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Larry
Hogan		John
Kasich		Mark
Sanford		Donald
Trump		Marco
Rubio		Joe
Walsh		Bill
Weld		Undecided
FAU-BEPI [198] Mar 5 – 7, 2020409 (LV)± 4.8%–––92.6%––3.8%3.5%
Feb 7, 2020Walsh withdraws from the race
Florida Atlantic University [199] Jan 9 – 12, 2020488 (LV)± 4.4%–––80%–14%5%–
Nov 12, 2019Sanford withdraws from the race
Florida Atlantic University [200] Sep 12–15, 2019355± 5.2%––8%85%–5%2%–
Sep 8, 2019Sanford announces his candidacy
Aug 25, 2019Walsh announces his candidacy
Florida Atlantic University [201] May 16–19, 2019394± 4.9%0%2%–85%5%–1%7%
Apr 15, 2019Weld announces his candidacy (exploratory committee on Feb 15, 2019)

Against unnamed primary challenger

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		OtherUndecided
Saint Leo University [119] May 25–31, 2018––68%18%13%

Wisconsin primary

The Wisconsin Republican primary took place on Tuesday, April 7, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		Bill
Weld		OtherUndecided
YouGov/University of Wisconsin-Madison [192] Feb 11 – 20, 2020348 (LV)–93%0%0% [lower-alpha 35] 7%
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [202] Mar 15–17, 2019293–89%11%––

Arizona primary

The Arizona 2016 Republican primary was held on March 22, 2016, but the 2020 primary was cancelled on September 9, 2019. [203]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Mark
Sanford		Donald
Trump		Joe
Walsh		Bill
Weld		OtherUndecided
Feb 7, 2020Walsh withdraws from the race
Nov 12, 2019Sanford withdraws from the race
Emerson College [204] Oct 25–28, 2019367 (LV)–5%88%3%4%––
Sep 9, 2019The Arizona Republican Party votes to cancel their primary.

Delaware primary

The Delaware Republican primary took place on Tuesday, April 28, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		John
Kasich		Donald
Trump		Undecided
Gravis Marketing [205] Jul 24–29, 2018288± 5.8%9%67%25%

Maryland primary

The Maryland Republican primary took place on Tuesday, April 28, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Larry
Hogan		Donald
Trump		Undecided
Gonzales Research [206] Apr 29 – May 4, 2019203± 7.0%24%68%8%

Pennsylvania primary

The Pennsylvania Republican primary took place on Tuesday, April 28, 2020. [123]

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		Joe
Walsh		Bill
Weld		Undecided
Mar 18, 2020Weld withdraws from the race
YouGov/University of Wisconsin-Madison [192] Feb 11 – 20, 2020462 (LV)–87%2%2%8%
Feb 7, 2020Walsh withdraws from the race
Aug 25, 2019Walsh announces his candidacy
Apr 15Weld announces his candidacy (exploratory committee on Feb 15, 2019)
Emerson College [207] Mar 26–28, 2019311± 5.5%90%–10%–

Montana primary

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Mark
Sanford		Donald
Trump		Joe
Walsh		Bill
Weld		Undecided
Feb 7, 2020Walsh withdraws from the race
Nov 12, 2019Sanford withdraws from the race
Montana State University Billings [208] Oct 7–16, 201999 (LV)–1%88%No votersNo voters11%

New Jersey primary

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		Joe
Walsh		Bill
Weld		Undecided
Feb 7, 2020Walsh withdraws from the race
Emerson College [209] Jan 16–19, 2020197 (LV)± 6.9%93%4%4%–

New Mexico primary

Poll sourceDate(s)
administered		Sample
size [lower-alpha 2] 		Margin
of error		Donald
Trump		Joe
Walsh		Bill
Weld		Undecided
Feb 7, 2020Walsh withdraws from the race
Emerson College [210] Jan 3–6, 2020322 (LV)–87%8%5%–

