Template:2016 Iowa Democratic presidential caucuses polls
Poll source | Date | 1st | 2nd | 3rd | Other |
---|---|---|---|---|---|
Caucus results | February 1, 2016 | Hillary Clinton 49.9% |
Bernie Sanders 49.6% |
Martin O'Malley 0.6% | |
Emerson College[1] Margin of error: ± 5.6% Sample size: 300 |
January 29–31, 2016 | Hillary Clinton 51% |
Bernie Sanders 43% |
Martin O'Malley 4% |
Undecided 2% |
Quinnipiac University[2] Margin of error: ± 3.2% Sample size: 919 |
January 25–31, 2016 | Bernie Sanders 49% |
Hillary Clinton 46% |
Martin O'Malley 3% |
Undecided 2% |
Des Moines Register– Bloomberg–Selzer[3] Margin of error: ± 4% Sample size: 602 |
January 26–29, 2016 | Hillary Clinton 45% |
Bernie Sanders 42% |
Martin O'Malley 3% |
Undecided or Not Committed 9% |
Public Policy Polling[4]
Margin of error ± 3.4%
|
January 26–27, 2016 | Hillary Clinton 48% |
Bernie Sanders 40% |
Martin O'Malley 7% |
No preference 5% |
Gravis Marketing[5]
Margin of error ± 3%
|
January 26–27, 2016 | Hillary Clinton 53% |
Bernie Sanders 42% |
Martin O'Malley 5% |
No preference 0% |
Monmouth University[6]
Margin of error ± 4.4%
|
January 23–26, 2016 | Hillary Clinton 47% |
Bernie Sanders 42% |
Martin O'Malley 6% |
Undecided 5% |
American Research Group[7]
Margin of error ± 5.0%
|
January 21–24, 2016 | Bernie Sanders 48% |
Hillary Clinton 45% |
Martin O'Malley 3% |
No preference 4% |
Quinnipiac University[8]
Margin of error: ± 4%
|
January 18–24, 2016 | Bernie Sanders 49% |
Hillary Clinton 45% |
Martin O'Malley 4% |
Undecided 2% |
ISU/WHO-HD[9]
Margin of error: ±
|
January 5–22, 2016 | Hillary Clinton 47% |
Bernie Sanders 45% |
Martin O'Malley <1% |
Undecided 7% |
Fox News[10]
Margin of error ± 4.5%
|
January 18–21, 2016 | Hillary Clinton 48% |
Bernie Sanders 42% |
Martin O'Malley 3% |
No preference 7% |
YouGov/CBS News[11]
Margin of error ± 8.9%
|
January 17–21, 2016 | Bernie Sanders 47% |
Hillary Clinton 46% |
Martin O'Malley 5% |
No preference 2% |
Emerson College Polling Society[12]
Margin of error: ± 5.9%
|
January 18–20, 2016 | Hillary Clinton 52% |
Bernie Sanders 43% |
Martin O'Malley 3% |
Undecided 2% |
CNN/ORC[13]
Margin of error: ± 6%
|
January 15–20, 2016 | Bernie Sanders 51% |
Hillary Clinton 43% |
Martin O'Malley 4% |
Undecided 2% |
Monmouth College/KBUR[14]
Margin of error: ± 4.1%
|
January 18–19, 2016 | Hillary Clinton 47.7% |
Bernie Sanders 39.3% |
Martin O'Malley 7.4% |
Undecided 5% |
Loras College[15]
Margin of error: ± 4.4%
|
January 8–10, 2016 | Hillary Clinton 46% |
Bernie Sanders 40% |
Martin O'Malley 8% |
Undecided 5% |
Public Policy Polling[16]
Margin of error: ± 4.1%
|
January 8–10, 2016 | Hillary Clinton 46% |
Bernie Sanders 40% |
Martin O'Malley 8% |
Undecided 5% |
Bloomberg/DMR[17]
Margin of error: ± 4.4%
|
January 7–10, 2016 | Hillary Clinton 42% |
