# Statewide opinion polling for the 2016 Democratic Party presidential primaries

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This article contains opinion polling by U.S. state for the 2016 Democratic Party presidential primaries. For currency and accuracy, please note the specific dates for each polling as listed below. For the significance of the earliest state votes, the Iowa caucuses and the New Hampshire primary, see United States presidential primary – Iowa and New Hampshire. To know when any given state votes, see the timeline of primaries and caucuses.
    Note: A statistical tie occurs when two data points from within a set are within twice the margin of error of each other. When adding polls remember to double the margin of error provided to see the true result.

## Statewide polling
### Alabama

Delegate count: 53 Pledged, 7 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | March 1, 2016 | Hillary Clinton 77.8% | Bernie Sanders 19.2% | Other 3.0% |
| Monmouth Margin of error: ± 5.8% Sample size: 300 | February 25–28, 2016 | Hillary Clinton 71% | Bernie Sanders 23% | Others / Undecided 6% |
| Public Policy Polling Margin of error: ± 4.4 Sample size: 500 | February 14–16, 2016 | Hillary Clinton 59% | Bernie Sanders 31% | |
| News-5/Strategy Research Margin of error: ± 2 percent Sample size: 3,500 | August 11, 2015 | Hillary Clinton 78% | Bernie Sanders 10% | |

### Alaska

Delegate count: 16 Pledged, 4 Unpledged Winner: Bernie Sanders
Caucus date: March 26, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | March 29, 2016 | Bernie Sanders 79.6% | Hillary Clinton 20.2% | Other 0.2% |
| Alaska Dispatch News/Ivan Moore Research Margin of error: ± ≈3.8% Sample size: 651 | Published January 23, 2016 | Bernie Sanders 48% | Hillary Clinton 34% | Martin O'Malley 6% Undecided 14% |
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### Arizona

Delegate count: 75 Pledged, 10 Unpledged Winner: Hillary Clinton Primary date: March 22, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | March 22, 2016 | Hillary Clinton 56.3% | Bernie Sanders 41.4% | Others 2.3% |
| Merrill Poll Margin of error: ± 5.4% Sample size: 300 | March 7–11, 2016 | Hillary Clinton 50% | Bernie Sanders 24% | Others / Undecided 26% |
| MBQF Consulting and Marson Media Margin of error: ± 3.6% Sample size: 739 | Published February 29, 2016 | Hillary Clinton 56% | Bernie Sanders 22% | Others / Undecided 22% |
| Behavior Research Center Margin of error: ± 7.3% Sample size: 186 | October 24 – November 5, 2015 | Hillary Clinton 47% | Bernie Sanders 19% | Martin O'Malley 2% Uncommitted 32% |
| One America News Margin of error: ± 4.7% Sample size: 427 | Published August 17, 2015 | Hillary Clinton 56% | Bernie Sanders 34% | Joe Biden 6% Lincoln Chafee 2% Jim Webb 1% Martin O'Malley 1% |
| Public Policy Polling Margin of error: ± 6% Sample size: 268 | May 1–3, 2015 | Hillary Clinton 58% | Bernie Sanders 16% | Lincoln Chafee 5% Jim Webb 5% Martin O'Malley 4% Not sure 12% |

### Arkansas

Delegate count: 32 Pledged, 5 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | March 1, 2016 | Hillary Clinton 66.1% | Bernie Sanders 30.0% | Others 4.0% |
| Public Policy Polling Margin of error: ± 4.3 Sample size: 525 | February 14–16, 2016 | Hillary Clinton 57% | Bernie Sanders 32% | |
| Talk Business/Hendrix Margin of error: ± 3.3% Sample size: 451 | February 4, 2016 | Hillary Clinton 57% | Bernie Sanders 25% | Don't Know 18% |
| Suffolk University Margin of error: ± ? Sample size: 209 | September 20–23, 2014 | Hillary Clinton 71% | Joe Biden 8% | Andrew Cuomo 5% Elizabeth Warren 3% Martin O’Malley 2% Undecided/Refused 10% |
| Polling Company/WomenTrend Margin of error: ± ? Sample size: ? | August 6–7, 2013 | Hillary Clinton 59% | Joe Biden 14% | Others/Undecided 27% |

### California

Delegate count: 475 Pledged, 71 Unpledged Winner: Hillary Clinton
Primary date: June 7, 2016
| Poll source | Date | 1st | 2nd | Other |
| | June 7, 2016 | Hillary Clinton 53.1% | Bernie Sanders 46.0% | Others 0.9% |
| CBS News/YouGov Margin of error: ±5.0% Sample size: 674 | May 31-June 3, 2016 | Hillary Clinton 49% | Bernie Sanders 47% | Others / Undecided 4% |
| American Research Group Margin of error: ± 5% Sample size: 400 | May 31 – June 2, 2016 | Hillary Clinton 48% | Bernie Sanders 47% | Others / Undecided 5% |
| NBC/WSJ/Marist Margin of error: ±4.2% Sample size: 557 | May 29–31, 2016 | Hillary Clinton 49% | Bernie Sanders 47% | Others / Undecided 4% |
| Field Margin of error: ±4.1% Sample size: 571 | May 26–31, 2016 | Hillary Clinton 45% | Bernie Sanders 43% | Others / Undecided 12% |
| USC Dornsife/Los Angeles Times Margin of error: ± 2.9% Sample size: 1,500 | May 19–31, 2016 | Hillary Clinton 49% | Bernie Sanders 39% | Others / Undecided 13% |
| SurveyUSA Margin of error: ±% Sample size: 803 | May 19–22, 2016 | Hillary Clinton 57% | Bernie Sanders 39% | Undecided 4% |
| PPIC Margin of error: ±5.7% Sample size: 552 | May 13–22, 2016 | Hillary Clinton 46% | Bernie Sanders 44% | Undecided 10% |
| Hoover Institution State Poll Margin of error: ±3.47% Sample size: 1,700 | May 4–16, 2016 | Hillary Clinton 51% | Bernie Sanders 38% | Others / Undecided 11% |
| Sextant (D)/Capitol Weekly Margin of error: ±2.3% Sample size: 1,617 | April 28-May 1, 2016 | Hillary Clinton 49% | Bernie Sanders 39% | Others / Undecided 12% |
| SurveyUSA/KABC/SCNG Margin of error: ± % Sample size: 826 | April 27–30, 2016 | Hillary Clinton 57% | Bernie Sanders 38% | Others / Undecided 6% |
| FOX News Margin of error: ± 4% Sample size: 623 | April 18–21, 2016 | Hillary Clinton 48% | Bernie Sanders 46% | Others / Undecided 6% |
| CBS News/YouGov Margin of error: ± 4.5% Sample size: 1,124 | April 13–15, 2016 | Hillary Clinton 52% | Bernie Sanders 40% | Others / Undecided 8% |
| Gravis Marketing Margin of error: ± 3.4% Sample size: 846 | April 7–10, 2016 | Hillary Clinton 47% | Bernie Sanders 41% | Others / Undecided 12% |
| Field Margin of error: ± 4.0% Sample size: 584 | March 24 - April 4, 2016 | Hillary Clinton 47% | Bernie Sanders 41% | Others / Undecided 12% |
| SurveyUSA Margin of error: ± 3.6% Sample size: 767 | March 30 - April 3, 2016 | Hillary Clinton 53% | Bernie Sanders 39% | Others / Undecided 8% |
| USC Dornsife/Los Angeles Times Margin of error: ± 3.7% Sample size: 832 | March 16–23, 2016 | Hillary Clinton 47% | Bernie Sanders 36% | Others / Undecided 17% |
| PPIC Margin of error: ± 6.2% Sample size: 529 | March 6–15, 2016 | Hillary Clinton 48% | Bernie Sanders 41% | Others / Undecided 11% |
| Field Poll Margin of error: ± 5.6% Sample Size: 329 | January 6, 2016 | Hillary Clinton 46% | Bernie Sanders 35% | Martin O'Malley 1% Undecided 18% |
| Poll source | Date | 1st | 2nd | Other |
| Field Poll Margin of error: ± 5.0% Sample size: 391 | September 17 – October 4, 2015 | Hillary Clinton 47% | Bernie Sanders 35% | Martin O'Malley 1% Jim Webb 1% Lincoln Chafee 0% Other 2% Undecided 14% |
| Field Poll Margin of error: ± 5.0% Sample size: 391 | September 17 – October 4, 2015 | Hillary Clinton 40% | Bernie Sanders 31% | Joe Biden 15% Martin O'Malley 1% Lincoln Chafee 0% Jim Webb 1% Other 2% Undecided 12% |
| USC/LA Times Margin of error: ± 3.6% Sample size: ? | August 29 – September 8, 2015 | Hillary Clinton 42% | Bernie Sanders 26% | Other/NA 16% Undecided 16% |
| USC/LA Times Margin of error: ± 3.6% Sample size: ? | August 29 – September 8, 2015 | Hillary Clinton 39% | Bernie Sanders 23% | Joe Biden 11% Other/NA 11% Undecided 16% |
| Field Poll Margin of error: ± 7.0% Sample size: 356 | April 23 – May 16, 2015 | Hillary Clinton 53% | Elizabeth Warren 13% | Joe Biden 6% Bernie Sanders 5% Jim Webb 1% Martin O'Malley 0% Lincoln Chafee 0% Undecided/other 22% |
| Emerson College Margin of error: ± ? Sample size: 487 | April 2–8, 2015 | Hillary Clinton 56% | Elizabeth Warren 11% | Joe Biden 8% Bernie Sanders 3% Martin O'Malley 2% Jim Webb 1% Andrew Cuomo 0% Other 2% Undecided 17% |
| Field Poll Margin of error: ± 5% Sample size: 425 | January 26 – February 16, 2015 | Hillary Clinton 59% | Elizabeth Warren 17% | Joe Biden 9% Bernie Sanders 6% Jim Webb 2% Others <0.5% Undecided 7% |

### Colorado

Delegate count: 66 Pledged, 13 Unpledged Winner: Bernie Sanders Caucus date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | March 1, 2016 | Bernie Sanders 59.44% | Hillary Clinton 39.85% | Other 0.71% |
| Washington Free Beacon/TPC Research Margin of error: ± 3% Sample size: 1144 | February 16–17, 2016 | Bernie Sanders 49% | Hillary Clinton 43% | Undecided 9% |
| Quinnipiac University Margin of error: ± 4.9% Sample size: 404 | November 11–15, 2015 | Hillary Clinton 55% | Bernie Sanders 27% | Martin O'Malley 2% Undecided 15% |
| Suffolk University Margin of error: ± ? Sample size: 159 | September 13–16, 2014 | Hillary Clinton 59% | Elizabeth Warren 21% | Joe Biden 8% Andrew Cuomo 4% Martin O’Malley 0% Undecided 6% Other 2% Refused 1% |

### Connecticut

Delegate count: 55 Pledged, 15 Unpledged Winner: Hillary Clinton Primary date: April 26, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | April 26, 2016 | Hillary Clinton 51.8% | Bernie Sanders 46.4% | Others / Uncommitted 1.8% |
| Public Policy Polling Margin of error: ± 3.7% Sample size: 709 | April 22–24, 2016 | Hillary Clinton 48% | Bernie Sanders 46% | Others / Undecided 6% |
| Quinnipiac Margin of error: ± 3.0% Sample size: 1,037 | April 12–18, 2016 | Hillary Clinton 51% | Bernie Sanders 42% | Others / Undecided 8% |
| Emerson College Margin of error: ± 5.2% Sample size: 356 | April 10–11, 2016 | Hillary Clinton 49% | Bernie Sanders 43% | Others / Undecided 3% |
| Emerson College Polling Society Margin of error: ± 6% Sample size: 251 LV | November 17, 2015 | Hillary Clinton 49.6% | Bernie Sanders 30.7% | Martin O’Malley 9.1% Other 3.2% Undecided 6.6% |
| Quinnipiac University Margin of error: ± 4% Sample size: 610 | October 7–11, 2015 | Hillary Clinton 35% | Bernie Sanders 25% | Joe Biden 18% Lincoln Chafee 0% Lawrence Lessig 0% Martin O’Malley 0% Jim Webb 0% Other 1% Wouldn't vote 6% Undecided 12% |
| Quinnipiac University Margin of error: ± 4% Sample size: 610 | October 7–11, 2015 | Hillary Clinton 47% | Bernie Sanders 29% | Jim Webb 1% Lincoln Chafee 0% Lawrence Lessig 0% Martin O’Malley 0% Other 1% Wouldn't vote 6% Undecided 16% |
| Quinnipiac University Margin of error: ± 4.6% Sample size: 459 | March 6–9, 2015 | Hillary Clinton 53% | Elizabeth Warren 15% | Joe Biden 8% Bernie Sanders 2% Martin O’Malley 1% Jim Webb 1% Other 2% Wouldn't vote 3% Undecided 15% |
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### Delaware

Delegate count: 21 Pledged, 10 Unpledged Winner: Hillary Clinton Primary date: April 26, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | April 26, 2016 | Hillary Clinton 59.8% | Bernie Sanders 39.2% | Other 1.1% |
| Gravis Marketing Margin of error: ± 3.1% Sample size: 1,026 | April 17–18, 2016 | Hillary Clinton 45% | Bernie Sanders 38% | Others / Undecided 17% |
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### Florida