See also

Notes

  1. 1 2 3 Calculated by taking the difference of 100% and all other candidates combined
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 Key:
    A – all adults
    RV – registered voters
    LV – likely voters
    V – unclear
  3. 1 2 3 4 Would not vote with 0%
  4. 1 2 3 4 5 6 7 8 9 10 11 12 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. 1 2 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. 1 2 "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. 1 2 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. 1 2 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%

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    References

    1. ↑ 270 to Win
    2. ↑ RealClearPolitics
    3. ↑ Emerson College
    4. ↑ YouGov/Economist
    5. ↑ YouGov/Economist
    6. ↑ YouGov/Economist
    7. ↑ Emerson College
    8. ↑ YouGov/Yahoo News
    9. ↑ YouGov/Economist
    10. ↑ McLaughlin & Associates Archived 2020-02-13 at the Wayback Machine
    11. ↑ YouGov/Economist
    12. ↑ YouGov/Economist
    13. ↑ Emerson College Archived 2020-05-07 at the Wayback Machine
    14. ↑ YouGov/Economist
    15. ↑ YouGov/Economist
    16. ↑ YouGov/The Economist
    17. ↑ YouGov/The Economist
    18. ↑ YouGov/Economist
    19. ↑ McLaughlin & Associates Archived 2019-12-24 at the Wayback Machine
    20. ↑ Emerson College Archived 2020-04-16 at the Wayback Machine
    21. ↑ YouGov/Economist
    22. ↑ Suffolk University
    23. ↑ YouGov/Economist
    24. ↑ YouGov/Economist
    25. ↑ YouGov/Economist
    26. ↑ RealClear Opinion Research
    27. ↑ Emerson College Archived 2020-05-22 at the Wayback Machine
    28. ↑ YouGov/Economist
    29. ↑ YouGov/Economist
    30. ↑ YouGov/Economist
    31. ↑ YouGov/Economist
    32. ↑ Suffolk University/USA Today
    33. ↑ YouGov/Economist
    34. ↑ McLaughlin and Associates Archived 2019-10-25 at the Wayback Machine
    35. ↑ Emerson College
    36. ↑ Ipsos
    37. ↑ YouGov/Economist
    38. ↑ YouGov/Economist
    39. ↑ YouGov/Economist
    40. ↑ Quinnipiac University Archived 2019-09-25 at the Wayback Machine
    41. ↑ Emerson College Archived 2020-02-03 at the Wayback Machine
    42. ↑ Fox News
    43. ↑ YouGov/Economist
    44. ↑ Emerson College
    45. ↑ Public Religion Research Institute
    46. ↑ "HarrisX". Archived from the original on 2019-09-14. Retrieved 2019-09-16.
    47. ↑ Democracy Corps
    48. ↑ YouGov/Economist
    49. ↑ McLaughlin & Associates Archived 2019-09-12 at the Wayback Machine
    50. ↑ Emerson College Archived 2020-04-19 at the Wayback Machine
    51. ↑ "HarrisX". Archived from the original on 2019-08-28. Retrieved 2019-08-28.
    52. ↑ Suffolk University
    53. ↑ McLaughlin & Associates Archived 2019-07-31 at the Wayback Machine
    54. ↑ Democracy Corps
    55. ↑ Emerson College Archived 2020-01-27 at the Wayback Machine
    56. ↑ McLaughlin & Associates Archived 2019-06-26 at the Wayback Machine
    57. ↑ Suffolk University/USA Today
    58. ↑ "HarrisX". Archived from the original on 2019-05-30. Retrieved 2019-05-30.
    59. 1 2 Change Research
    60. ↑ Emerson College Archived 2020-02-17 at the Wayback Machine
    61. ↑ McLaughlin & Associates Archived 2019-05-15 at the Wayback Machine
    62. ↑ Zogby Analytics Archived 2020-11-08 at the Wayback Machine
    63. ↑ Quinnipiac University