Bernie Sanders 40% |
Martin O'Malley 4% |
Other/Undecided 14% |
American Research Group[18]
Margin of error: ± 4.0%
|
January 6–10, 2016 | Bernie Sanders 47% |
Hillary Clinton 44% |
Martin O'Malley 3% |
Undecided 5% |
Quinnipiac University[19]
Margin of error: ± 4.4%
|
January 5–10, 2016 | Bernie Sanders 49% |
Hillary Clinton 44% |
Martin O'Malley 4% |
Undecided 3% |
Mason-Dixon/AARP[20]
Margin of error: ±
|
January 4–8, 2016 | Hillary Clinton 49% |
Bernie Sanders 42% |
Martin O’Malley 5% |
Not Reported 4% |
NBC News/WSJ/Marist[21]
Margin of error: ± 4.8%
|
January 2–7, 2016 | Hillary Clinton 48% |
Bernie Sanders 45% |
Martin O’Malley 5% |
Undecided 3% |
Poll source | Date | 1st | 2nd | 3rd | Other |
---|---|---|---|---|---|
Gravis Marketing[22]
Margin of error ± 5%
|
December 18–21, 2015 | Hillary Clinton 49% |
Bernie Sanders 31% | Martin O'Malley 10% | Unsure 10% |
YouGov/CBS News[23]
Margin of error ± 5.3%
|
December 14–17, 2015 | Hillary Clinton 50% |
Bernie Sanders 45% |
Martin O'Malley 4% | No preference 1% |
Public Policy Polling[24]
Margin of error: ± 4.3%
|
December 10–13, 2015 | Hillary Clinton 52% |
Bernie Sanders 34% |
Martin O'Malley 7% |
Undecided 6% |
Quinnipiac University[25]
Margin of error: ± 3.6%
|
December 4–13, 2015 | Hillary Clinton 51% |
Bernie Sanders 40% |
Martin O'Malley 6% |
Undecided 3% |
Fox News[26]
Margin of error: ± 5.0%
|
December 7–10, 2015 | Hillary Clinton 50% |
Bernie Sanders 36% |
Martin O'Malley 5% |
Other 4%, Undecided 10% |
Loras College[27]
Margin of error: ± 4.4
|
December 7–10, 2015 | Hillary Clinton 59% |
Bernie Sanders 27% |
Martin O'Malley 4% |
Undecided 10% |
Des Moines Register/Bloomberg/Selzer[28]
Margin of error ± 4.9%
|
December 7–10, 2015 | Hillary Clinton 48% |
Bernie Sanders 39% |
Martin O'Malley 4% |
Undeicded 8% |
Monmouth[29] Margin of error ± 4.9%
Sample Size: 405 |
December 3–6, 2015 | Hillary Clinton 55% | Bernie Sanders 33% | Martin O'Malley 6% | |
CNN/ORC[29] Margin of error ± 4.5%
|
November 28 – December 6, 2015 | Hillary Clinton 54% | Bernie Sanders 36% | Martin O'Malley 4% | |
Quinnipiac University[30]
Margin of error ± 4.2%
|
November 16–22, 2015 | Hillary Clinton 51% |
Bernie Sanders 42% |
Martin O'Malley 4% | Undecided 3% |
YouGov/CBS News[31]
Margin of error ± 7.6%
|
November 15–19, 2015 | Hillary Clinton 50% |
Bernie Sanders 44% |
Martin O'Malley 5% | Undecided 1% |
CNN/ORC[32]
Margin of error ± 4.5%
|
October 29 – November 4, 2015 | Hillary Clinton 55% |
Bernie Sanders 37% |
Martin O'Malley 3% | None 1% No Opinion 3% |
Gravis Marketing/One America News Network[33]
Margin of error ± 3.0%
|
October 30 – November 2, 2015 | Hillary Clinton 57.1% |
Bernie Sanders 24.8% |
Martin O'Malley 2.9% | Not Sure 15.2% |
Public Policy Polling[34]
Margin of error ± 3.9%
|