Delegate count: 214 Pledged, 32 Unpledged Winner: Hillary Clinton Primary date: March 15, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | March 15, 2016 | Hillary Clinton 64.4% | Bernie Sanders 33.3% | Other 2.3% |
| ARG Margin of error: ± 5.0% Sample size: 400 | March 11–13, 2016 | Hillary Clinton 58% | Bernie Sanders 37% | Others / Undecided 5% |
| Quinnipiac Margin of error: ± 4.3% Sample size: 519 | March 8–13, 2016 | Hillary Clinton 60% | Bernie Sanders 34% | Others / Undecided 6% |
| Public Policy Polling Margin of error: ± 3.9% Sample size: 627 | March 11–12, 2016 | Hillary Clinton 57% | Bernie Sanders 32% | Others / Undecided 11% |
| CBS News/YouGov Margin of error: ± 4.5% Sample size: 796 | March 9–11, 2016 | Hillary Clinton 62% | Bernie Sanders 34% | Others / Undecided 4% |
| Florida Atlantic University Margin of error: ± 5% Sample size: 414 | March 8–11, 2016 | Hillary Clinton 59% | Bernie Sanders 31% | Others / Undecided 10% |
| NBC News/Wall Street Journal/Marist Margin of error: ± 4.4% Sample size: 500 | March 4–10, 2016 | Hillary Clinton 61% | Bernie Sanders 34% | Others / Undecided 5% |
| WTSP/Mason-Dixon Margin of error: ± 4.5% Sample size: 500 | March 7–9, 2016 | Hillary Clinton 68% | Bernie Sanders 23% | Others / Undecided 9% |
| Quinnipiac Margin of error: ± 4.3% Sample size: 511 | March 2–7, 2016 | Hillary Clinton 62% | Bernie Sanders 32% | Others / Undecided 6% |
| SurveyUSA/Bay News 9/News 13 Margin of error: ± 3.4% Sample size: 823 | March 4–6, 2016 | Hillary Clinton 61% | Bernie Sanders 30% | Others / Undecided 9% |
| CNN/ORC Margin of error: ± 6.0% Sample size: 264 | March 2–6, 2016 | Hillary Clinton 61% | Bernie Sanders 34% | Others / Undecided 5% |
| Wash Post/Univision Margin of error: ± 6.0% Sample size: 449 | March 2–5, 2016 | Hillary Clinton 64% | Bernie Sanders 26% | Others / Undecided 10% |
| University of North Florida Margin of error: ± 3.7% Sample size: 685 | February 22–27, 2016 | Hillary Clinton 54% | Bernie Sanders 24% | Others / Undecided 22% |
| Public Policy Polling Margin of error: ± 5% Sample size: 388 | February 24–25, 2016 | Hillary Clinton 57% | Bernie Sanders 32% | Others / Undecided 11% |
| Gravis Marketing Margin of error: ± 4.3% Sample size: 514 | February 24, 2016 | Hillary Clinton 58% | Bernie Sanders 42% | |
| Quinnipiac Margin of error: ± 4.5% Sample size: 476 | February 21–24, 2016 | Hillary Clinton 59% | Bernie Sanders 33% | Others / Undecided 8% |
| Florida Southern College Margin of error: ± 4.0% Sample Size: 608 | January 30 – February 6, 2016 | Hillary Clinton 43% | Bernie Sanders 26% | Others / Undecided 31% |
| Florida Atlantic University Margin of error: ± 5.0% Sample Size: 371 | January 15–18, 2016 | Hillary Clinton 62% | Bernie Sanders 26% | Martin O'Malley 2% Not Reported |
| Poll source | Date | 1st | 2nd | Other |
| Florida Atlantic University Margin of error: ± 5.2% Sample Size: 355 | November 15–16, 2015 | Hillary Clinton 66% | Bernie Sanders 22% | Martin O'Malley 4% Other 4.5% Undecided 3.7% |
| Bay News 9/ News13 Margin of error: ± 3.9% Sample size: 826 | October 28 – November 1, 2015 | Hillary Clinton 66% | Bernie Sanders 24% | Martin O'Malley 3% Other 2% Undecided 6% |
| Saint Leo University Polling Institute Margin of error: ±6.0% Sample size: 165 | October 17–22, 2015 | Hillary Clinton 50.9% | Joe Biden 15.2% | Bernie Sanders 13.3% Unsure/Don't Know 8.5% |
| Quinnipiac University Margin of error: ± 4.8% Sample size: 411 | September 25 – October 5, 2015 | Hillary Clinton 43% | Joe Biden 19% | Bernie Sanders 19% Someone else/Undecided 13% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 368 | September 11–13, 2015 | Hillary Clinton 55% | Bernie Sanders 18% | Joe Biden 17% Martin O'Malley 2% Jim Webb 1% Lincoln Chafee 1% Lawrence Lessig 0% Someone else/Undecided 6% |
| Gravis Marketing Margin of error: ± 4% Sample size: 693 | September 5–11, 2015 | Hillary Clinton 41.6% | Joe Biden 21.4% | Bernie Sanders 12.5% Martin O'Malley 1.5% Jim Webb 1.3% Lincoln Chafee 0.4% Unsure 21.3% |
| Quinnipiac University Margin of error: ± 5% Sample size: 419 | Posted September 4, 2015 | Hillary Clinton 52% | Bernie Sanders 20% | Joe Biden 15% Lincoln Chafee 4% Martin O'Malley 1% Jim Webb 1% Other 1% Undecided 6% |
| Quinnipiac University Margin of error: ± 5.3% Sample size: 345 | August 7–18, 2015 | Hillary Clinton 48% | Bernie Sanders 15% | Joe Biden 11% Martin O'Malley 1% Jim Webb 1% Lincoln Chafee 0% Other 2% Wouldn't vote 6% Undecided 17% |
| St Pete Polls Margin of error: ± 3.0% Sample size: 1080 | July 18–28, 2015 | Hillary Clinton 55% | Bernie Sanders 29% | Jim Webb 2% Martin O'Malley 1% Lincoln Chafee <1% Unsure or someone else 13% |
| Mason-Dixon Margin of error: ± 4.5% Sample size: 500 | July 20–23, 2015 | Hillary Clinton 58% | Bernie Sanders 17% | Martin O'Malley 2% Lincoln Chafee 0% Jim Webb 0% Undecided 23% |
| Gravis Marketing Margin of error: ± 3% Sample size: 881 | June 16–20, 2015 | Hillary Clinton 64.8% | Bernie Sanders 20.6% | Martin O'Malley 2.1% Bill De Blasio 1.7% Jim Webb 0.9% Lincoln Chafee 0.4% Unsure 9.5% |
| Quinnipiac University Margin of error: ± 5% Sample size: 378 | June 4–15, 2015 | Hillary Clinton 64% | Joe Biden 9% | Bernie Sanders 8% Martin O'Malley 1% Lincoln Chafee 0% Jim Webb 0% Other 1% Wouldn't vote 5% Undecided 13% |
| Quinnipiac University Margin of error: ± 5.3% Sample size: 344 | March 17–28, 2015 | Hillary Clinton 65% | Joe Biden 11% | Elizabeth Warren 7% Bernie Sanders 3% Jim Webb 2% Martin O'Malley 0% Other 1% Wouldn't vote 2% Undecided 10% |
| Quinnipiac University Margin of error: ± 5.3% Sample size: 344 | March 17–28, 2015 | Joe Biden 42% | Elizabeth Warren 19% | Bernie Sanders 6% Jim Webb 3% Martin O'Malley 1% Other 2% Wouldn't vote 4% Undecided 22% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 371 | March 19–22, 2015 | Hillary Clinton 58% | Joe Biden 14% | Elizabeth Warren 10% Bernie Sanders 3% Martin O'Malley 2% Jim Webb 1% Other/Undecided 11% |
| Margin of error: ± 5% Sample size: 435 | February 24–25, 2015 | Hillary Clinton 52% | Elizabeth Warren 14% | Joe Biden 9% Martin O'Malley 2% Mark Warner 2% Jim Webb 2% Undecided 18% |
| Quinnipiac University Margin of error: ± 5.5% Sample size: 322 | January 22 – February 1, 2015 | Hillary Clinton 61% | Joe Biden 11% | Elizabeth Warren 9% Bernie Sanders 2% Martin O'Malley 1% Jim Webb 1% Other 2% Wouldn't vote 4% Undecided 10% |
| Quinnipiac University Margin of error: ± 5.5% Sample size: 322 | January 22 – February 1, 2015 | Joe Biden 39% | Elizabeth Warren 22% | Bernie Sanders 3% Martin O'Malley 2% Jim Webb 2% Other 4% Wouldn't vote 5% Undecided 23% |
| Poll source | Date | 1st | 2nd | Other |
| Quinnipiac University Margin of error: ± 4.6% Sample size: 457 | July 17–21, 2014 | Hillary Clinton 67% | Joe Biden 8% | Elizabeth Warren 8% Andrew Cuomo 1% Martin O'Malley 0% Brian Schweitzer 0% Other 1% Wouldn't vote 3% Undecided 11% |
| Public Policy Polling Margin of error: ± 6.2% Sample size: 251 | June 6–9, 2014 | Hillary Clinton 66% | Elizabeth Warren 8% | Joe Biden 7% Cory Booker 5% Andrew Cuomo 4% Mark Warner 1% Kirsten Gillibrand 0% Martin O'Malley 0% Brian Schweitzer 0% Someone else/Undecided 9% |
| Quinnipiac University Margin of error: ± 4.4% Sample size: 501 | April 23–28, 2014 | Hillary Clinton 64% | Joe Biden 11% | Elizabeth Warren 6% Andrew Cuomo 1% Martin O'Malley 1% Brian Schweitzer 1% Other 1% Wouldn't vote 3% Undecided 13% |
| Quinnipiac University Margin of error: ± 4.3% Sample size: 529 | January 22–27, 2014 | Hillary Clinton 64% | Joe Biden 9% | Elizabeth Warren 5% Andrew Cuomo 1% Martin O'Malley 1% Mark Warner 1% Other 2% Wouldn't vote 2% Undecided 16% |
| Poll source | Date | 1st | 2nd | Other |
| Quinnipiac University Margin of error: ± 4.2% Sample size: 544 | November 12–17, 2013 | Hillary Clinton 70% | Joe Biden 9% | Elizabeth Warren 4% Andrew Cuomo 2% Martin O'Malley 1% Mark Warner 1% Other 2% Wouldn't vote 2% Undecided 10% |
| Public Policy Polling Margin of error: ± 5.7% Sample size: 300 | March 15–18, 2013 | Hillary Clinton 62% | Joe Biden 12% | Andrew Cuomo 5% Elizabeth Warren 3% Martin O'Malley 1% Brian Schweitzer 1% Mark Warner 1% Kirsten Gillibrand 0% Deval Patrick 0% Someone Else/Undecided 14% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 401 | January 11–13, 2013 | Hillary Clinton 65% | Joe Biden 15% | Andrew Cuomo 4% Elizabeth Warren 4% Deval Patrick 1% Mark Warner 1% Kirsten Gillibrand 0% Martin O'Malley 0% Brian Schweitzer 0% Someone Else/Undecided 11% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 401 | January 11–13, 2013 | Andrew Cuomo 22% | Elizabeth Warren 15% | Deval Patrick 5% Martin O'Malley 4% Kirsten Gillibrand 3% Mark Warner 2% Brian Schweitzer 1% Someone Else/Undecided 48% |

### Georgia

Delegate count: 102 Pledged, 15 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | March 1, 2016 | Hillary Clinton 71.3% | Bernie Sanders 28.2% | Other 0.5% |
| SurveyMonkey Margin of error: ± ? Sample size: 961 | February 22–29, 2016 | Hillary Clinton 59% | Bernie Sanders 36% | Others / Undecided 5% |
| WSB-TV/Landmark Margin of error: ± 3.5 Sample size: 800 | February 28, 2016 | Hillary Clinton 70% | Bernie Sanders 23% | Others / Undecided 7% |
| WSB-TV/Landmark Margin of error: ± 3.5% Sample size: 800 | February 26, 2016 | Hillary Clinton 68% | Bernie Sanders 22% | Others / Undecided 10% |
| YouGov/CBS News Margin of error: ± 8.6% Sample size: 492 | February 22–26, 2016 | Hillary Clinton 63% | Bernie Sanders 35% | Others / Undecided 2% |
| WABE 90.1 Margin of error: ± 4.1% Sample size: 400 | February 22–24, 2016 | Hillary Clinton 62% | Bernie Sanders 29% | Others / Undecided 9% |
| TEGNA/SurveyUSA Margin of error: ± 4.2% Sample size: 501 | February 22–23, 2016 | Hillary Clinton 66% | Bernie Sanders 27% | Others / Undecided 7% |
| FOX 5 Atlanta Margin of error: ± 4.4% Sample size: 491 | February 22–23, 2016 | Hillary Clinton 57% | Bernie Sanders 29% | Others / Undecided 14% |
| NBC News/Wall St. Jrnl Margin of error: ± 4.6% Sample size: 461 | February 18–23, 2016 | Hillary Clinton 64% | Bernie Sanders 30% | Others / Undecided 6% |
| WSB-TV/Landmark Margin of error: ± 3.7% Sample size: 700 | February 21, 2016 | Hillary Clinton 72% | Bernie Sanders 20% | Others / Undecided 8% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 500 | February 14–16, 2016 | Hillary Clinton 60% | Bernie Sanders 26% | |
| Landmark/RosettaStone Margin of error: ± 4.0% Sample size: 600 | February 4, 2016 | Hillary Clinton 63.3% | Bernie Sanders 21.5% | Undecided 15.2% |
| WXIA-TV/SurveyUSA Margin of error: ± 4.8% Sample size: 2075 | October 15–26, 2015 | Hillary Clinton 73% | Bernie Sanders 16% | Martin O'Malley 4% Undecided 5% |
| Opinion Savvy Margin of error: ± 4.8 Sample size: 413 | Published September 3, 2015 | Hillary Clinton 51% | Bernie Sanders 24% | Joe Biden 15% Lincoln Chafee 5% Martin O'Malley 0% Jim Webb 0% Someone else 1% Undecided 5% |

### Hawaii

Delegate count: 53 Pledged, 7 Unpledged Delegate count: 25 Pledged, 9 Unpledged Winner: Bernie Sanders Caucus date: March 26, 2016
| Poll source | Date | 1st | 2nd |
| Caucus results | April 26, 2016 | Bernie Sanders 69.8% | Hillary Clinton 30.0% |
No polls were conducted for the Hawaii Democratic caucuses
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### Idaho

Delegate count: 23 Pledged, 4 Unpledged Winner: Bernie Sanders Caucus date: March 22, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | March 24, 2016 | Bernie Sanders 78.04% | Hillary Clinton 21.21% | Other 0.75% |
| Dan Jones & Associates Margin of error: ± 4.0% Sample size: 601 | February 17–26, 2016 | Bernie Sanders 47% | Hillary Clinton 45% | |
| Dan Jones & Associates Margin of error: ± 4.02% Sample size: 595 | October 28 – November 4, 2015 | Hillary Clinton 55% | Bernie Sanders 35% | Other candidates 4% Don't know 6% |
| Dan Jones & Associates Margin of error: ± 4% Sample size: 586 | September 22–30, 2015 | Hillary Clinton 38% | Bernie Sanders 36% | Joe Biden 16% Other/DK/NR 10% |
| Dan Jones & Associates Margin of error: ± ? Sample size: ? | Published August 9, 2015 | Hillary Clinton 44% | Bernie Sanders 22% | Joe Biden 15% Other/DK/NR 19% |
| Idaho Politics Weekly Margin of error: ± ? Sample size: ? | June 17 – July 1, 2015 | Hillary Clinton 19% | Bernie Sanders 12% | Joe Biden 10% Someone else 18% Don't know 32% |

