Nationwide opinion polling for the Democratic Party 2016 presidential primaries

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This is a list of nationwide public opinion polls that have been conducted relating to the Democratic primaries for the 2016 United States presidential election. The persons named in the polls are declared candidates, are former candidates, or have received media speculation about their possible candidacy.

Aggregate polling[edit]

In the following tables, blue indicates the highest percentage and percentages within the margin of error of the highest in each poll.

Source of aggregate poll Date updated Date polled Method Hillary
Clinton
Bernie
Sanders
Others /
Undecided
FiveThirtyEight Average[1] June 24, 2016 February 25 –
June 29, 2016
Weighted 54.1% 37.4% 8.5%
HuffPost Pollster Model[2] June 24, 2016 N/A N/A 53.8% 39.3% 6.9%
RealClear Politics Average[3] June 24, 2016 May 13–June 5, 2016 Average of
last 5 polls
52.8% 41.4% 5.8%
270 to Win Average[4] June 24, 2016 May 13–June 6, 2016 Average of
last 3 polls
52.0% 38.0% 10.0%

Individual polls[edit]

Polls conducted in 2016[edit]

Summary of the opinion polls taken since January 2016 for the Democratic Party presidential primaries
Poll source Sample
size
Margin
of error
Date(s)
administered
Hillary
Clinton
Bernie
Sanders
Others / Undecided
YouGov/Economist[5] 390 June 18–20, 2016 55% 42% 4%
Morning Consult[6] 1,733 2.0% June 15–20, 2016 53% 35% 12%
NBC/SurveyMonkey[7] 3,092 1.3% June 6–12, 2016 58% 36% 6%
YouGov[8] 698 June 2–5, 2016 52% 41% 7%
Morning Consult[9] 1,811 2.3% June 1–5, 2016 51% 38% 11%
IBD/TIPP[10] 351 5.3% May 31 – June 5, 2016 51% 37% 12%
NBC/SurveyMonkey[11] 4,332 2.0% May 30 – June 5, 2016 53% 40% 7%
Ipsos/Reuters[12] 850 3.4% May 28 – June 1, 2016 44% 44% 12%
Quinnipiac[13] 678 3.8% May 24–30, 2016 53% 39% 8%
Morning Consult[14] 1,859 2.3% May 24–30, 2016 46% 42% 12%
NBC/SurveyMonkey[15] 4,227 2.0% May 23–29, 2016 53% 42% 5%
Ipsos/Reuters[16] 800 2.8% May 21–25, 2016 44% 43% 13%
YouGov/Economist[17] 711 3.1% May 20–23, 2016 52% 41% 7%
Morning Consult[18] 975 1.0% May 19–23, 2016 48% 42% 10%
NBC/SurveyMonkey[19] 4,888 1.0% May 16–22, 2016 51% 42% 7%
ABC News/Washington Post[20] 829 3.5% May 16–19, 2016 56% 42% 2%
Ipsos/Reuters[21] 868 2.7% May 14–18, 2016 44% 43% 13%
NBC/SurveyMonkey[22] 4,348 2.0% May 9–15, 2016 54% 40% 6%
Morning Consult[23] 1,855 2.3% May 11–15, 2016 47% 41% 12%
Ipsos/Reuters[24] 819 2.8% May 7–11, 2016 46% 44% 10%
Morning Consult[25] 2,728 1.9% May 5–9, 2016 49% 40% 11%
NBC/SurveyMonkey[26] 3,905 2.0% May 2–8, 2016 53% 41% 6%
Ipsos/Reuters[27] 679 3.1% April 30 – May 4, 2016 47% 40% 13%
Morning Consult[28] 948 3.2% April 29 – May 2, 2016 51% 38% 11%
CNN/ORC[29] 405 5.0% April 28 – May 1, 2016 51% 43% 6%
NBC/SurveyMonkey[30] 4,418 1.9% April 25 – May 1, 2016 54% 40% 6%
Morning Consult[31] 906 3.2% April 26–29, 2016 49% 40% 11%
IBD/TIPP[32] 355 5.3% April 22–28, 2016 49% 43% 8%
Ipsos/Reuters[33] 1,062 3.0% April 23–27, 2016 47% 42% 11%
YouGov/Economist[34] 635 2.8% April 22–26, 2016 47% 43% 10%
Suffolk University/USA Today[35] 363 5.1% April 20–24, 2016 50.4% 44.9% 4.7%
NBC/SurveyMonkey[36] 10,707 1.4% April 18–24, 2016 52% 42% 6%
Morning Consult[37] 929 2.0% April 20–22, 2016 48% 42% 10%
Ipsos/Reuters[38] 835 2.8% April 16–20, 2016 43% 42% 15%
Pew Research[39] 738 - April 12–19, 2016 54% 42% 4%
Morning Consult[40] 941 2% April 15–17, 2016 46% 43% 11%