October 30 – November 1, 2015 | Hillary Clinton 57% |
Bernie Sanders 25% |
Martin O'Malley 7% | Lawrence Lessig 1%, Not Sure 9% |
KBUR-Monmouth[35]
Margin of error: ± 3.76%
|
October 29–31, 2015 | Hillary Clinton 45.8% |
Bernie Sanders 31.7% |
Martin O'Malley 5.4% |
Undecided 17.0% |
Monmouth University[36]
Margin of error ± 3.76%
|
October 29–31, 2015 | Hillary Clinton 45.8% |
Bernie Sanders 31.7% |
Martin O'Malley 5.4% | Undecided 17% |
Monmouth University[37]
Margin of error ± 4.9%
|
October 22–25, 2015 | Hillary Clinton 65% |
Bernie Sanders 24% |
Martin O'Malley 5% | Lawrence Lessig 1%, Undecided 5% |
YouGov/CBS News[38]
Margin of error ± 6.9%
|
October 15–22, 2015 | Hillary Clinton 46% |
Bernie Sanders 43% |
Martin O'Malley 3% | Lincoln Chafee 1%, Lawrence Lessig 0%, No preference 7% |
Des Moines Register/Bloomberg Politics[39]
Margin of error ± 4.9%
|
October 16–19, 2015 | Hillary Clinton 48% |
Bernie Sanders 41% |
Martin O'Malley 2% | Jim Webb 1%, Lincoln Chafee 1%, Uncommited 3%, Not Sure 4% |
NBC News/WSJ/Marist[40]
Margin of error: ± 5.3%
|
September 23–30, 2015 | Hillary Clinton 33% |
Bernie Sanders 28% |
Joe Biden 22% |
Martin O'Malley 3%, Jim Webb 1%, Lincoln Chafee <1%, Undecided 12% |
Hillary Clinton 47% |
Bernie Sanders 36% |
Martin O'Malley 4% |
Jim Webb 1%, Lincoln Chafee <1%, Undecided 13% | ||
Public Policy Polling[41]
Margin of error ± 4.4%
|
September 18–20, 2015 | Hillary Clinton 43% |
Bernie Sanders 22% |
Joe Biden 17% |
Martin O'Malley 3%, Jim Webb 3%, Lincoln Chafee 2%, Lawrence Lessig 0%, Undecided 9% |
YouGov/CBS News[42]
Margin of error ± 6.6%
|
September 3–10, 2015 | Bernie Sanders 43% |
Hillary Clinton 33% |
Joe Biden 10% |
No preference 7%, Martin O'Malley 5%, Lincoln Chafee 1%, Jim Webb 1% |
Quinnipiac University[43]
Margin of error: ± 3.4%
|
Posted September 10, 2015 | Bernie Sanders 41% |
Hillary Clinton 40% |
Joe Biden 12% |
Martin O'Malley 3% |
NBC News/Marist Poll[44]
Margin of error: ± 5.3%
|
Published September 6, 2015 | Hillary Clinton 38% |
Bernie Sanders 27% |
Joe Biden 20% |
Martin O'Malley 4%, Jim Webb 2%, Lincoln Chafee 1%, Undecided 8% |
Hillary Clinton 48% |
Bernie Sanders 37% |
Martin O'Malley 4% |
Jim Webb 2%, Lincoln Chafee 1%, Undecided 8% | ||
Loras College[45]
Margin of error ± 4.37%
|
August 24–27, 2015 | Hillary Clinton 48.2% |
Bernie Sanders 22.9% |
Joe Biden 16.3% |
Martin O'Malley 4%, Lincoln Chafee 0.6%, Jim Webb 0.4%, Undecided 6.4% |
Selzer & Co. of Des Moines[46]
Margin of error: ± 4.9%
|
August 23–26, 2015 | Hillary Clinton 43% |
Bernie Sanders 35% |
Martin O'Malley 5% |
Jim Webb 2%, Lincoln Chafee 1%, Not sure 8%, Uncommitted 6% |
Hillary Clinton 37% |
Bernie Sanders 30% |
Joe Biden 14% |
Martin O'Malley 3%, Jim Webb 2%, Lincoln Chafee 1%, Not sure 8%, Uncommitted 6% | ||
Suffolk University[47]