### Illinois

Delegate count: 156 Pledged, 26 Unpledged Winner: Hillary Clinton
Primary date: March 15, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | March 15, 2016 | Hillary Clinton 50.6% | Bernie Sanders 48.6% | Others 0.8% |
| McKeon & Associates Margin of error: ± 4.1% Sample size: 428 | March 12, 2016 | Hillary Clinton 31% | Bernie Sanders 30% | Others / Undecided 39% |
| Public Policy Polling Margin of error: ± 3.9% Sample size: 627 | March 11–12, 2016 | Hillary Clinton 48% | Bernie Sanders 45% | Others / Undecided 7% |
| CBS News/YouGov Margin of error: ± 5.5% Sample size: 756 | March 9–11, 2016 | Bernie Sanders 48% | Hillary Clinton 46% | Others / Undecided 6% |
| NBC News/Wall Street Journal/Marist Margin of error: ± 4.3% Sample size: 529 | March 4–10, 2016 | Hillary Clinton 51% | Bernie Sanders 45% | Others / Undecided 4% |
| We Ask America Margin of error: ± 3.11% Sample size: 994 | March 7–8, 2016 | Hillary Clinton 62% | Bernie Sanders 25% | Others / Undecided 13% |
| Chicago Tribune Margin of error: ±4.1% Sample size: 600 | March 2–6, 2016 | Hillary Clinton 67% | Bernie Sanders 25% | Others / Undecided 8% |
| We Ask America Margin of error: ± 3.0 Sample size: 1,116 | February 24, 2016 | Hillary Clinton 57% | Bernie Sanders 28% | Others / Undecided 15% |
| The Simon Poll/SIU Margin of error: ± 5.6 Sample size: 306 | February 15–20, 2016 | Hillary Clinton 51% | Bernie Sanders 32% | Others / Undecided 17% |
| The Illinois Observer Margin of error: ± 4.23 Sample size: 560 | February 11, 2016 | Hillary Clinton 58% | Bernie Sanders 25% | Others / Undecided 18% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 409 | July 20–21, 2015 | Hillary Clinton 60% | Bernie Sanders 23% | Others / Undecided 17% |

### Indiana

Delegate count: 83 Pledged, 9 Unpledged Winner: Bernie Sanders
Primary date: May 3, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary Results | May 3, 2016 | Bernie Sanders 52.5% | Hillary Clinton 47.5% | |
| ARG Margin of error: ± 5% Sample size: 400 | April 27–28, 2016 | Hillary Clinton 51% | Bernie Sanders 43% | Others / Undecided 6% |
| NBC/WSJ/Marist Margin of error: ± 3.9% Sample size: 645 | April 26–28, 2016 | Hillary Clinton 50% | Bernie Sanders 46% | Others / Undecided 4% |
| IPFW/Mike Downs Center Margin of error: ± 4.9% Sample size: 400 | April 13–27, 2016 | Hillary Clinton 55% | Bernie Sanders 40% | Others / Undecided 5% |
| IPFW/Downs Center Margin of error: ± 4.9% Sample size: 400 | April 18–23, 2016 | Hillary Clinton 54% | Bernie Sanders 41% | Others / Undecided 5% |
| CBS/YouGov Margin of error: ± 8.2% Sample size: 439 | April 20–22, 2016 | Hillary Clinton 49% | Bernie Sanders 44% | Others / Undecided 7% |
| FOX News Margin of error: ± 4% Sample size: 603 | April 18–21, 2016 | Hillary Clinton 46% | Bernie Sanders 42% | Others / Undecided 12% |
| WTHR News Margin of error: ± 4.47% Sample size: 500 | April 18–21, 2016 | Hillary Clinton 48% | Bernie Sanders 45% | Others / Undecided 7% |

### Iowa

Delegate count: 44 Pledged, 8 Unpledged Winner: Hillary Clinton
Caucus date: February 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | February 1, 2016 | Hillary Clinton 49.9% | Bernie Sanders 49.6% | Martin O'Malley 0.6% |
| Emerson College 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 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 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 Margin of error ± 3.4% Sample size: 851 | January 26–27, 2016 | Hillary Clinton 48% | Bernie Sanders 40% | Martin O'Malley 7% No preference 5% |
| Gravis Marketing Margin of error ± 3% Sample size: 810 | January 26–27, 2016 | Hillary Clinton 53% | Bernie Sanders 42% | Martin O'Malley 5% No preference 0% |
| Monmouth University Margin of error ± 4.4% Sample size: 504 | January 23–26, 2016 | Hillary Clinton 47% | Bernie Sanders 42% | Martin O'Malley 6% Undecided 5% |
| American Research Group Margin of error ± 5.0% Sample size: 400 | January 21–24, 2016 | Bernie Sanders 48% | Hillary Clinton 45% | Martin O'Malley 3% No preference 4% |
| Quinnipiac University Margin of error: ± 4% Sample size: 606 | January 18–24, 2016 | Bernie Sanders 49% | Hillary Clinton 45% | Martin O'Malley 4% Undecided 2% |
| ISU/WHO-HD Margin of error: ± Sample size: 356 | January 5–22, 2016 | Hillary Clinton 47% | Bernie Sanders 45% | Martin O'Malley <1% Undecided 7% |
| Fox News Margin of error ± 4.5% Sample size: 432 | January 18–21, 2016 | Hillary Clinton 48% | Bernie Sanders 42% | Martin O'Malley 3% No preference 7% |
| YouGov/CBS News Margin of error ± 8.9% Sample size: 906 | January 17–21, 2016 | Bernie Sanders 47% | Hillary Clinton 46% | Martin O'Malley 5% No preference 2% |
| Emerson College Polling Society Margin of error: ± 5.9% Sample size: 271 | January 18–20, 2016 | Hillary Clinton 52% | Bernie Sanders 43% | Martin O'Malley 3% Undecided 2% |
| CNN/ORC Margin of error: ± 6% Sample size: 280 | January 15–20, 2016 | Bernie Sanders 51% | Hillary Clinton 43% | Martin O'Malley 4% Undecided 2% |
| Monmouth College/KBUR Margin of error: ± 4.1% Sample size: 500 | January 18–19, 2016 | Hillary Clinton 47.7% | Bernie Sanders 39.3% | Martin O'Malley 7.4% Undecided 5% |
| Loras College Margin of error: ± 4.4% Sample size: 580 | January 8–10, 2016 | Hillary Clinton 46% | Bernie Sanders 40% | Martin O'Malley 8% Undecided 5% |
| Public Policy Polling Margin of error: ± 4.1% Sample size: 580 | January 8–10, 2016 | Hillary Clinton 46% | Bernie Sanders 40% | Martin O'Malley 8% Undecided 5% |
| Bloomberg/DMR Margin of error: ± 4.4% Sample size: 503 | January 7–10, 2016 | Hillary Clinton 42% | Bernie Sanders 40% | Martin O'Malley 4% Other/Undecided 14% |
| American Research Group Margin of error: ± 4.0% Sample size: 600 | January 6–10, 2016 | Bernie Sanders 47% | Hillary Clinton 44% | Martin O'Malley 3% Undecided 5% |
| Quinnipiac University Margin of error: ± 4.4% Sample size: 492 | January 5–10, 2016 | Bernie Sanders 49% | Hillary Clinton 44% | Martin O'Malley 4% Undecided 3% |
| Mason-Dixon/AARP Margin of error: ± Sample size: 503 | January 4–8, 2016 | Hillary Clinton 49% | Bernie Sanders 42% | Martin O’Malley 5% Not Reported 4% |
| NBC News/WSJ/Marist Margin of error: ± 4.8% Sample size: 422 | January 2–7, 2016 | Hillary Clinton 48% | Bernie Sanders 45% | Martin O’Malley 5% Undecided 3% |
| Poll source | Date | 1st | 2nd | Other |
| Gravis Marketing Margin of error ± 5% Sample Size: 418 | December 18–21, 2015 | Hillary Clinton 49% | Bernie Sanders 31% | Martin O'Malley 10% Unsure 10% |
| YouGov/CBS News Margin of error ± 5.3% Sample Size: 1252 | December 14–17, 2015 | Hillary Clinton 50% | Bernie Sanders 45% | Martin O'Malley 4% No preference 1% |
| Public Policy Polling Margin of error: ± 4.3% Sample Size: 526 | December 10–13, 2015 | Hillary Clinton 52% | Bernie Sanders 34% | Martin O'Malley 7% Undecided 6% |
| Quinnipiac University Margin of error: ± 3.6% Sample Size: 727 | December 4–13, 2015 | Hillary Clinton 51% | Bernie Sanders 40% | Martin O'Malley 6% Undecided 3% |
| Fox News Margin of error: ± 5.0% Sample Size: 357 | December 7–10, 2015 | Hillary Clinton 50% | Bernie Sanders 36% | Martin O'Malley 5% Other 4% Undecided 10% |
| Loras College Margin of error: ± 4.4 Sample Size: 501 | December 7–10, 2015 | Hillary Clinton 59% | Bernie Sanders 27% | Martin O'Malley 4% Undecided 10% |
| Des Moines Register/Bloomberg/Selzer Margin of error ± 4.9% Sample Size: 404 | December 7–10, 2015 | Hillary Clinton 48% | Bernie Sanders 39% | Martin O'Malley 4% Undeicded 8% |
| Monmouth Margin of error ± 4.9% Sample Size: 405 | December 3–6, 2015 | Hillary Clinton 55% | Bernie Sanders 33% | Martin O'Malley 6% |
| CNN/ORC Margin of error ± 4.5% Sample Size: 442 | November 28 – December 6, 2015 | Hillary Clinton 54% | Bernie Sanders 36% | Martin O'Malley 4% |
| Quinnipiac University Margin of error ± 4.2% Sample Size: 543 | November 16–22, 2015 | Hillary Clinton 51% | Bernie Sanders 42% | Martin O'Malley 4% Undecided 3% |
| YouGov/CBS News Margin of error ± 7.6% Sample Size: 602 | November 15–19, 2015 | Hillary Clinton 50% | Bernie Sanders 44% | Martin O'Malley 5% Undecided 1% |
| CNN/ORC Margin of error ± 4.5% Sample Size: 498 | 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 Margin of error ± 3.0% Sample Size: 272 | 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 Margin of error ± 3.9% Sample Size: 615 | October 30 – November 1, 2015 | Hillary Clinton 57% | Bernie Sanders 25% | Martin O'Malley 7% Lawrence Lessig 1% Not Sure 9% |
| KBUR-Monmouth Margin of error: ± 3.76% Sample size: 681 | October 29–31, 2015 | Hillary Clinton 45.8% | Bernie Sanders 31.7% | Martin O'Malley 5.4% Undecided 17.0% |
| Monmouth University Margin of error ± 3.76% Sample size: 681 | October 29–31, 2015 | Hillary Clinton 45.8% | Bernie Sanders 31.7% | Martin O'Malley 5.4% Undecided 17% |
| Monmouth University Margin of error ± 4.9% Sample size: 400 | October 22–25, 2015 | Hillary Clinton 65% | Bernie Sanders 24% | Martin O'Malley 5% Lawrence Lessig 1% Undecided 5% |
| YouGov/CBS News Margin of error ± 6.9% Sample size: 555 | 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 Margin of error ± 4.9% Sample size: 402 | 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 Margin of error: ± 5.3% Sample size: 348 | 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% |
| NBC News/WSJ/Marist Margin of error: ± 5.3% Sample size: 348 | September 23–30, 2015 | Hillary Clinton 47% | Bernie Sanders 36% | Martin O'Malley 4% Jim Webb 1% Lincoln Chafee <1% Undecided 13% |
| Public Policy Polling Margin of error ± 4.4% Sample size: 494 | 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 Margin of error ± 6.6% Sample size: 646 | 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 Margin of error: ± 3.4% Sample size: 832 | Posted September 10, 2015 | Bernie Sanders 41% | Hillary Clinton 40% | Joe Biden 12% Martin O'Malley 3% |
| NBC News/Marist Poll Margin of error: ± 5.3% Sample size: 345 | 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% |
| NBC News/Marist Poll Margin of error: ± 5.3% Sample size: 345 | Published September 6, 2015 | Hillary Clinton 48% | Bernie Sanders 37% | Martin O'Malley 4% Jim Webb 2% Lincoln Chafee 1% Undecided 8% |
| Loras College Margin of error ± 4.37% Sample size: 502 | 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 Margin of error: ± 4.9% Sample size: 404 | 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% |
| Selzer & Co. of Des Moines Margin of error: ± 4.9% Sample size: 404 | August 23–26, 2015 | 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 Margin of error: ± 4.4% Sample size: 500 | 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 Margin of error: ± 4.5% Sample size: 429 | 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 Margin of error: ± 4.1% Sample size: 567 | 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 Margin of error: ± 5.5% Sample size: 320 | 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 Margin of error: 3.07% Sample size: 1,022 | June 27–29, 2015 | Hillary Clinton 63% | Bernie Sanders 20% | Martin O'Malley 5% Jim Webb 3% Lincoln Chafee 1% Undecided 8% |
| Quinnipiac University Margin of error: 3.6% Sample size: 761 | 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% Sample size: 401 | June 19–22, 2015 | Hillary Clinton 50% | Bernie Sanders 24% | Martin O'Malley 2% Lincoln Chafee 0% Undecided 23% |
| Morning Consult Margin of error: ? Sample size: 322 | 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% Sample size: 434 | 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% Sample size: 437 | 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% Sample size: 692 | 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% Sample size: 466 | 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% Sample size: 491 | 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% Sample size: 619 | 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% Sample size: 321 | 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% Sample size: 401 | 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% Sample size: 261 | 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 | Other |
| Fox News Margin of error: ± 5% Sample size: 352 | 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: ± ? Sample size: 552 | 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% Sample size: 426 | 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% Sample size: 309 | 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% Sample size: 191 | 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% Sample size: 539 | July 7–13, 2014 | Hillary Clinton 70% | Joe Biden 20% | Undecided 10% |
| Vox Populi Polling Margin of error: ± 6.6% Sample size: 223 | 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% Sample size: 356 | 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% |
| Public Policy Polling Margin of error: ±5.2% Sample size: 356 | May 15–19, 2014 | 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% |
| Public Policy Polling Margin of error: ±5.2% Sample size: 356 | May 15–19, 2014 | 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% |
| Suffolk Margin of error: ± 8.4% Sample size: 135 | 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% Sample size: 335 | 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% |
| Public Policy Polling Margin of error: ±5.4% Sample size: 335 | February 20–23, 2014 | 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% |
| Public Policy Polling Margin of error: ±5.4% Sample size: 335 | February 20–23, 2014 | 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 | Other |
| Cygnal Margin of error: ±2.1% Sample size: 2,175 | 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% Sample size: 260 | 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% |
| Public Policy Polling Margin of error: ±6.1% Sample size: 260 | July 5–7, 2013 | 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% |
| Public Policy Polling Margin of error: ±6.1% Sample size: 260 | July 5–7, 2013 | 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% |
| Public Policy Polling Margin of error: ±5.5% Sample size: 313 | 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% |
| Public Policy Polling Margin of error: ±5.5% Sample size: 313 | February 1–3, 2013 | 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% |
| Public Policy Polling Margin of error: ±5.5% Sample size: 313 | February 1–3, 2013 | 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: Sample size: 183 | January 29, 2013 | Hillary Clinton 65.38% | Joe Biden 13.74% | Andrew Cuomo 3.85% Undecided 17.03% |