    64. ↑ HarrisX [ permanent dead link ]
    65. ↑ Morning Consult
    66. ↑ Ipsos/Reuters
    67. ↑ Emerson College Archived 2020-04-14 at the Wayback Machine
    68. ↑ Ipsos/Reuters
    69. ↑ Morning Consult
    70. ↑ McLaughlin & Associates Archived 2019-03-25 at the Wayback Machine
    71. ↑ Emerson College
    72. 1 2 3 4 "Ipsos/Reuters". Archived from the original on 2021-01-22. Retrieved 2019-02-26.
    73. ↑ Monmouth University
    74. ↑ Emerson College Archived 2020-04-30 at the Wayback Machine
    75. 1 2 FOX News
    76. ↑ McLaughlin & Associates Archived 2019-02-15 at the Wayback Machine
    77. ↑ Monmouth University
    78. ↑ Zogby Analytics
    79. ↑ HarrisX Archived 2019-09-09 at the Wayback Machine
    80. ↑ McLaughlin & Associates Archived 2018-12-19 at the Wayback Machine
    81. ↑ Harvard-Harris
    82. ↑ HarrisX
    83. ↑ Harvard-Harris
    84. ↑ GQR Research
    85. 1 2 Public Policy Polling
    86. 1 2 Public Policy Polling
    87. 1 2 Public Policy Polling
    88. ↑ Fabrizio Lee
    89. 1 2 Public Policy Polling
    90. ↑ "Opinion Savvy" (PDF). Archived from the original (PDF) on 2018-11-14. Retrieved 2019-01-04.
    91. ↑ Marist College
    92. ↑ Rasmussen Reports
    93. ↑ Morning Consult/Politico
    94. ↑ Morning Consult/Politico
    95. ↑ ABC News/Washington Post
    96. ↑ FOX News
    97. ↑ Morning Consult
    98. ↑ Morning Consult
    99. ↑ Morning Consult
    100. ↑ Morning Consult
    101. ↑ Morning Consult
    102. ↑ "Morning Consult" (PDF). Archived from the original (PDF) on 2020-11-22. Retrieved 2019-06-12.
    103. ↑ Morning Consult
    104. ↑ Morning Consult
    105. ↑ Morning Consult
    106. ↑ Morning Consult
    107. ↑ "Morning Consult" (PDF). Archived from the original (PDF) on 2020-12-22. Retrieved 2019-04-25.
    108. ↑ Morning Consult
    109. ↑ Morning Consult
    110. ↑ Morning Consult
    111. ↑ Morning Consult
    112. ↑ Morning Consult
    113. ↑ Morning Consult
    114. ↑ Morning Consult
    115. ↑ Morning Consult
    116. ↑ Morning Consult
    117. ↑ Morning Consult
    118. ↑ Public Religion Research Institute
    119. 1 2 Saint Leo University
    120. ↑ USC Dornsife/LAT
    121. ↑ Emerson College
    122. ↑ Public Religion Research Institute
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    124. ↑ Emerson College
    125. ↑ Emerson College Archived 2020-05-20 at the Wayback Machine
    126. ↑ Emerson College
    127. ↑ 270 to Win
    128. ↑ Emerson College
    129. ↑ University of New Hampshire/CNN
    130. ↑ RKM Research and Communications Inc./Boston Herald/FPU/NBC10
    131. ↑ University of New Hampshire/CNN
    132. ↑ University of New Hampshire/CNN
    133. ↑ Marist College/NBC News
    134. ↑ RKM Research and Communications Inc./Boston Herald/FPU/NBC10
    135. ↑ "RKM Research & Communications Inc./Boston Herald/FPU/NBC10" (PDF). Archived from the original (PDF) on 2020-01-28. Retrieved 2020-01-30.
    136. ↑ Marist College/NBC News
    137. ↑ University of New Hampshire/CNN
    138. ↑ RKM Research and Communications Inc./Boston Herald/FPU/NBC10
    139. ↑ MassINC Polling Group/WBUR
    140. ↑ Emerson College
    141. ↑ University of New Hampshire/CNN
    142. ↑ RKM Research and Communications Inc./Boston Herald/FPU
    143. ↑ RKM Research and Communications Inc./Franklin Pierce University/Boston Herald