Margin of error: ± 4.4%
|
August 20–24, 2015 | Hillary Clinton 54% |
Bernie Sanders 20% |
Joe Biden 11% |
Martin O'Malley 4%, Jim Webb 1%, Lincoln Chafee 0%, Undecided 9% |
CNN/ORC[48]
Margin of error: ± 4.5%
|
August 7–11, 2015 | Hillary Clinton 50% |
Bernie Sanders 31% |
Joe Biden 12% |
Martin O'Malley 1%, Jim Webb 1%, Lincoln Chafee 0%, Not sure 11% |
Public Policy Polling[49]
Margin of error: ± 4.1%
|
August 7–9, 2015 | Hillary Clinton 52% |
Bernie Sanders 25% |
Martin O'Malley 7% |
Jim Webb 3%, Lincoln Chafee 1%, Not sure 11% |
NBC News/Marist[50]
Margin of error: ± 5.5%
|
July 14–21, 2015 | Hillary Clinton 49% |
Bernie Sanders 25% |
Joe Biden 10% |
Martin O'Malley 3%, Jim Webb 1%, Lincoln Chafee <1%, Undecided 11% |
We Ask America[51]
Margin of error: 3.07%
|
June 27–29, 2015 | Hillary Clinton 63% |
Bernie Sanders 20% |
Martin O'Malley 5% |
Jim Webb 3%, Lincoln Chafee 1%, Undecided 8% |
Quinnipiac University[52]
Margin of error: 3.6%
|
June 20–29, 2015 | Hillary Clinton 52% |
Bernie Sanders 33% |
Joe Biden 7% |
Martin O'Malley 3%, Jim Webb 1% Lincoln Chafee 0%, Undecided 5% |
Bloomberg
Margin of error: 4.9%
|
June 19–22, 2015 | Hillary Clinton 50% |
Bernie Sanders 24% |
Martin O'Malley 2% |
Lincoln Chafee 0%, Undecided 23% |
Morning Consult
Margin of error: ?
|
May 31 – June 8, 2015 | Hillary Clinton 54% |
Bernie Sanders 12% |
Joe Biden 9% |
Martin O'Malley 1%, Jim Webb 1%, Lincoln Chafee 0%, Other 3%, Undecided 20% |
Gravis Marketing
Margin of error: ± 5.0%
|
May 28–29, 2015 | Hillary Clinton 59% |
Bernie Sanders 15% |
Martin O'Malley 3% |
Jim Webb 2%, Bill DeBlasio 2%, Lincoln Chafee 1%, Unsure 17% |
Bloomberg/Des Moines
Margin of error: ± 4.7%
|
May 25–29, 2015 | Hillary Clinton 57% |
Bernie Sanders 16% |
Joe Biden 8% |
Martin O'Malley 2%, Jim Webb 2%, Uncommitted 6%, Not sure 8% |
Quinnipiac University
Margin of error: ± 3.7%
|
April 25 – May 4, 2015 | Hillary Clinton 60% |
Bernie Sanders 15% |
Joe Biden 11% |
Martin O'Malley 3%, Jim Webb 3%, Lincoln Chafee 0%, Undecided 7% |
Public Policy Polling
Margin of error: ± 4.5%
|
April 23–26, 2015 | Hillary Clinton 62% |
Bernie Sanders 14% |
Martin O'Malley 6% |
Jim Webb 3%, Lincoln Chafee 2%, Undecided 13% |
Loras College
Margin of error: ± 4.4%
|
April 21–23, 2015 | Hillary Clinton 57% |
Elizabeth Warren 14.7% |
Joe Biden 5.9% |
Martin O'Malley 2.4%, Bernie Sanders 2%, Jim Webb 1.2%, Lincoln Chafee 0%, Undecided 16.7% |
Quinnipiac
Margin of error: ± 3.9%
|
February 16–23, 2015 | Hillary Clinton 61% |
Elizabeth Warren 19% |
Joe Biden 7% |
Bernie Sanders 5%, Jim Webb 2%, Martin O'Malley 0%, Undecided 6% |
NBC News/Marist
Margin of error: ± 5.5%
|
February 3–10, 2015 | Hillary Clinton 68% |
Joe Biden 12% |
Bernie Sanders 7% |
Jim Webb 1%, Martin O'Malley <1%, Undecided 12% |
Selzer & Co.