### Kansas

Delegate count: 33 Pledged, 4 Unpledged Winner: Bernie Sanders Caucus date: March 5, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Caucus results | March 5, 2016 | Bernie Sanders 67.9% | Hillary Clinton 32.1% | Uncommitted 0.0% | |
| Fort Hays State University Margin of error: ± 5.0 Sample size: 440 | February 19–26, 2016 | Hillary Clinton 33% | Bernie Sanders 23% | | Undecided 44% |
| Suffolk University Margin of error: ± ? Sample size: 118 | September 27–30, 2014 | Hillary Clinton 62% | Elizabeth Warren 14% | Joe Biden 4% | Andrew Cuomo 4%, Martin O'Malley 1%, Other 2%, Undecided/Refused 14% |

### Kentucky

Delegate count: 55 Pledged, 5 Unpledged Winner: Hillary Clinton Primary date: May 17, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | May 17, 2016 | Hillary Clinton 46.8% | Bernie Sanders 46.3% | | Others / Uncommitted 6.9% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 501 | March 1–2, 2016 | Hillary Clinton 43% | Bernie Sanders 38% | | Others / Undecided 19% |
| Public Policy Polling Margin of error: ± 4% Sample size: 610 | June 18–21, 2015 | Hillary Clinton 56% | Bernie Sanders 12% | Jim Webb 7% | Lincoln Chafee 5%, Martin O'Malley 3%, Not sure 18% |

### Louisiana

Delegate count: 51 Pledged, 8 Unpledged Winner: Hillary Clinton Primary date: March 5, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Certified Primary results | March 5, 2016 | Hillary Clinton 71.1% | Bernie Sanders 23.2% | | Others 5.7% |
| Magellan Strategies Margin of error: ± 3.3% Sample size: 865 | March 1, 2016 | Hillary Clinton 61% | Bernie Sanders 14% | | Others / Undecided 25% |
| Public Policy Polling Margin of error: ± 4.4 Sample size: 500 | February 14–16, 2016 | Hillary Clinton 60% | Bernie Sanders 29% | | |
| WWL-TV-Clarus Margin of error: ? Sample size: ? | September 20–23, 2015 | Hillary Clinton 57% | Joe Biden 22% | Bernie Sanders 7% | Martin O'Malley 2%, Jim Webb 1%, Lincoln Chafee 0% |

### Maine

Delegate count: 25 Pledged, 5 Unpledged Winner: Bernie Sanders Primary date: March 6, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | March 6, 2016 | Bernie Sanders 64.3 | Hillary Clinton 35.5% | Other 0.2% |
| Critical Insights Margin of error: 4% Sample size: 600 | September 24–30, 2015 | Bernie Sanders 28% | Hillary Clinton 27% | Other/DK/NR 45% |

### Maryland

Delegate count: 95 Pledged, 23 Unpledged Winner: Hillary Clinton Primary date: April 26, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | April 26, 2016 | Hillary Clinton 62.5% | Bernie Sanders 33.8% | Others / Uncommitted 3.7% |
| ARG Margin of error: ± 5.0% Sample size: 400 | April 21–24, 2016 | Hillary Clinton 50% | Bernie Sanders 44% | Others / Undecided 6% |
| Monmouth Margin of error: ± 5.7% Sample size: 300 | April 18–20, 2016 | Hillary Clinton 57% | Bernie Sanders 32% | Others / Undecided 11% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 492 | April 15–17, 2016 | Hillary Clinton 58% | Bernie Sanders 33% | Others / Undecided 9% |
| NBC 4/Marist Margin of error: ± 3.5% Sample size: 775 | April 5–9, 2016 | Hillary Clinton 58% | Bernie Sanders 36% | Others / Undecided 6% |
| University of Maryland/Washington Post Margin of error: ± 5.5% Sample size: 539 | March 30 - April 4, 2016 | Hillary Clinton 55% | Bernie Sanders 40% | Others / Undecided 5% |
| Baltimore Sun Margin of error: ± 4.9% Sample size: 400 | March 4–8, 2016 | Hillary Clinton 61% | Bernie Sanders 28% | Others / Undecided 11% |
| Gonzales/Arscott Research Margin of error: ± 5.0 Sample size: 411 | February 29-March 4, 2016 | Hillary Clinton 57% | Bernie Sanders 26% | Others / Undecided 17% |
| Goucher Margin of error: ± 3.5 Sample size: 794 | February 13–18, 2016 | Hillary Clinton 58% | Bernie Sanders 28% | Others / Undecided 14% |
| Baltimore Sun/University of Baltimore Margin of error: ± 5% Sample size: 402 | January 11–16, 2016 | Hillary Clinton 40% | Bernie Sanders 27% | Others / Undecided 33% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Baltimore Sun/University of Baltimore Margin of error: ± 4.8% Sample size: 419 | November 13–17, 2015 | Hillary Clinton 56% | Bernie Sanders 23% | Martin O'Malley 7% | Other/Unsure 14% |
| Washington Post Margin of error: ± 5% Sample size: 490 | October 8–11, 2015 | Hillary Clinton 43% | Joe Biden 26% | Bernie Sanders 20% | Martin O'Malley 4%, Jim Webb 1%, Lincoln Chafee 0%, None/Any/Other 3%, No Opinion 2% |
| Goucher Margin of error: ± 5.7% Sample size: 300 | September 26 – October 1, 2015 | Hillary Clinton 43% | Joe Biden 23% | Bernie Sanders 17% | Martin O'Malley 2%, Jim Webb 2%, Lincoln Chafee 0%, None/Any/Other 2%, Undecided 11% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Washington Post Margin of error: ± 5% Sample size: 538 | February 13–16, 2014 | Hillary Clinton 72% | Joe Biden 9% | Martin O'Malley 6% | Elizabeth Warren 3%, Andrew Cuomo 2%, None 1%, Undecided 7% |
| Baltimore Sun Margin of error: ± 4.4% Sample size: 500 | February 8–12, 2014 | Hillary Clinton 59% | Joe Biden 14% | Martin O'Malley 6% | Andrew Cuomo 4%, Undecided/Other 17% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Washington Post Margin of error: Sample size: | February 21–24, 2013 | Hillary Clinton 56% | Joe Biden 18% | Martin O'Malley 8% | Andrew Cuomo 4%, None/other/any of them 4%, No opinion 9% |
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### Massachusetts

Delegate count: 91 Pledged, 25 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Primary results | March 1, 2016 | Hillary Clinton 49.7% | Bernie Sanders 48.3% | | Others / Uncommitted 2.0% |
| SurveyMonkey Margin of error: ± ? Sample size: 1,224 | February 22–29, 2016 | Hillary Clinton 48% | Bernie Sanders 46% | | Others / Undecided 6% |
| Emerson College Margin of error: ± 3.7% Sample size: 670 | February 26–28, 2016 | Hillary Clinton 54% | Bernie Sanders 43% | | Others / Undecided 3% |
| Suffolk University Margin of error: ± 4.4% Sample size: 500 | February 25–27, 2016 | Hillary Clinton 50% | Bernie Sanders 42% | | Others / Undecided 8% |
| WBZ-UMass Amherst Margin of error: ± 6.5% Sample size: 400 | February 19–25, 2016 | Hillary Clinton 47% | Bernie Sanders 44% | | Others / Undecided 9% |
| WBUR Margin of error: ± 4.9% Sample size: 418 | February 21–23, 2016 | Hillary Clinton 49% | Bernie Sanders 44% | | Others / Undecided 7% |
| Emerson College Margin of error: ± 4.75% Sample size: 417 | February 19–21, 2016 | Hillary Clinton 46% | Bernie Sanders 46% | | Undecided 5% |
| Public Policy Polling Margin of error: ± 4.2 Sample Size: 538 | February 14–16, 2016 | Bernie Sanders 49% | Hillary Clinton 42% | | Undecided 9% |
| Emerson College Margin of error: ± 6.0% Sample size: 265 | October 16–18, 2015 | Hillary Clinton 59% | Bernie Sanders 25% | Jim Webb 5% | Martin O'Malley 3%, Lincoln Chafee 3%, Other 2%, Undecided 3% |
| Emerson College Margin of error: ± ? Sample size: 430 | March 14–19, 2015 | Hillary Clinton 43% | Elizabeth Warren 16% | Joe Biden 10% | Bernie Sanders 6%, Martin O'Malley 2%, Other/Undecided 24% |
| Gravis Marketing Margin of error: ± 4% Sample size: 358 | January 19–21, 2015 | Hillary Clinton 46% | Elizabeth Warren 22% | | Undecided 32% |
| Suffolk University Margin of error: ± 4.9% Sample size: 400 | August 21–24, 2014 | Hillary Clinton 55% | Elizabeth Warren 17.25% | Joe Biden 7.75% | Andrew Cuomo 4.75%, Martin O'Malley 1.5%, Undecided 12.25%, Refused 1.25%, Other 0.25% |
| Public Policy Polling Margin of error: ± 3.8% Sample size: 666 | May 1–2, 2013 | Hillary Clinton 55% | Joe Biden 17% | Andrew Cuomo 4% | Deval Patrick 4%, Elizabeth Warren 4%, Martin O'Malley 1%, Kirsten Gillibrand 0%, Brian Schweitzer 0%, Mark Warner 0%, Someone else/Not sure 14% |

### Michigan

Delegate count: 130 Pledged, 17 Unpledged Winner: Bernie Sanders
Primary date: March 8, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | March 8, 2016 | Bernie Sanders 49.7% | Hillary Clinton 48.3% | | Others / Uncommitted 2.1% |
| FOX 2 Detroit/Mitchell Margin of error: ± 4.5% Sample size: 482 | March 7, 2016 | Hillary Clinton 61% | Bernie Sanders 34% | | Others / Undecided 5% |
| FOX 2 Detroit/Mitchell Margin of error: ± 4.5% Sample size: 475 | March 6, 2016 | Hillary Clinton 66% | Bernie Sanders 29% | | Others / Undecided 5% |
| Monmouth Margin of error: ± 5.6% Sample size: 302 | March 3–6, 2016 | Hillary Clinton 55% | Bernie Sanders 42% | | Others / Undecided 4% |
| ARG Margin of error: ± 5.0% Sample size: 400 | March 4–5, 2016 | Hillary Clinton 60% | Bernie Sanders 36% | | Others / Undecided 4% |
| CBS News/YouGov Margin of error: ± 7.7% Sample size: 597 | March 2–4, 2016 | Hillary Clinton 55% | Bernie Sanders 44% | | Others / Undecided 1% |
| Mitchell/FOX 2 Margin of error: ± 4.0% Sample size: 610 | March 2–3, 2016 | Hillary Clinton 55% | Bernie Sanders 37% | | Others / Undecided 8% |
| NBC News/Wall St. Jrnl Margin of error: ± 4.2% Sample size: 546 | March 1–3, 2016 | Hillary Clinton 57% | Bernie Sanders 40% | | Others / Undecided 3% |
| MSU Margin of error: ± 6.1% Sample size: 262 | January 25-March 3, 2016 | Hillary Clinton 52% | Bernie Sanders 47% | | Others / Undecided 1% |
| FOX 2 Detroit/Mitchell Margin of error: ± 4.7% Sample size: 427 | March 1, 2016 | Hillary Clinton 61% | Bernie Sanders 33% | | Others / Undecided 6% |
| MRG Margin of error: ± 4.0% Sample size: 218 | February 22–27, 2016 | Hillary Clinton 56% | Bernie Sanders 36% | | Others / Undecided 8% |
| FOX 2 Detroit/Mitchell Margin of error: ± 5.3% Sample size: 344 | February 23, 2016 | Hillary Clinton 65% | Bernie Sanders 31% | | Others / Undecided 4% |
| ARG Margin of error: ± 5% Sample size: 400 | February 19–20, 2016 | Hillary Clinton 53% | Bernie Sanders 40% | | Others / Undecided 7% |
| Fox 2 Detroit/Mitchell Margin of error: ± 4.69% Sample size: 430 | February 15, 2016 | Hillary Clinton 60% | Bernie Sanders 27% | | Others / Undecided 13% |
| Public Policy Polling Margin of error: ± 4.4 Sample size: 500 | February 14–16, 2016 | Hillary Clinton 50% | Bernie Sanders 40% | | |
| Fox 2 Detroit/Mitchell Margin of error: ± 5.5% Sample size: 321 | February 4, 2016 | Hillary Clinton 57% | Bernie Sanders 28% | | Others / Undecided 15% |
| IMP/Target Insyght Margin of error: ± 5.0% Sample size: 400 | February 2–4, 2016 | Hillary Clinton 62% | Bernie Sanders 30% | | Others / Undecided 8% |
| Marketing Resource Group Margin of error: ± 4% Sample size: 600 | September 9–14, 2015 | Hillary Clinton 41% | Bernie Sanders 22% | Joe Biden 22% | Martin O'Malley 1%, Undecided 12% |
| Public Policy Polling Margin of error: ± 4.7% Sample size: 431 | June 25–28, 2015 | Hillary Clinton 57% | Bernie Sanders 25% | Lincoln Chafee 5% | Jim Webb 2%, Martin O'Malley 1%, Not sure 10% |
| Suffolk Margin of error: ± ? Sample size: 212 | September 6–10, 2014 | Hillary Clinton 61% | Joe Biden 17% | Elizabeth Warren 7% | Andrew Cuomo 4%, Martin O'Malley 1%, Undecided 9%, Refused 1% |

### Minnesota

Delegate count: 77 Pledged, 16 Unpledged Winner: Bernie Sanders Caucus date: March 1, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Caucus results | March 1, 2016 | Bernie Sanders 61.6% | Hillary Clinton 38.4% | | |
| Star Tribune/Mason-Dixon Margin of error: ± 5.7% Sample size: 800 | January 18–20, 2016 | Hillary Clinton 59% | Bernie Sanders 25% | Martin O'Malley 1% | Undecided 15% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 426 | July 30 – August 2, 2015 | Hillary Clinton 50% | Bernie Sanders 32% | Martin O'Malley 4% | Lincoln Chafee 3%, Jim Webb 2%, Not sure 10% |
| Suffolk University Margin of error: ± ? Sample size: 100 | April 24–28, 2014 | Hillary Clinton 63% | Elizabeth Warren 15% | Joe Biden 4% | Cory Booker 3%, Deval Patrick 2%, Mark Warner 2%, Andrew Cuomo 1%, Undecided 10% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 373 | January 18–20, 2013 | Hillary Clinton 59% | Joe Biden 14% | Amy Klobuchar 11% | Elizabeth Warren 4%, Andrew Cuomo 3%, Martin O'Malley 1%, Deval Patrick 0%, Brian Schweitzer 1%, Mark Warner 0%, Someone Else/Undecided 10% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 373 | January 18–20, 2013 | Amy Klobuchar 43% | Andrew Cuomo 14% | Elizabeth Warren 10% | Martin O'Malley 1%, Deval Patrick 1%, Brian Schweitzer 0%, Mark Warner 0%, Someone Else/Undecided 30% |