    144. ↑ Emerson College Archived 2019-09-10 at the Wayback Machine
    145. ↑ University of New Hampshire Survey Center/CNN
    146. ↑ Monmouth University
    147. ↑ Suffolk University
    148. 1 2 University of New Hampshire
    149. 1 2 University of New Hampshire
    150. ↑ Emerson College Archived 2019-02-23 at the Wayback Machine
    151. ↑ Praecones Analytica
    152. ↑ Suffolk University
    153. 1 2 University of New Hampshire
    154. 1 2 American Research Group
    155. ↑ University of New Hampshire
    156. ↑ University of New Hampshire
    157. ↑ University of New Hampshire
    158. 1 2 Watson, Eleanor (7 September 2019). "Republicans in three states cancel presidential nominating contests for 2020". CBS News. Retrieved 10 September 2019.
    159. ↑ Emerson College
    160. ↑ Emerson College Archived 2019-04-20 at the Wayback Machine
    161. ↑ Change Research
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    163. ↑ Change Research
    164. ↑ Change Research
    165. ↑ CNN/SSRS
    166. ↑ Emerson College
    167. 1 2 Change Research
    168. 1 2 Change Research
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    170. ↑ Magellan Strategies
    171. ↑ MassINC Polling Group/WBUR
    172. ↑ Emerson College Archived 2019-04-20 at the Wayback Machine
    173. ↑ YouGov/UMass Amherst
    174. ↑ High Point University Archived 2020-03-02 at the Wayback Machine
    175. ↑ Marist College
    176. ↑ Meredith College
    177. ↑ SurveyUSA
    178. ↑ High Point University Archived 2020-02-12 at the Wayback Machine
    179. ↑ Emerson College Archived 2019-06-04 at the Wayback Machine
    180. ↑ 270 to Win
    181. ↑ Marist College
    182. ↑ University of Texas at Tyler/DMN
    183. ↑ University of Texas at St Tyler/Dallas News Archived 2020-02-02 at the Wayback Machine
    184. ↑ CNN/SSRS
    185. ↑ University of Texas at Tyler
    186. ↑ Emerson College
    187. ↑ Emerson College Archived 2019-07-03 at the Wayback Machine
    188. ↑ Dan Jones & Associates/Salt Lake Chamber of Commerce
    189. ↑ Dan Jones & Associates/Salt Lake Chamber of Commerce
    190. ↑ Braun Research/VPR/VT PBS
    191. ↑ Montana State University Billings Archived 2019-10-25 at the Wayback Machine
    192. 1 2 3 YouGov/University of Wisconsin-Madison
    193. ↑ "Emerson College". Archived from the original on 2019-12-14. Retrieved 2019-11-21.
    194. ↑ Emerson College Archived 2019-03-10 at the Wayback Machine
    195. ↑ Southern Illinois University/Paul
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    196. ↑ "Emerson College". Archived from the original on 2019-10-03. Retrieved 2019-11-21.
    197. ↑ Baldwin Wallace University
    198. ↑ FAU-BEPI
    199. ↑ Florida Atlantic University
    200. ↑ Florida Atlantic University
    201. ↑ Florida Atlantic University
    202. ↑ Emerson College Archived 2019-04-20 at the Wayback Machine
    203. ↑ Stone, Kevin (9 September 2019). "Arizona GOP won't hold 2020 presidential preference election". KTAR News. Retrieved 30 October 2019.
    204. ↑ Emerson College
    205. ↑ Gravis Marketing
    206. ↑ Gonzales Research
    207. ↑ Emerson College Archived 2019-04-20 at the Wayback Machine
    208. ↑ Montana State University Billings Archived 2019-10-25 at the Wayback Machine
    209. ↑ Emerson College
    210. ↑ Emerson College
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