NBC/SurveyMonkey[41] 3,821 1.3% April 11–17, 2016 50% 43% 7%
NBC/Wall Street Journal[42] 339 5.3% April 10–14, 2016 50% 48% 2%
FOX News[43] 450 3.0% April 11–13, 2016 48% 46% 6%
Ipsos/Reuters[44] 849 2.7% April 9–13, 2016 42% 47% 11%
CBS News[45] 359 3.0% April 8–12, 2016 50% 44% 6%
YouGov/Economist[46] 684 2.8% April 8–11, 2016 49% 41% 10%
NBC/SurveyMonkey[47] 3,746 1.3% April 4–10, 2016 49% 43% 8%
Ipsos/Reuters[48] 781 2.9% April 2–6, 2016 38% 44% 18%
Morning Consult[49] 884 2% April 1–3, 2016 47% 39% 14%
Public Religion Research Institute/The Atlantic[50] 788 N/A March 30 – April 3, 2016 46% 47% 7%
NBC News/SurveyMonkey[51] 4,292 1.8% March 28 – April 3, 2016 51% 42% 7%
IBD/TIPP[52] 388 5.1% March 28 – April 2, 2016 45% 44% 11%
McClatchy/Marist[53] 497 4.4% March 29–31, 2016 47% 49% 4%
Ipsos/Reuters[54] 788 2.8% March 27–31, 2016 46% 43% 11%
YouGov/Economist[55] 651 2.8% March 26–29, 2016 53% 40% 7%
NBC/SurveyMonkey[56] 1,922 2.9% March 21–27, 2016 49% 43% 8%
Pew Research[57] 842 2.4% March 17–27, 2016 49% 43% 8%
Morning Consult[58] 2,071 2.0% March 24–26, 2016 50% 39% 11%
Public Policy Polling[59] 505 4.4% March 24–26, 2016 54% 36% 10%
Ipsos/Reuters[60] 788 2.8% March 19–23, 2016 42% 47% 12%
McLaughlin & Associates[61] 470 3.1% March 17–23, 2016 50.2% 38.3% 11.5%
Fox News[62] 410 5.0% March 20–22, 2016 55% 42% 3%
Bloomberg/Selzer & Co.[63] 311 5.6% March 19–22, 2016 48% 49% 3%
Morning Consult[64] 2,001 2% March 18–21, 2016 51% 39% 11%
Quinnipiac[65] 635 3.9% March 16–21, 2016 50% 38% 12%
CBS/NYT[66] 388 6% March 17–20, 2016 50% 45% 5%
CNN/ORC[67] 397 5.0% March 17–20, 2016 51% 44% 5%
Monmouth[68] 391 5.0% March 17–20, 2016 55% 37% 8%
NBC/SurveyMonkey[69] 11,600 1.4% March 14–20, 2016 53% 41% 6%
Morning Consult[70] 2,011 2.0% March 16–18, 2016 49% 40% 11%
Ipsos/Reuters[71] 832 2.7% March 12–16, 2016 44% 44% 12%
Morning Consult[72] 1842 2.0% March 11–13, 2016 48% 40% 12%
NBC/SurveyMonkey[73] 2,597 1.7% March 7–13, 2016 54% 41% 5%
YouGov[74] 400 2.9% March 10–12, 2016 52% 40% 8%
Ipsos/Reuters[75] 955 2.6% March 5–9, 2016 46% 39% 16%
Morning Consult[76] 960 2.0% March 4–6, 2016 52% 36% 12%
NBC News/Wall Street Journal[77] 410 4.8% March 3–6, 2016 53% 44% 3%
ABC News/Wash Post[78] 356 5.5% March 3–6, 2016 49% 42% 9%
NBC/SurveyMonkey[79] 6,245 1.1% February 29 – March 6, 2016 55% 38% 7%
Ipsos/Reuters[80] 839 4.3% February 27 – March 2, 2016 47% 40% 13%
NBC/SurveyMonkey[81] 8,702 1.7% February 22–28, 2016 51% 41% 9%
Rasmussen Reports[82] 541 4.5% February 22–28, 2016 53% 31% Other 9%
Undecided 6%
Morning Consult[83] 891 2.0% February 26–27, 2016 51% 35% 14%
CNN/ORC[84] 427 5.0% February 24–27, 2016 55% 38% 7%
YouGov[85] 535 2.9% February 24–27, 2016 55% 37% 8%
Morning Consult[86] 1,723 2% February 24–25, 2016 50% 35% 15%
NBC News / SurveyMonkey[87] 2,092 3% February 24–25, 2016 52% 41% 7%
Ipsos/Reuters[88] 753 4.4% February 20–24, 2016 42% 44% 14%
IBD/TIPP[89] 334 5.5% February 19–24, 2016 45% 43% 12%
NBC/SurveyMonkey[90] 3,338 1.8% February 15–21, 2016 51% 40% Others / Undecided 9%
McLaughlin & Associates[91] 1,000 3.1% February 17, 2016 42.5% 42.6% Undecided 14.9%
Fox News[92] 429 4.5% February 15–17, 2016 44% 47% Other 1%
None of the above 1%
Don't know 7%
Ipsos/Reuters[93] 737 4% February 13–17, 2016 45% 42% Wouldn’t vote 14%
Morning Consult[94] 829 2% February 15–16, 2016 47% 39% Someone else 5%
Undecided 9%
NBC News/Wall Street Journal[95] 400 4.9% February 14–16, 2016 53% 42% Not sure 4%