### Mississippi

Delegate count: 36 Pledged, 5 Unpledged Winner: Hillary Clinton Primary date: March 8, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | March 8, 2016 | Hillary Clinton 82.5% | Bernie Sanders 16.6% | Others / Uncommitted 0.9% |
| Magellan Strategies Margin of error: ±4.5% Sample size: 471 | February 29, 2016 | Hillary Clinton 65% | Bernie Sanders 11% | Others / Undecided 24% |
| Public Policy Polling Margin of error: ± 4.3 Sample size: 514 | February 14–16, 2016 | Hillary Clinton 60% | Bernie Sanders 26% | |

### Missouri

Delegate count: 71 Pledged, 13 Unpledged Winner: Hillary Clinton
Primary date: March 15, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | March 15, 2016 | Hillary Clinton 49.6% | Bernie Sanders 49.4% | | Others / Uncommitted 1.0% |
| Public Policy Polling Margin of error: ± 3.4% Sample size: 839 | March 11–12, 2016 | Bernie Sanders 47% | Hillary Clinton 46% | | Others / Undecided 7% |
| RABA Research Margin of error: ± 4% Sample size: 670 | March 8–10, 2016 | Hillary Clinton 44% | Bernie Sanders 40% | | Others / Undecided 16% |
| Fort Hayes State University Margin of error: ± 8% Sample size: 145 | March 3–10, 2016 | Hillary Clinton 47% | Bernie Sanders 40% | | Others / Undecided 13% |
| Public Policy Polling Margin of error: 5.2% Sample size: 352 | August 7–9, 2015 | Hillary Clinton 53% | Bernie Sanders 25% | Martin O'Malley 5% | Jim Webb 5%, Lincoln Chafee 1%, Not sure 12% |

### Montana

Delegate count: 21 Pledged, 6 Unpledged Winner: Bernie Sanders Primary date: June 7, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | June 7, 2016 | Bernie Sanders 51.6% | Hillary Clinton 44.2% | | No Preference 4.3% |
| Gravis Marketing Margin of error: 3% Sample size: 1,035 | February 24–25, 2015 | Hillary Clinton 42.2% | Elizabeth Warren 34.3% | Joe Biden 5.9% | Jim Webb 2.9%, Mark Warner 2%, Martin O'Malley 1%, Unsure 11.8% |
| Public Policy Polling Margin of error: ± 5% Sample size: 381 | November 15–17, 2013 | Hillary Clinton 47% | Brian Schweitzer 26% | Elizabeth Warren 8% | Joe Biden 6%, Andrew Cuomo 3%, Cory Booker 1%, Martin O'Malley 1%, Kirsten Gillibrand 0%, Mark Warner 0%, Someone Else/Undecided 7% |
| Public Policy Polling Margin of error: ± 5.6% Sample size: 316 | June 21–23, 2013 | Hillary Clinton 52% | Brian Schweitzer 17% | Joe Biden 9% | Cory Booker 3%, Elizabeth Warren 3%, Andrew Cuomo 1%, Kirsten Gillibrand 1%, Martin O'Malley 0%, Mark Warner 0%, Someone Else/Undecided 13% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 371 | February 15–17, 2013 | Hillary Clinton 58% | Brian Schweitzer 22% | Joe Biden 9% | Elizabeth Warren 5%, Andrew Cuomo 3%, Martin O'Malley 1%, Deval Patrick 1%, Kirsten Gillibrand 0%, Mark Warner 0%, Someone Else/Undecided 5% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 371 | February 15–17, 2013 | Brian Schweitzer 35% | Joe Biden 28% | Elizabeth Warren 13% | Mark Warner 5%, Andrew Cuomo 4%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Deval Patrick 0%, Someone Else/Undecided 13% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 371 | February 15–17, 2013 | Brian Schweitzer 46% | Elizabeth Warren 18% | Andrew Cuomo 12% | Mark Warner 3%, Martin O'Malley 2%, Kirsten Gillibrand 1%, Deval Patrick 1%, Someone Else/Undecided 18% |
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### Nebraska

Delegate count: 25 Pledged, 5 Unpledged Winner: Bernie Sanders Primary date: March 5, 2016
| Poll source | Date | 1st | 2nd | 3rd |
| Caucus results | March 5, 2016 | Bernie Sanders 57.1% | Hillary Clinton 42.9% | |
No polls were conducted for the Nebraska Democratic caucuses

### Nevada

Delegate count: 35 Pledged, 8 Unpledged Winner: Hillary Clinton
Caucus date: February 20, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | February 20, 2016 | Hillary Clinton 52.6% | Bernie Sanders 47.3% | Other 0.1% |
| Gravis Marketing Margin of error: ± 4.0 Sample size: 516 | February 14–15, 2016 | Hillary Clinton 53% | Bernie Sanders 47% | |
| CNN/ORC Margin of error: ± 6.0 Sample size: 282 | February 10–15, 2016 | Hillary Clinton 48% | Bernie Sanders 47% | Others / Undecided 6% |
| Washington Free Beacon/TPC Research Margin of error: ± 2.9 Sample size: 1,236 | February 8–10, 2016 | Hillary Clinton 45% | Bernie Sanders 45% | Undecided 9% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Gravis Marketing Margin of error: ± 5% Sample size: 326 | December 23–27, 2015 | Hillary Clinton 50% | Bernie Sanders 27% | Martin O'Malley 1% | Unsure 16% |
| CNN/ORC Margin of error: ± 6% Sample size: 253 | October 3–10, 2015 | Hillary Clinton 50% | Bernie Sanders 34% | Joe Biden 12% | |
| Gravis Marketing Margin of error: ± 5% Sample size: 416 | July 12–13, 2015 | Hillary Clinton 55% | Bernie Sanders 18% | Elizabeth Warren 8% | Joe Biden 5%, Lincoln Chafee 1%, Jim Webb 1%, Martin O'Malley 0%, Unsure 12% |
| Gravis Marketing Margin of error: ± 6% Sample size: 324 | March 27, 2015 | Hillary Clinton 61% | Elizabeth Warren 15% | Bernie Sanders 7% | Joe Biden 3%, Al Gore 3%, Martin O'Malley 1%, Jim Webb 0%, Unsure 10% |
| Gravis Marketing Margin of error: ± 6% Sample size: 324 | February 21–22, 2015 | Hillary Clinton 58% | Elizabeth Warren 20% | Joe Biden 8% | Bernie Sanders 4%, Jim Webb 3%, Martin O'Malley 0%, Undecided 7% |