Margin of error: ± 4.9%
|
January 26–29, 2015 | Hillary Clinton 56% |
Elizabeth Warren 16% |
Joe Biden 9% |
Bernie Sanders 5%, Jim Webb 3%, Martin O'Malley 1%, Uncommitted 4%, Not sure 6% |
Loras College
Margin of error: ± 6.06%
|
January 21–26, 2015 | Hillary Clinton 48.3% |
Elizabeth Warren 16.5% |
Joe Biden 12.6% |
Bernie Sanders 3.8%, Jim Webb 2.3%, Martin O'Malley 0.4%, Undecided 16.1% |
Poll source | Date | 1st | 2nd | 3rd | Other |
---|---|---|---|---|---|
Fox News
Margin of error: ± 5%
|
October 28–30, 2014 | Hillary Clinton 62% |
Elizabeth Warren 14% |
Joe Biden 10% |
Andrew Cuomo 2%, Martin O'Malley 2%, Other 1%, None of the above 2%, Don't know 6% |
Reuters/Ipsos
Margin of error: ± ?
|
October 23–29, 2014 | Hillary Clinton 60% |
Elizabeth Warren 17% |
Joe Biden 4% |
Andrew Cuomo 3%, Bernie Sanders 2%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Wouldn't vote 12% |
Selzer & Co.
Margin of error: ± 4.8%
|
October 1–7, 2014 | Hillary Clinton 53% |
Elizabeth Warren 10% |
Joe Biden 9% |
John Kerry 7%, Bernie Sanders 3%, Andrew Cuomo 1%, Brian Schweitzer 1%, Jim Webb 1%, Martin O'Malley 0%, Uncommitted 3%, Not sure 12% |
CNN/ORC
Margin of error: ± 5.5%
|
September 8–10, 2014 | Hillary Clinton 53% |
Joe Biden 15% |
Elizabeth Warren 7% |
Bernie Sanders 5%, Andrew Cuomo 3%, Martin O'Malley 2%, Deval Patrick 1%, Someone else 1%, None/No opinion 15% |
Suffolk
Margin of error: ± 7.09%
|
August 23–26, 2014 | Hillary Clinton 66.49% |
Elizabeth Warren 9.95% |
Joe Biden 7.85% |
Andrew Cuomo 4.19%, Martin O'Malley 2.09%, Undecided 7.85% |
NBC News/Marist
Margin of error: ± 4.2%
|
July 7–13, 2014 | Hillary Clinton 70% |
Joe Biden 20% |
Undecided 10% | |
Vox Populi Polling
Margin of error: ± 6.6%
|
June 4–5, 2014 | Hillary Clinton 65% |
Joe Biden 18% |
Elizabeth Warren 12% |
Andrew Cuomo 3%, Martin O'Malley 2% |
Public Policy Polling
Margin of error: ±5.2%
|
May 15–19, 2014 | Hillary Clinton 59% |
Joe Biden 12% |
Elizabeth Warren 11% |
Cory Booker 3%, Andrew Cuomo 3%, Mark Warner 2%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Brian Schweitzer 1%, Someone else/Not sure 8% |
Joe Biden 34% |
Elizabeth Warren 22% |
Andrew Cuomo 7% |
Cory Booker 4%, Kirsten Gillibrand 3%, Martin O'Malley 2%, Brian Schweitzer 1%, Mark Warner 1%, Someone else/Not sure 26% | ||
Elizabeth Warren 31% |
Andrew Cuomo 14% |
Cory Booker 9% |
Kirsten Gillibrand 5%, Martin O'Malley 2%, Mark Warner 2%, Brian Schweitzer 1%, Someone else/Not sure 36% | ||
The Daily Caller/Vox Populi Polling
Margin of error: ± 6.8%
|
April 22–24, 2014 | Hillary Clinton 71% |
Joe Biden 13% |
Elizabeth Warren 10% |
Andrew Cuomo 3%, Brian Schweitzer 2%, Martin O'Malley 1% |
Suffolk