None 1%
CBS News[96] 549 5% February 12–16, 2016 47% 39% Don't know 10%
YouGov/Economist[97] 527 2.8% February 11–15, 2016 53% 39% Other 2%
No Preference 6%
Suffolk University/USA Today[98] 319 5.5% February 11–15, 2016 53% 40% Undecided 10%
Quinnipiac University[99] 563 4.1% February 10–15, 2016 44% 42% Wouldn't vote 2%
Don't know/NA 11%
NBC/SurveyMonkey[100] 3,847 1.8% February 8–14, 2016 50% 40% Don't know 8%
No answer 1%
Morning Consult[101] 811 3.4% February 10–11, 2016 46% 39% Other 8%
Undecided 7%
Ipsos/Reuters[102] 600 2.8% February 6–10, 2016 55% 43% Undecided 3%
Morning Consult[103] 1988 1% February 3–7, 2016 50% 37% Undecided 8%
NBC/SurveyMonkey[104] 3154 1.4% February 1–7, 2016 51% 39% Undecided 8%
No answer 1%
Ipsos/Reuters[105] 512 5% February 2–5, 2016 48% 45% Other 5%
Rasmussen Reports[106] 574 4.5% February 3–4, 2016 50% 32% Other 12%
Undecided 6%
Quinnipiac University[107] 484 4.5% February 2–4, 2016 44% 42% Other 1%
Wouldn't vote 2%
Don't know/NA 1%
Public Policy Polling[108] 517 4.3% February 2–3, 2016 53% 32% Undecided 14%
Morning Consult[109] 719 3.6% February 2–3, 2016 51% 35% Other 6%
Don't know/No opinion 8%
Poll source Sample
size
Margin
of error
Date(s)
administered
Hillary
Clinton
Martin
O'Malley
Bernie
Sanders
Others
Ipsos/Reuters[110] 704 4.2% January 30, 2016 – February 3, 2016 54% 2% 39% Wouldn't vote 5%
Morning Consult[111] 1928 2.2% January 29, 2016 – February 1, 2016 50% 5% 34% Other 5%
Don't know/No opinion 9%
NBC/SurveyMonkey[112] 3233 2.3% January 25–31, 2016 50% 2% 39% Don't know 8%
No answer 1%
YouGov/Economist[113] 531 2.9% January 27–30, 2016 52% 2% 40% N/A
Ipsos/Reuters[114] 231 7% January 25–29, 2016 58% 3% 38% Other 2%
IBD/TIPP[115] 378 5.1% January 22–27, 2016 50% 2% 38% Other / Undecided 10%
CNN / ORC[116] 440 4.5% January 21–24, 2016 52% 2% 38% Other 8%
Washington Post / ABC News[117] 406 5.5% January 21–24, 2016 55% 4% 36% Other 5%
Fox News[118] 375 5% January 18–21, 2016 49% 1% 37% Other 1%
None of the above 2%
Don't know 10%
Zogby[119] 373 N/A January 19–20, 2016 49% 10% 27% Undecided 14%
Ipsos/Reuters[120] 629 2.8% January 16–20, 2016 54% 4% 35% Wouldn't vote 7%
YouGov/Economist[121] 2000 2.9% January 15–19, 2016 50% 2% 41% N/A
Monmouth University[122] 352 5.4% January 15–18, 2016 52% 2% 37% Other 0%
No one 4%
Undecided 4%
NBC News/Wall Street Journal[123] 400 4.9% January 9–13, 2016 59% 2% 34% N/A
Gravis Marketing/One America News[124] 890 3.3% January 10, 2016 65% 9% 26% N/A
New York Times/CBS News[125] 389 6% January 7–10, 2016 48% 2% 41% None of them 3%
Don't know/No answer 6%
NBC/SurveyMonkey[126] 2619 2.4% January 4–10, 2016 52% 2% 37% Don't know 8%
No answer 1%
IBD/TIPP[127] 378 5.1% January 4–8, 2016 43% 2% 39% Other 6%
Undecided 9%
Refused 1%
Fox News[128] 360 5% January 4–7, 2016 54% 3% 39% Other 1%
None of the above 1%
Unsure 2%
Ipsos/Reuters[129] 709 4.2% January 2–6, 2016 58% 3% 30% Wouldn't Vote 9%
YouGov/Economist[130] 533 2.8% December 31, 2015 – January 6, 2016 54% 3% 37% No preference 4%
Other 1%
NBC/SurveyMonkey[131] 3,700 1.9% December 28, 2015 – January 3, 2016 53% 2% 36% Undecided 8%
No Answer 1%

Polls conducted in 2015[edit]

Polls conducted in 2014[edit]

Polls conducted in 2013[edit]

See also[edit]

General election polling
Democratic primary polling
Republican primary polling

References[edit]

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