### New Hampshire

Delegate count: 24 Pledged, 8 Unpledged Winner: Bernie Sanders Primary date: February 9, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | February 9, 2016 | Bernie Sanders 60.1% | Hillary Clinton 37.7% | | Others / Uncommitted 2.2% |
| American Research Group Margin of error: ± 5% Sample size: 408 | February 6–7, 2016 | Bernie Sanders 53% | Hillary Clinton 41% | | Undecided 6% |
| University of Massachusetts-Lowell/7 News survey Margin of error: ± 5.38% Sample size: 428 | February 4–6, 2016 | Bernie Sanders 57% | Hillary Clinton 40% | | Others / Undecided 3% |
| University of Massachusetts-Lowell/7 News survey Margin of error: ± 5.3% Sample size: 442 | January 29–31, 2016 | Bernie Sanders 61% | Hillary Clinton 30% | Martin O'Malley 1% | Undecided 6% |
| CNN/WMUR Margin of error: ± 5.3% Sample size: 347 | January 27–30, 2016 | Bernie Sanders 57% | Hillary Clinton 34% | Martin O'Malley 1% | Other, Undecided, or Not Committed 9% |
| Emerson College Margin of error ± 5.2% Sample Size: 350 | January 25–26, 2016 | Bernie Sanders 52% | Hillary Clinton 44% | Martin O'Malley 3% | Other 1% |
| American Research Group Margin of error ± 4% Sample Size: 396 | January 23–25, 2016 | Bernie Sanders 49% | Hillary Clinton 42% | Martin O'Malley 3% | Other 6% |
| Franklin Pierce University/Boston Herald Margin of error ± 4.9% Sample Size: 408 | January 20–24, 2016 | Bernie Sanders 55% | Hillary Clinton 39% | Martin O'Malley 2% | Other 5% |
| Fox News Margin of error ± 4.5% Sample Size: 400 | January 18–21, 2016 | Bernie Sanders 56% | Hillary Clinton 34% | Martin O'Malley 3% | Other 7% |
| CBS News/YouGov Margin of error ± 6.2% Sample Size: | January 18–21, 2016 | Bernie Sanders 57% | Hillary Clinton 38% | Martin O'Malley 5% | No preference 0% |
| Suffolk University Margin of error – Sample Size: 500 | January 17–21, 2016 | Bernie Sanders 50% | Hillary Clinton 41% | Martin O'Malley 2% | Other/Undecided 7% |
| American Research Group Margin of error ± 4% Sample Size: 600 | January 15–18, 2016 | Bernie Sanders 49% | Hillary Clinton 43% | Martin O'Malley 3% | Undecided 5% |
| Gravis Marketing Margin of error ± 4.5% Sample Size: 472 | January 15–18, 2016 | Bernie Sanders 46% | Hillary Clinton 43% | Martin O'Malley 2% | Undecided 8% |
| CNN and WMUR Margin of error ± 4.8% Sample Size: 420 | January 13–18, 2016 | Bernie Sanders 60% | Hillary Clinton 33% | Martin O'Malley 1% | Undecided 6% |
| Monmouth University Poll Margin of error ± 4.8% Sample Size: 413 | January 7–10, 2016 | Bernie Sanders 53% | Hillary Clinton 39% | Martin O'Malley 5% | Undecided 3% |
| Fox News Margin of error ± 5% Sample Size: 386 | January 4–7, 2016 | Bernie Sanders 50% | Hillary Clinton 37% | Martin O'Malley 3% | Other 2%, None of the above 5%, Don't know 3% |
| NBC News/WSJ/Marist Margin of error: ± 4.8% Sample size: 425 | January 2–7, 2016 | Bernie Sanders 50% | Hillary Clinton 46% | Martin O'Malley 1% | |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| American Research Group Margin of error ± 4% Sample Size: 600 | December 20–22, 2015 | Hillary Clinton 46% | Bernie Sanders 43% | Martin O'Malley 3% | Other <0.5%, Undecided 7% |
| YouGov/CBS News Margin of error ± 5.7% Sample Size: 1091 | December 14–17, 2015 | Bernie Sanders 56% | Hillary Clinton 42% | Martin O'Malley 1% | No preference 1% |
| Boston Herald Margin of error ± 4.8% Sample Size: 410 | December 13–17, 2015 | Bernie Sanders 48% | Hillary Clinton 46% | Martin O'Malley 2% | Undecided 4% |
| CNN and WMUR Margin of error: ± 5.1% Sample size: 370 | November 30 – December 7, 2015 | Bernie Sanders 50% | Hillary Clinton 40% | Martin O'Malley 1% | Someone Else/Not Sure 6% |
| Public Policy Polling Margin of error: ± 4.6% Sample size: 458 | November 30 – December 2, 2015 | Hillary Clinton 44% | Bernie Sanders 42% | Martin O'Malley 8% | Someone Else/Not Sure 7% |
| YouGov/CBS News Margin of error: ± 5.2% Sample size: 561 | November 15–19, 2015 | Bernie Sanders 52% | Hillary Clinton 45% | Martin O'Malley 3% | Undecided 0% |
| Fox News Margin of error: ± 3.5% Sample size: 804 | November 15–17, 2015 | Bernie Sanders 45% | Hillary Clinton 44% | Martin O'Malley 5% | None 1%, Don't Know 5% |
| Gravis Marketing Margin of error: ± 6.7% Sample size: 214 | November 11, 2015 | Hillary Clinton 46% | Bernie Sanders 25% | Martin O'Malley 3% | Unsure 26% |
| Monmouth University Polling Institute Margin of error: ± 4.9% Sample size: 403 | October 29 – November 1, 2015 | Hillary Clinton 48% | Bernie Sanders 45% | Martin O'Malley 3% | Lawrence Lessig 1% |
| YouGov/CBS News Margin of error: ± 7.1% Sample size: 499 | October 15–22, 2015 | Bernie Sanders 54% | Hillary Clinton 39% | Martin O'Malley 3% | Lincoln Chafee 0%, Lawrence Lessig 0%, No preference 3% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 393 | October 16–18, 2015 | Hillary Clinton 41% | Bernie Sanders 33% | Joe Biden 11% | Martin O'Malley 4%, Lincoln Chafee 2%, Jim Webb 2%, Lawrence Lessig 0%, Not Sure 7% |
| Bloomberg/San Anselm Poll Margin of error: ± 4.9% Sample size: 400 | October 15–18, 2015 | Bernie Sanders 41% | Hillary Clinton 36% | Joe Biden 10% | Jim Webb 1%, Lawrence Lessig 1%, Someone Else 1%, None of the Above 2%, Not Sure 8% |
| Franklin Pierce-Herald Margin of error: ± 4.9% Sample size: 403 | October 14–17, 2015 | Bernie Sanders 38% | Hillary Clinton 30% | Joe Biden 19% | Jim Webb 1%, Martin O'Malley 1%, Lincoln Chafee 1% |
| Boston Globe/Suffolk University Margin of error: ± 4.4% Sample size: 500 | October 14–15, 2015 | Hillary Clinton 36.8% | Bernie Sanders 35.4% | Joe Biden 11.2% | Jim Webb 2.6%, Martin O'Malley 1.4%, Lincoln Chafee 0.6%, Lawrence Lessig 0.2%, Undecided 11.6% |
| Gravis Marketing Margin of error: ± 5.1% Sample size: 373 | October 5–6, 2015 | Bernie Sanders 32.8% | Hillary Clinton 30.2% | Joe Biden 10.6% | Martin O'Malley 1.5%, Jim Webb 0.7%, Lincoln Chafee 0.8%, Undecided 23.3% |
| NBC News/WSJ/Marist Margin of error: ± 4.9% Sample size: 404 | September 23–30, 2015 | Bernie Sanders 42% | Hillary Clinton 28% | Joe Biden 18% | Martin O'Malley 2%, Jim Webb 1%, Lincoln Chafee 1%, Undecided 9% |
| NBC News/WSJ/Marist Margin of error: ± 4.9% Sample size: 404 | September 23–30, 2015 | Bernie Sanders 48% | Hillary Clinton 39% | Lincoln Chafee 2% | Martin O'Malley 2%, Jim Webb 1%, Undecided 9% |
| UNH/WMUR Margin of error: ± 5.5% Sample size: 314 | September 17–23, 2015 | Bernie Sanders 46% | Hillary Clinton 30% | Joe Biden 14% | Martin O'Malley 2%, Jim Webb 1%, Lincoln Chafee 0%, Someone else 1%, Don't Know Yet 6% |
| MassINC/WBUR/NPR Margin of error: ± 4.9% Sample size: 404 | September 12–15, 2015 | Bernie Sanders 35% | Hillary Clinton 31% | Joe Biden 14% | Jim Webb 2%, Martin O'Malley 1%, Lincoln Chafee 1%, Did not know/refused 10%, Some other candidate 4%, Would not vote 2% |
| Monmouth University Margin of error: ± 4.9% Sample size: 400 | September 10–13, 2015 | Bernie Sanders 43% | Hillary Clinton 36% | Joe Biden 13% | Martin O'Malley 2%, Lincoln Chafee 1%, Jim Webb 1%, Lawrence Lessig 1%, other 1%, undecided 3% |
| YouGov/CBS News Margin of error: ± 7.4% Sample size: 548 | September 3–10, 2015 | Bernie Sanders 52% | Hillary Clinton 30% | Joe Biden 9% | Martin O'Malley 1%, Lincoln Chafee 0%, Jim Webb 0%, No preference 8% |
| NBC News/Marist Poll Margin of error: ± 5.2% Sample size: 356 | Published September 6, 2015 | Bernie Sanders 41% | Hillary Clinton 32% | Joe Biden 16% | Jim Webb 1%, Martin O'Malley 1%, Lincoln Chafee <1%, Undecided 8% |
| NBC News/Marist Poll Margin of error: ± 5.2% Sample size: 356 | Published September 6, 2015 | Bernie Sanders 49% | Hillary Clinton 38% | Jim Webb 2% | Lincoln Chafee 1%, Martin O'Malley 1%, Undecided 8% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 370 | August 21–24, 2015 | Bernie Sanders 42% | Hillary Clinton 35% | Jim Webb 6% | Martin O'Malley 4%, Lincoln Chafee 2%, Lawrence Lessig 1%, Not sure 10% |
| Franklin Pierce University/Boston Herald Margin of error: ± 4.7% Sample size: 442 | August 7–10, 2015 | Bernie Sanders 44% | Hillary Clinton 37% | Joe Biden 9% | Jim Webb 1%, Martin O'Malley <1%, Lincoln Chafee <1%, Other/Not sure 9% |
| Gravis Marketing/One America News Margin of error: ± 4.5% Sample size: 475 | July 31 – August 3, 2015 | Hillary Clinton 43% | Bernie Sanders 39% | Elizabeth Warren 8% | Joe Biden 6%, Martin O'Malley 2%, Jim Webb 2%, Lincoln Chafee 0% |
| UNH/WMUR Margin of error: ± 5.9% Sample size: 276 | July 22–30, 2015 | Hillary Clinton 42% | Bernie Sanders 36% | Joe Biden 5% | Martin O'Malley 1%, Jim Webb 1%, Lincoln Chafee 0%, Someone else 3%, Don't Know Yet 12% |
| NBC News/Marist Margin of error: ± 5.4% Sample size: 329 | July 14–21, 2015 | Hillary Clinton 42% | Bernie Sanders 32% | Joe Biden 12% | Martin O'Malley 3%, Lincoln Chafee 2%, Jim Webb 1%, Undecided 10% |
| CNN/WMUR Margin of error: ± 5.2% Sample size: 360 | June 18–24, 2015 | Hillary Clinton 43% | Bernie Sanders 35% | Joe Biden 8% | Martin O'Malley 2%, Jim Webb 1%, Lincoln Chafee 0%, Someone else 2%, Not sure 9% |
| Bloomberg/Saint Anselm Margin of error: ± 4.9% Sample size: 400 | June 19–22, 2015 | Hillary Clinton 56% | Bernie Sanders 24% | Martin O'Malley 2% | Lincoln Chafee 1%, None of the above 4%, Not sure 12% |
| Suffolk Margin of error: ± 4.4% Sample size: 500 | June 11–15, 2015 | Hillary Clinton 41% | Bernie Sanders 31% | Joe Biden 7% | Martin O'Malley 3%, Lincoln Chafee 1%, Jim Webb 1%, Other 0%, Undecided 15% |
| Morning Consult Margin of error: ± 6% Sample size: 279 | May 31 – June 8, 2015 | Hillary Clinton 44% | Bernie Sanders 32% | Joe Biden 8% | Martin O'Malley 2%, Jim Webb 1%, Lincoln Chafee 0%, Someone else 0%, Don't know/no opinion 11% |
| Purple Strategies Margin of error: ± 4.9% Sample size: 400 | May 2–6, 2015 | Hillary Clinton 62% | Bernie Sanders 18% | Joe Biden 5% | Martin O'Malley 3%, Lincoln Chafee 1%, Jim Webb 1%, Someone else 0%, None of the above 3%, Not sure 8% |
| UNH/WMUR Margin of error: ± 6.5% Sample size: 229 | April 24 – May 3, 2015 | Hillary Clinton 51% | Elizabeth Warren 20% | Bernie Sanders 13% | Andrew Cuomo 3%, Joe Biden 2%, Lincoln Chafee 1%, Martin O'Malley 1%, Jim Webb 1%, Undecided 8% |
| Gravis Marketing Margin of error: ± 5% Sample size: 369 | April 21–22, 2015 | Hillary Clinton 45% | Elizabeth Warren 24% | Bernie Sanders 12% | Joe Biden 7%, Martin O'Malley 4%, Lincoln Chafee 2%, Jim Webb 2%, Bill de Blasio 0.4%, Undecided 5% |
| Gravis Marketing Margin of error: ± 5% Sample size: 369 | April 21–22, 2015 | Hillary Clinton 54% | Bernie Sanders 19% | Joe Biden 10% | Martin O'Malley 5%, Jim Webb 4%, Lincoln Chafee 2%, Bill de Blasio 1%, Undecided 6% |
| Public Policy Polling Margin of error: ± 5.4% Sample size: 329 | April 9–13, 2015 | Hillary Clinton 45% | Elizabeth Warren 23% | Bernie Sanders 12% | Joe Biden 7%, Martin O'Malley 3%, Lincoln Chafee 1%, Jim Webb 1%, Other/Undecided 9% |
| Franklin Pierce University/Boston Herald Margin of error: ± 4.7% Sample size: 417 | March 22–25, 2015 | Hillary Clinton 47% | Elizabeth Warren 22% | Joe Biden 10% | Bernie Sanders 8%, Andrew Cuomo 4%, Martin O'Malley 1%, Jim Webb <1%, Other 3%, Unsure 5% |
| Franklin Pierce University/Boston Herald Margin of error: ± 4.7% Sample size: 417 | March 22–25, 2015 | Hillary Clinton 41% | Elizabeth Warren 20% | Al Gore 16% | Joe Biden 7%, Bernie Sanders 6%, Andrew Cuomo 1%, Martin O'Malley <1%, Jim Webb <1%, Other 2%, Unsure 6% |
| Gravis Marketing Margin of error: ± 5% Sample size: 427 | March 18–19, 2015 | Hillary Clinton 49% | Elizabeth Warren 20% | Bernie Sanders 12% | Joe Biden 5%, Martin O'Malley 2%, Jim Webb 2%, Unsure 10% |
| NBC News/Marist Margin of error: ± 5.6% Sample size: 309 | February 3–10, 2015 | Hillary Clinton 69% | Bernie Sanders 13% | Joe Biden 8% | Jim Webb 2%, Martin O'Malley <1%, Undecided 7% |
| Purple Strategies Margin of error: ± 4.9% Sample size: 400 | January 31 – February 5, 2015 | Hillary Clinton 56% | Elizabeth Warren 15% | Joe Biden 8% | Bernie Sanders 8%, Martin O'Malley 0%, Jim Webb 0%, Someone else 0%, None of the above 2%, Not sure 11% |
| Gravis Marketing Margin of error: ± 5% Sample size: 384 | February 2–3, 2015 | Hillary Clinton 44% | Elizabeth Warren 25% | Bernie Sanders 13% | Joe Biden 5%, Martin O'Malley 1%, Jim Webb 1%, Unsure 10% |
| UNH/WMUR Margin of error: ± 5.7% Sample size: 297 | January 22 – February 3, 2015 | Hillary Clinton 58% | Elizabeth Warren 14% | Joe Biden 8% | Bernie Sanders 6%, Andrew Cuomo 2%, Martin O'Malley 1%, Jim Webb 1%, Someone else 1%, Don't know yet 9% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Purple Insights Margin of error: ± 4.9% Sample size: 404 | November 12–18, 2014 | Hillary Clinton 62% | Elizabeth Warren 13% | Bernie Sanders 6% | Joe Biden 5%, Deval Patrick 2%, Martin O'Malley 1%, Someone else 0%, None of the above 2%, Not sure 8% |
| New England College Margin of error: ± 4.06% Sample size: 583 | October 31 – November 1, 2014 | Hillary Clinton 53.1% | Elizabeth Warren 16.8% | Bernie Sanders 7% | Joe Biden 5.8%, Martin O'Malley 2.3%, Deval Patrick 1.4%, Andrew Cuomo 1.2%, Kirsten Gillibrand 1.2%, Mark Warner 1.2%, Other 10% |
| UMass Amherst Margin of error: ± ? Sample size: 204 | October 10–15, 2014 | Hillary Clinton 49% | Elizabeth Warren 16% | Bernie Sanders 11% | Joe Biden 6%, Andrew Cuomo 3%, Deval Patrick 3%, Martin O'Malley <1%, Cory Booker <1%, Other 11% |
| WMUR/UNH Margin of error: ± 5.9% Sample size: 275 | September 29 – October 5, 2014 | Hillary Clinton 58% | Elizabeth Warren 18% | Joe Biden 3% | Martin O'Malley 3%, Bernie Sanders 3%, Andrew Cuomo 1%, Mark Warner <1%, Other 1%, Undecided 13% |
| CNN/ORC Margin of error: ± 5.5% Sample size: 334 | September 8–11, 2014 | Hillary Clinton 60% | Elizabeth Warren 11% | Joe Biden 8% | Bernie Sanders 7%, Deval Patrick 4%, Andrew Cuomo 1%, Martin O'Malley 1%, Other 1%, None/No one 2%, No opinion 6% |
| NBC News/Marist Margin of error: ± 4.5% Sample size: 479 | July 7–13, 2014 | Hillary Clinton 74% | Joe Biden 18% | Undecided 8% | |
| WMUR/UNH Margin of error: ± 6.1% Sample size: 257 | June 19 – July 1, 2014 | Hillary Clinton 59% | Joe Biden 14% | Elizabeth Warren 8% | Bernie Sanders 5%, Andrew Cuomo 3%, Mark Warner 1%, Martin O'Malley 0%, Brian Schweitzer 0%, Other 1%, Undecided 9% |
| WMUR/UNH Margin of error: ± 7.2% Sample size: 184 | April 1–9, 2014 | Hillary Clinton 65% | Joe Biden 6% | Andrew Cuomo 4% | Mark Warner 2%, Martin O'Malley 0%, Brian Schweitzer 0%, Other 5%, Undecided 18% |
| WMUR/UNH Margin of error: ± 6.2% Sample size: 252 | January 21–26, 2014 | Hillary Clinton 74% | Joe Biden 10% | Andrew Cuomo 2% | Mark Warner 1%, Martin O'Malley <1%, Brian Schweitzer <1%, Kirsten Gillibrand 0%, Other 2%, Undecided 10% |
| Purple Strategies Margin of error: ± 5.4% Sample size: 334 | January 21–23, 2014 | Hillary Clinton 68% | Elizabeth Warren 13% | Joe Biden 6% | Deval Patrick 2%, Martin O'Malley 1%, Other 2%, None 1%, Undecided 5% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 502 | January 9–12, 2014 | Hillary Clinton 65% | Joe Biden 10% | Elizabeth Warren 8% | Andrew Cuomo 3%, Cory Booker 2%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Brian Schweitzer 0%, Mark Warner 0%, Someone else/Not sure 9% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 502 | January 9–12, 2014 | Joe Biden 32% | Elizabeth Warren 21% | Andrew Cuomo 9% | Cory Booker 4%, Kirsten Gillibrand 4%, Martin O'Malley 2%, Brian Schweitzer 1%, Mark Warner 1%, Someone else/Not sure 26% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 502 | January 9–12, 2014 | Elizabeth Warren 30% | Andrew Cuomo 19% | Cory Booker 9% | Martin O'Malley 5%, Kirsten Gillibrand 4%, Brian Schweitzer 2%, Mark Warner 2%, Someone else/Not sure 28% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| WMUR/UNH Margin of error: ± 6.2% Sample size: 252 | October 7–16, 2013 | Hillary Clinton 64% | Joe Biden 6% | Elizabeth Warren 6% | Andrew Cuomo 2%, Deval Patrick 1%, Evan Bayh <1%, Cory Booker <1%, Martin O'Malley <1%, Mark Warner <1%, Kirsten Gillibrand 0%, John Hickenlooper 0%, Other 2%, Unsure 18% |
| Public Policy Polling Margin of error: ± 4.6% Sample size: 455 | September 13–16, 2013 | Hillary Clinton 57% | Joe Biden 12% | Elizabeth Warren 11% | Cory Booker 4%, Andrew Cuomo 2%, Kirsten Gillibrand 1%, Mark Warner 1%, Martin O'Malley 0%, Brian Schweitzer 0%, Someone else/Not sure 11% |
| Public Policy Polling Margin of error: ± 4.6% Sample size: 455 | September 13–16, 2013 | Joe Biden 36% | Elizabeth Warren 20% | Cory Booker 9% | Andrew Cuomo 7%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Brian Schweitzer 1%, Mark Warner 1%, Someone else/Not sure 23% |
| Public Policy Polling Margin of error: ± 4.6% Sample size: 455 | September 13–16, 2013 | Elizabeth Warren 33% | Andrew Cuomo 14% | Cory Booker 12% | Kirsten Gillibrand 5%, Martin O'Malley 4%, Mark Warner 2%, Brian Schweitzer 1%, Someone else/Not sure 30% |
| WMUR/UNH Margin of error: ± 7.1% Sample size: 190 | July 18–29, 2013 | Hillary Clinton 62% | Joe Biden 8% | Deval Patrick 5% | Cory Booker 2%, Andrew Cuomo 1%, Evan Bayh <1%, Kirsten Gillibrand <1%, John Hickenlooper <1%, Martin O'Malley 0%, Mark Warner 0%, Other 2%, Unsure 19% |
| New England College Margin of error: ± 5.37% Sample size: 333 | July, 2013 | Hillary Clinton 65% | Joe Biden 8% | Jeanne Shaheen 6% | Andrew Cuomo 1.5%, Martin O'Malley 0.6%, Unsure 19% |
| New England College Margin of error: ± 5.5% Sample size: 314 | May, 2013 | Hillary Clinton 65% | Joe Biden 10% | Elizabeth Warren 5% | Andrew Cuomo 4%, Deval Patrick 3%, Martin O'Malley 0%, Unsure 13% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 368 | April 19–21, 2013 | Hillary Clinton 68% | Joe Biden 12% | Elizabeth Warren 5% | Andrew Cuomo 3%, Deval Patrick 2%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Brian Schweitzer 0%, Mark Warner 0%, Someone Else/Undecided 9% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 368 | April 19–21, 2013 | Joe Biden 44% | Elizabeth Warren 12% | Andrew Cuomo 9% | Deval Patrick 9%, Kirsten Gillibrand 2%, Martin O'Malley 1%, Brian Schweitzer 1%, Mark Warner 1%, Someone Else/Undecided 21% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 368 | April 19–21, 2013 | Andrew Cuomo 23% | Elizabeth Warren 22% | Deval Patrick 17% | Kirsten Gillibrand 4%, Martin O'Malley 2%, Brian Schweitzer 1%, Mark Warner 1%, Someone Else/Undecided 30% |
| WMUR/UNH Margin of error: ± 7.1% Sample size: 188 | April 4–9, 2013 | Hillary Clinton 61% | Joe Biden 7% | Andrew Cuomo 3% | Deval Patrick 3%, Mark Warner 2%, Evan Bayh 1%, Cory Booker 1%, John Hickenlooper 0%, Martin O'Malley 0%, Brian Schweitzer 0%, Antonio Villaraigosa 0%, Someone Else 2%, Undecided 22% |
| WMUR/UNH Margin of error: ± 7% Sample size: 201 | Jan. 30–Feb. 5, 2013 | Hillary Clinton 63% | Joe Biden 10% | Andrew Cuomo 5% | Cory Booker 2%, Evan Bayh 1%, Deval Patrick 1%, Brian Schweitzer 1%, John Hickenlooper <1%, Martin O'Malley <1%, Antonio Villaraigosa <1%, Mark Warner <1%, Someone Else 1%, Undecided 16% |