Margin of error: ± 8.4%
|
April 3–8, 2014 | Hillary Clinton 62.96% |
Elizabeth Warren 11.85% |
Joe Biden 9.63% |
Mark Warner 1.48%, Andrew Cuomo 0.74%, Deval Patrick 0.74%, Cory Booker 0%, Undecided 11.85% |
Public Policy Polling
Margin of error: ±5.4%
|
February 20–23, 2014 | Hillary Clinton 67% |
Joe Biden 12% |
Elizabeth Warren 5% |
Mark Warner 3%, Andrew Cuomo 2%, Cory Booker 1%, Kirsten Gillibrand 0%, Martin O'Malley 0%, Brian Schweitzer 0%, Someone Else/Undecided 10% |
Joe Biden 40% |
Elizabeth Warren 13% |
Andrew Cuomo 8% |
Martin O'Malley 5%, Cory Booker 2%, Kirsten Gillibrand 2%, Mark Warner 2%, Brian Schweitzer 1%, Someone Else/Undecided 28% | ||
Elizabeth Warren 21% |
Andrew Cuomo 11% |
Cory Booker 8% |
Martin O'Malley 6%, Kirsten Gillibrand 3%, Brian Schweitzer 2%, Mark Warner 2%, Someone Else/Undecided 47% |
Poll source | Date | 1st | 2nd | 3rd | Other |
---|---|---|---|---|---|
Cygnal
Margin of error: ±2.1%
|
July 10–12, 2013 | Hillary Clinton 55.6% |
Joe Biden 7.8% |
Elizabeth Warren 5% |
Andrew Cuomo 1.1%, Kirsten Gillibrand 0.5%, Martin O'Malley 0.2%, Unsure 29.7% |
Public Policy Polling
Margin of error: ±6.1%
|
July 5–7, 2013 | Hillary Clinton 71% |
Joe Biden 12% |
Elizabeth Warren 5% |
Kirsten Gillibrand 2%, Mark Warner 2%, Cory Booker 1%, Andrew Cuomo 1%, Martin O'Malley 1%, Brian Schweitzer 0%, Someone Else/Undecided 5% |
Joe Biden 51% |
Elizabeth Warren 16% |
Andrew Cuomo 9% |
Cory Booker 6%, Kirsten Gillibrand 2%, Martin O'Malley 2%, Mark Warner 1%, Brian Schweitzer 0%, Someone Else/Undecided 13% | ||
Elizabeth Warren 20% |
Andrew Cuomo 18% |
Cory Booker 12% |
Kirsten Gillibrand 7%, Martin O'Malley 4%, Brian Schweitzer 3%, Mark Warner 2%, Someone Else/Undecided 33% | ||
McKeon & Associates
Margin of error: ±3.9%
|
April 18, 2013 | Hillary Clinton 43% |
Joe Biden 27% |
Andrew Cuomo 11% |
Other 9%, Undecided 10% |
Public Policy Polling
Margin of error: ±5.5%
|
February 1–3, 2013 | Hillary Clinton 68% |
Joe Biden 21% |
Andrew Cuomo 2% |
Mark Warner 2%, Elizabeth Warren 2%, Deval Patrick 1%, Kirsten Gillibrand 0%, Martin O'Malley 0%, Brian Schweitzer 0%, Someone Else/Undecided 3% |
Joe Biden 58% |
Andrew Cuomo 13% |
Elizabeth Warren 7% |
Kirsten Gillibrand 6%, Deval Patrick 3%, Mark Warner 2%, Brian Schweitzer 1%, Martin O'Malley 0%, Someone Else/Undecided 11% | ||
Andrew Cuomo 26% |
Elizabeth Warren 17% |
Martin O'Malley 8% |
Kirsten Gillibrand 5%, Deval Patrick 3%, Brian Schweitzer 2%, Mark Warner 2%, Someone Else/Undecided 37% | ||
Harper Polling
Margin of error:
|
January 29, 2013 | Hillary Clinton 65.38% |
Joe Biden 13.74% |
Andrew Cuomo 3.85% |
Undecided 17.03% |
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