### New Jersey

Delegate count: 126 Pledged, 16 Unpledged Winner: Hillary Clinton Primary date: June 7, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | June 7, 2016 | Hillary Clinton 63.3% | Bernie Sanders 36.7% | |
| CBS/YouGov Margin of error: ± 5.4% Sample size: 586 | May 31 – June 3, 2016 | Hillary Clinton 61% | Bernie Sanders 34% | Others / Undecided 5% |
| American Research Group Margin of error: ± -% Sample size: 400 | May 31 – June 2, 2016 | Hillary Clinton 60% | Bernie Sanders 37% | Others / Undecided 3% |
| Quinnipiac Margin of error: ± 3.7% Sample size: 696 | May 10–16, 2016 | Hillary Clinton 54% | Bernie Sanders 40% | Others / Undecided 6% |
| Monmouth University Margin of error: ± 5.7% Sample size: 301 | May 1–3, 2016 | Hillary Clinton 60% | Bernie Sanders 32% | Others / Undecided 8% |
| Rutgers-Eagleton Poll Margin of error: ± 6.3% Sample Size: 292 | April 1–8, 2016 | Hillary Clinton 51% | Bernie Sanders 42% | Others / Undecided 7% |
| Rutgers-Eagleton Poll Margin of error: ± 6.2% Sample Size: 304 | February 6–15, 2016 | Hillary Clinton 55% | Bernie Sanders 32% | Others / Undecided 13% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Rutgers-Eagleton Poll Margin of error: ± ?% Sample Size: 304 | November 30 – December 6, 2015 | Hillary Clinton 60% | Bernie Sanders 19% | Martin O'Malley 1% | Other 3%, Don't know 17% |
| Farleigh Dickenson University Margin of error: ± 3.9% Sample Size: 830 | November 9–15, 2015 | Hillary Clinton 64% | Bernie Sanders 27% | Martin O'Malley 2% | DK/Refused 3%, Wouldn't Vote 3%, Other 1% |
| Rutgers-Eagleton Poll Margin of error: ± 5.7% Sample size: 367 | October 3–10, 2015 | Hillary Clinton 49% | Bernie Sanders 19% | Joe Biden 10% | Other 3%, Don't know 20% |
| Fairleigh Dickinson University Margin of error: ± 5.5% Sample size: 345 | June 15–21, 2015 | Hillary Clinton 63% | Bernie Sanders 15% | Martin O'Malley 3% | Lincoln Chafee 0%, Other 1%, Wouldn't vote 3%, DK/Refused 14% |
| Fairleigh Dickinson University Margin of error: ± 5.5% Sample size: 323 | April 13–19, 2015 | Hillary Clinton 62% | | | Another Democratic candidate 9%, Don't know 27%, Refused 1% |
| Quinnipiac University Margin of error: ± 4.2% Sample size: 539 | April 9–14, 2015 | Hillary Clinton 63% | Elizabeth Warren 12% | Joe Biden 10% | Bernie Sanders 3%, Martin O'Malley 1%, Jim Webb 1%, Lincoln Chafee 0%, Other 1%, Wouldn't vote 3%, Don't know 7% |
| Quinnipiac University Margin of error: ± 4.2% Sample size: 539 | April 9–14, 2015 | Joe Biden 36% | Elizabeth Warren 28% | Bernie Sanders 6% | Martin O'Malley 3%, Jim Webb 1%, Lincoln Chafee 0%, Other 1%, Wouldn't vote 4%, Don't know 21% |
| Quinnipiac University Margin of error: ± ? Sample size: ? | January 15–19, 2015 | Hillary Clinton 65% | Elizabeth Warren 11% | Joe Biden 7% | Bernie Sanders 3%, Jim Webb 1%, Martin O'Malley 0%, Other 1%, Wouldn't vote 3%, Don't know 11% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Rutgers-Eagleton Margin of error: ± ? Sample size: 280 | December 3–10, 2014 | Hillary Clinton 54% | Elizabeth Warren 6% | Cory Booker 2% | Joe Biden 1%, Martin O'Malley 1%, Other 3%, Don't know 34% |
| Rutgers-Eagleton Margin of error: ± ? Sample size: 331 | July 28 – August 5, 2014 | Hillary Clinton 59% | Joe Biden 3% | Elizabeth Warren 3% | Cory Booker 2%, Other 4%, Don't know 30% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Fairleigh Dickinson University Margin of error: ± 5.3% Sample size: 337 | August 21–27, 2013 | Hillary Clinton 63% | Joe Biden 10% | Andrew Cuomo 6% | Elizabeth Warren 4%, Other 4%, Undecided 13% |
| Kean University Margin of error: ± ?% Sample size: 420 | April 25–29, 2013 | Hillary Clinton 67% | Joe Biden 13% | Andrew Cuomo 8% | Martin O'Malley 2%, Other 4%, Undecided 6% |
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### New Mexico

Delegate count: 34 Pledged, 9 Unpledged Winner: Hillary Clinton Primary date: June 7, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | June 7, 2016 | Hillary Clinton 51.5% | Bernie Sanders 48.5% | |
| BWD Global Margin of error: ± 2.5% Sample size: 1,455 | May 25–26, 2016 | Hillary Clinton 53% | Bernie Sanders 28% | Others / Undecided 19% |
| Albuquerque Journal Margin of error: ± 4.9% Sample size: 401 | February 23–25, 2016 | Hillary Clinton 47% | Bernie Sanders 33% | Others / Undecided 20% |
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### New York

Delegate count: 247 Pledged, 44 Unpledged Winner: Hillary Clinton Primary date: April 19, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | April 19, 2016 | Hillary Clinton 57.5% | Bernie Sanders 41.6% | Void / Blank Votes 0.9% |
| Emerson College Margin of error: ± 4.6% Sample size: 438 | April 15–17, 2016 | Hillary Clinton 55% | Bernie Sanders 40% | Others / Undecided 5% |
| CBS News/YouGov Margin of error: ± 4.4% Sample size: 1,033 | April 13–15, 2016 | Hillary Clinton 53% | Bernie Sanders 43% | Others / Undecided 4% |
| NBC/WSJ/Marist Margin of error: ± 4.0% Sample size: 591 | April 10–13, 2016 | Hillary Clinton 57% | Bernie Sanders 40% | Others / Undecided 3% |
| Quinnipiac Margin of error: ± 3.3% Sample size: 860 | April 6–11, 2016 | Hillary Clinton 53% | Bernie Sanders 40% | Others / Undecided 7% |
| Gravis Marketing/ One America News Margin of error: ± 2.9% Sample size: 1,134 | April 5–6, 2016 | Hillary Clinton 53% | Bernie Sanders 47% | |
| Siena College Margin of error: ± 4.5% Sample size: 538 | April 6–11, 2016 | Hillary Clinton 52% | Bernie Sanders 42% | Others / Undecided 6% |
| Monmouth Margin of error: ± 5.6% Sample size: 302 | April 8–10, 2016 | Hillary Clinton 51% | Bernie Sanders 39% | Others / Undecided 10% |
| PPP Margin of error: ± 3.8% Sample size: 663 | April 7–10, 2016 | Hillary Clinton 51% | Bernie Sanders 40% | Others / Undecided 9% |
| NBC News/WSJ/Marist Margin of error: ± 4.2% Sample size: 557 | April 6–10, 2016 | Hillary Clinton 55% | Bernie Sanders 41% | Others / Undecided 4% |
| NY1/Baruch Margin of error: ± 4.2% Sample size: 632 | April 5–10, 2016 | Hillary Clinton 50% | Bernie Sanders 37% | Others / Undecided 13% |
| Emerson College Margin of error: ± 5.4% Sample size: 324 | April 6–7, 2016 | Hillary Clinton 56% | Bernie Sanders 38% | Others / Undecided 6% |
| FOX News Margin of error: ± 3.5% Sample size: 801 | April 4–7, 2016 | Hillary Clinton 53% | Bernie Sanders 37% | Others / Undecided 10% |
| CBS News/YouGov Margin of error: ± 3.4% Sample size: 718 | March 29- April 1, 2016 | Hillary Clinton 53% | Bernie Sanders 43% | Others / Undecided 4% |
| Quinnipiac Margin of error: ± 3.7% Sample size: 693 | March 22–29, 2016 | Hillary Clinton 54% | Bernie Sanders 42% | Others / Undecided 4% |
| Emerson College Margin of error: ± 5.0% Sample size: 373 | March 14–16, 2016 | Hillary Clinton 71% | Bernie Sanders 23% | Others / Undecided 6% |
| Siena College Margin of error: ± 6.2% Sample size: 368 | February 28–March 3, 2016 | Hillary Clinton 55% | Bernie Sanders 34% | Others / Undecided 11% |
| Siena College Margin of error: ± 5.6% Sample size: 434 | January 31 – February 3, 2016 | Hillary Clinton 55% | Bernie Sanders 34% | Others / Undecided 11% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Siena College Margin of error: ± 5% Sample size: 374 | September 14–17, 2015 | Hillary Clinton 45% | Joe Biden 24% | Bernie Sanders 23% | None of them 4%, Don't know/No opinion 3% |
| Quinnipiac University Margin of error: ± 4.4% Sample size: 508 | May 28 – June 1, 2015 | Hillary Clinton 55% | Bernie Sanders 15% | Joe Biden 9% | Martin O'Malley 2%, Jim Webb 2%, Lincoln Chafee 1%, Someone else 2%, Wouldn't vote 2%, Undecided 13% |
| Siena College Margin of error: ± 6.3% Sample size: ? | April 19–23, 2015 | Hillary Clinton 69% | | | Someone else 22% |
| Quinnipiac University Margin of error: ± 4.3% Sample size: 521 | March 11–16, 2015 | Hillary Clinton 51% | Elizabeth Warren 11% | Joe Biden 8% | Andrew Cuomo 7%, Bernie Sanders 5%, Martin O'Malley 1%, Jim Webb 1%, Other 0%, Wouldn't vote 3%, Undecided 12% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Marist College Margin of error: ± 5.7% Sample size: 294 | November 18–20, 2013 | Hillary Clinton 64% | Andrew Cuomo 14% | Joe Biden 8% | Elizabeth Warren 6%, Martin O'Malley 3%, Undecided 5% |
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### North Carolina

Delegate count: 107 Pledged, 14 Unpledged Winner: Hillary Clinton
Primary date: March 15, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Primary results | March 15, 2016 | Hillary Clinton 54.5% | Bernie Sanders 40.9% | | Others / Uncommitted 4.6% |
| Public Policy Polling Margin of error: ± 3.6% Sample size: 747 | March 11–13, 2016 | Hillary Clinton 56% | Bernie Sanders 37% | | Others / Undecided 7% |
| High Point University/SurveyUSA Margin of error: ± 3.8% Sample size: 669 | March 9–10, 2016 | Hillary Clinton 58% | Bernie Sanders 34% | | Others / Undecided 8% |
| WRAL/SurveyUSA Margin of error: ± 3.8% Sample size: 687 | March 4–7, 2016 | Hillary Clinton 57% | Bernie Sanders 34% | | Others / Undecided 9% |
| Civitas Margin of error: ± 4.4% Sample size: 500 | March 3–7, 2016 | Hillary Clinton 57% | Bernie Sanders 28% | | Others / Undecided 15% |
| Elon University Margin of error: ± 3.6% Sample size: 728 | February 15–17, 2016 | Hillary Clinton 47% | Bernie Sanders 37% | | Others / Undecided 16% |
| SurveyUSA Margin of error: ± 4.7% Sample size: 449 | February 14–16, 2016 | Hillary Clinton 51% | Bernie Sanders 36% | | No Preference 4%, Undecided 9% |
| Public Policy Polling Margin of error: ± 4.1 Sample size: 575 | February 14–16, 2016 | Hillary Clinton 52% | Bernie Sanders 35% | | Others / Undecided 13% |
| High Point Margin of error: ± 4.5% Sample size: 478 | January 30 – February 4, 2016 | Hillary Clinton 55% | Bernie Sanders 29% | Martin O'Malley 1% | Not Sure 15% |
| Public Policy Polling Margin of error: ± 4.6% Sample size: 461 | January 18–19, 2016 | Hillary Clinton 59% | Bernie Sanders 26% | Martin O'Malley 5% | Not Sure 10% |
| Civitas Margin of error: ± 4.4% Sample size: 500 | January 13–16, 2016 | Hillary Clinton 53% | Bernie Sanders 28% | Martin O'Malley 2% | Undecided 17% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Public Policy Polling Margin of error: ± 2.8% Sample size: 555 | December 5–7, 2015 | Hillary Clinton 60% | Bernie Sanders 21% | Martin O'Malley 10% | Not Sure 9% |
| Elon University Margin of error: ± 4.32% Sample size: 514 | October 29 – November 2, 2015 | Hillary Clinton 57% | Bernie Sanders 24% | Martin O'Malley 3% | Other 2% Undecided/DK 13% Refused 0.5% |
| Public Policy Polling Margin of error: ± 4.8% Sample size: 421 | October 23–25, 2015 | Hillary Clinton 61% | Bernie Sanders 24% | Martin O'Malley 5% | Lawrence Lessig 2% |
| Public Policy Polling Margin of error: ± 4.0% Sample size: 605 | September 24–27, 2015 | Hillary Clinton 37% | Joe Biden 30% | Bernie Sanders 17% | Jim Webb 3%, Lincoln Chafee 2%, Martin O'Malley 1%, Lawrence Lessig 0%, Not sure 10% |
| Elon University Margin of error: ± 5% Sample size: 427 | September 17–21, 2015 | Hillary Clinton 53.40% | Bernie Sanders 23.00% | Jim Webb 1.60% | Lincoln Chafee 0.70%, Lawrence Lessig 0.70%, Martin O'Malley 0.20%, Other 2.10%, Undecided/Don't know 17.10%, Refuse 1.20% |
| Public Policy Polling Margin of error: ± 4.5% Sample size: 477 | August 12–16, 2015 | Hillary Clinton 55% | Bernie Sanders 19% | Jim Webb 5% | Lincoln Chafee 2%, Martin O'Malley 2%, Lawrence Lessig 1% |
| Public Policy Polling Margin of error: ± 5.8% Sample size: 286 | July 2–6, 2015 | Hillary Clinton 55% | Bernie Sanders 20% | Jim Webb 7% | Lincoln Chafee 4%, Martin O'Malley 4%, Someone else/Undecided 11% |
| Public Policy Polling Margin of error: ± 5.9% Sample size: 274 | May 28–31, 2015 | Hillary Clinton 62% | Bernie Sanders 14% | Jim Webb 5% | Lincoln Chafee 4%, Martin O'Malley 4%, Someone else/Undecided 12% |
| Survey USA Margin of error: ± 4.7% Sample size: 442 | April 22–27, 2015 | Hillary Clinton 56% | Elizabeth Warren 11% | Joe Biden 8% | Martin O'Malley 3%, Bernie Sanders 3%, Jim Webb 3%, Other/Undecided 16% |
| Public Policy Polling Margin of error: ± 5.1% Sample size: 370 | April 2–5, 2015 | Hillary Clinton 53% | Joe Biden 13% | Elizabeth Warren 11% | Martin O'Malley 5%, Jim Webb 3%, Bernie Sanders 2%, Someone else/Undecided 12% |
| Civitas Institute Margin of error: ± 5% Sample size: 400 | March 20–23, 2015 | Hillary Clinton 53% | Elizabeth Warren 19% | Joe Biden 9% | Bernie Sanders 5%, Martin O'Malley 2%, Other/Undecided 13% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 401 | February 24–26, 2015 | Hillary Clinton 56% | Elizabeth Warren 13% | Joe Biden 11% | Martin O'Malley 3%, Jim Webb 3%, Bernie Sanders 1%, Someone else/Undecided 12% |
| Public Policy Polling Margin of error: ± 5% Sample size: 385 | January 29–31, 2015 | Hillary Clinton 54% | Joe Biden 18% | Elizabeth Warren 12% | Bernie Sanders 3%, Martin O'Malley 2%, Jim Webb 2%, Someone else/Not sure 10% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Public Policy Polling Margin of error: ± 5% Sample size: 381 | December 4–7, 2014 | Hillary Clinton 52% | Joe Biden 18% | Elizabeth Warren 7% | Bernie Sanders 5%, Andrew Cuomo 4%, Jim Webb 2%, Martin O'Malley 1%, Brian Schweitzer 0%, Someone else/Not sure 10% |
| Suffolk Margin of error: ± ?% Sample size: 254 | August 16–19, 2014 | Hillary Clinton 57.09% | Joe Biden 14.96% | Elizabeth Warren 9.06% | Martin O'Malley 2.76%, Andrew Cuomo 1.97%, Undecided 11.42%, Refused 2.76% |
| Civitas Institute Margin of error: ± ?% Sample size: 336 | July 28–29, 2014 | Hillary Clinton 40% | Elizabeth Warren 12% | Joe Biden 9% | Andrew Cuomo 3%, Bernie Sanders 2%, Howard Dean 1%, Jim Webb 1%, Amy Klobuchar 0%, Martin O'Malley 0%, Won't vote in Democratic primary 15%, Undecided 14%, Refused 3%, Other 0% |

### North Dakota

Delegate count: 18 Pledged, 5 Unpledged Winner: Bernie Sanders Primary date: June 7, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | June 7, 2016 | Bernie Sanders 64.2% | Hillary Clinton 25.6% | Others 10.2% |

### Ohio

Delegate count: 143 Pledged, 16 Unpledged Winner: Hillary Clinton
Primary date: March 15, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | March 15, 2016 | Hillary Clinton 56.1% | Bernie Sanders 43.1% | Other 0.8% |
| ARG Margin of error: ± 5.0% Sample size: 400 | March 12–13, 2016 | Hillary Clinton 52% | Bernie Sanders 45% | Others / Undecided 3% |
| Monmouth Margin of error: ± 5.6% Sample size: 302 | March 11–13, 2016 | Hillary Clinton 54% | Bernie Sanders 40% | Others / Undecided 6% |
| Quinnipiac Margin of error: ± 4.2% Sample size: 543 | March 8–13, 2016 | Hillary Clinton 51% | Bernie Sanders 46% | Others / Undecided 4% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 502 | March 11–12, 2016 | Hillary Clinton 46% | Bernie Sanders 41% | Others / Undecided 13% |
| CBS News/YouGov Margin of error: ± 5.3% Sample size: 777 | March 9–11, 2016 | Hillary Clinton 52% | Bernie Sanders 43% | Others / Undecided 5% |
| NBC News/Wall Street Journal/Marist Margin of error: ± 4.6% Sample size: 453 | March 4–10, 2016 | Hillary Clinton 58% | Bernie Sanders 38% | Others / Undecided 4% |
| Quinnipiac Margin of error: ± 4.3% Sample size: 521 | March 2–7, 2016 | Hillary Clinton 52% | Bernie Sanders 43% | Others / Undecided 5% |
| Public Polling Policy Margin of error: ± 4.4% Sample size: 508 | March 4–6, 2016 | Hillary Clinton 56% | Bernie Sanders 35% | Others / Undecided 9% |
| CNN/ORC Margin of error: ± 5.5% Sample size: 294 | March 2–6, 2016 | Hillary Clinton 63% | Bernie Sanders 33% | Others / Undecided 4% |
| Quinnipiac University Margin of error: ± 4.3% Sample size: 518 | February 16–20, 2016 | Hillary Clinton 55% | Bernie Sanders 40% | Others / Undecided 5% |
| BW Community Research Institute Margin of error: ± 5% Sample size: 385 | February 11–20, 2016 | Bernie Sanders 45% | Hillary Clinton 44% | Others / Undecided 11% |
| Public Policy Polling Margin of error: ± ?% Sample size: 1,138 | January 12–14, 2016 | Hillary Clinton 53% | Bernie Sanders 37% | Not sure 10% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Quinnipiac University Margin of error: ± 4.9% Sample size: 396 | September 25 – October 5, 2015 | Hillary Clinton 40% | Joe Biden 21% | Bernie Sanders 19% | Undecided 11% |
| Quinnipiac University Margin of error: ± 5.2% Sample size: 353 | August 7–18, 2015 | Hillary Clinton 47% | Bernie Sanders 17% | Joe Biden 14% | Jim Webb 1%, Martin O'Malley 0%, Lincoln Chafee 0%, Other 3%, Wouldn't vote 6%, Undecided 12% |
| Quinnipiac University Margin of error: ± 5% Sample size: 388 | June 4–15, 2015 | Hillary Clinton 60% | Joe Biden 13% | Bernie Sanders 10% | Martin O'Malley 1%, Lincoln Chafee 0%, Jim Webb 0%, Other 1%, Wouldn't vote 3%, Undecided 11% |
| Public Policy Polling Margin of error: ± 5.2% Sample size: 360 | June 4–7, 2015 | Hillary Clinton 61% | Bernie Sanders 13% | Michael Bloomberg 7% | Lincoln Chafee 2%, Martin O'Malley 2%, Jim Webb 1%, Not sure 13% |
| Quinnipiac University Margin of error: ± 5.4% Sample size: 324 | March 17–28, 2015 | Hillary Clinton 54% | Elizabeth Warren 14% | Joe Biden 9% | Martin O'Malley 3%, Bernie Sanders 3%, Jim Webb 2%, Other 1%, Wouldn't vote 3%, Undecided 12% |
| Quinnipiac University Margin of error: ± 5.4% Sample size: 324 | March 17–28, 2015 | Joe Biden 34% | Elizabeth Warren 25% | Martin O'Malley 5% | Bernie Sanders 5%, Jim Webb 2%, Other 1%, Wouldn't vote 3%, Undecided 24% |
| Quinnipiac University Margin of error: ± 5.5% Sample size: 315 | January 22 – February 1, 2015 | Hillary Clinton 51% | Elizabeth Warren 14% | Joe Biden 7% | Bernie Sanders 5%, Martin O'Malley 1%, Jim Webb 0%, Other 2%, Wouldn't vote 4%, Undecided 15% |
| Quinnipiac University Margin of error: ± 5.5% Sample size: 315 | January 22 – February 1, 2015 | Joe Biden 28% | Elizabeth Warren 24% | Bernie Sanders 7% | Martin O'Malley 2%, Jim Webb 2%, Other 4%, Wouldn't vote 5%, Undecided 28% |

### Oklahoma

Delegate count: 38 Pledged, 4 Unpledged Winner: Bernie Sanders Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | March 1, 2016 | Bernie Sanders 51.9% | Hillary Clinton 41.5% | | Others 6.6% |
| Monmouth Margin of error: ± 5.7% Sample size: 300 | February 25–28, 2016 | Bernie Sanders 48% | Hillary Clinton 43% | | Others / Undecided 9% |
| Sooner Poll/News 9/News on 6 Margin of error: ± 4.3% Sample size: 510 | February 23–25, 2016 | Hillary Clinton 40% | Bernie Sanders 31% | | Others / Undecided 29% |
| Public Policy Polling Margin of error: ± 4.2% Sample size: 542 | February 14–16, 2016 | Hillary Clinton 46% | Bernie Sanders 44% | | Undecided 9% |
| Sooner Poll Margin of error: ± 5.0% Sample size: 360 | February 6–9, 2016 | Hillary Clinton 43.9% | Bernie Sanders 28% | | Undecided 28.1% |
| Sooner Poll Margin of error: ± 5.1% Sample size: 369 | November 12–15, 2015 | Hillary Clinton 46.6% | Bernie Sanders 12.2% | Martin O'Malley 2.2% | Undecided 39.1% |
| The Oklahoman/Cole Hargrave Snodgrass & Associates Margin of error: ± 4.3% Sample size: 550 | October 19–22, 2015 | Hillary Clinton 30% | Bernie Sanders 21% | Martin O'Malley 1% | Undecided 46% |

### Oregon

Delegate count: 61 Pledged, 13 Unpledged Winner: Bernie Sanders Primary date: May 17, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary Results | May 17, 2016 | Bernie Sanders 56.2% | Hillary Clinton 42.1% | Misc. 1.7% |
| DHM Research Margin of error: ± 5.6% Sample size: 901 | May 6–9, 2016 | Hillary Clinton 48% | Bernie Sanders 33% | Others / Undecided 19% |
| KATU-TV/SurveyUSA Margin of error: ± 4.0% Sample size: 630 | March 28-April 1, 2016 | Hillary Clinton 37% | Bernie Sanders 36% | Others / Undecided 27% |
| DHM Research Margin of error: ± 7% Sample size: 206 | July 22–27, 2015 | Hillary Clinton 44% | Bernie Sanders 39% | Others / Undecided 17% |

### Pennsylvania

Delegate count: 189 Pledged, 21 Unpledged Winner: Hillary Clinton Primary date: April 26, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | April 26, 2016 | Hillary Clinton 55.6% | Bernie Sanders 43.5% | | Other 0.9% |
| FOX 29/Opinion Savvy Margin of error: ± 3.2% Sample size: 942 | April 24, 2016 | Hillary Clinton 52% | Bernie Sanders 41% | | Others / Undecided 7% |
| CPEC LLC Margin of error: ± 2.3% Sample size: 665 | April 22–24, 2016 | Hillary Clinton 63% | Bernie Sanders 37% | | |
| Public Policy Polling Margin of error: ± 3.6% Sample size: 728 | April 22–24, 2016 | Hillary Clinton 51% | Bernie Sanders 41% | | Others / Undecided 9% |
| American Research Group Margin of error: ± 5.0% Sample size: 400 | April 21–24, 2016 | Hillary Clinton 58% | Bernie Sanders 38% | | Others / Undecided 4% |
| Harper Polling Margin of error: ± 3.9% Sample size: 641 | April 21–23, 2016 | Hillary Clinton 61% | Bernie Sanders 33% | | Others / Undecided 6% |
| CBS/YouGov Margin of error: ± 6.7% Sample size: 831 | April 20–22, 2016 | Hillary Clinton 51% | Bernie Sanders 43% | | Others / Undecided 6% |
| NBC/WSJ/Marist Margin of error: ± 1.9% Sample size: 734 | April 18–20, 2016 | Hillary Clinton 55% | Bernie Sanders 40% | | Others / Undecided 5% |
| Monmouth Margin of error: ± 5.6% Sample size: 302 | April 17–19, 2016 | Hillary Clinton 52% | Bernie Sanders 39% | | Others / Undecided 9% |
| Franklin & Marshall College Margin of error: ± 5.3% Sample size: 510 | April 11–18, 2016 | Hillary Clinton 58% | Bernie Sanders 31% | | Others / Undecided 11% |
| FOX News Margin of error: ± 3.5% Sample size: 805 | April 4–7, 2016 | Hillary Clinton 49% | Bernie Sanders 38% | | Others / Undecided 13% |
| Quinnipiac Margin of error: ± 4.3% Sample size: 514 | March 30-April 4, 2016 | Hillary Clinton 50% | Bernie Sanders 44% | | Others / Undecided 6% |
| Harper Margin of error: ± 4.0% Sample size: 603 | April 2–3, 2016 | Hillary Clinton 55% | Bernie Sanders 33% | | Others / Undecided 12% |
| Franklin & Marshall Margin of error: ± 4.7% Sample size: 408 | March 14–20, 2016 | Hillary Clinton 53% | Bernie Sanders 28% | | Others / Undecided 19% |
| Harper Margin of error: ± 5.3% Sample size: 347 | March 1–2, 2016 | Hillary Clinton 57% | Bernie Sanders 27% | | Others / Undecided 16% |
| Franklin & Marshall College Margin of error: ± 3.1% Sample size: 486 | February 13–21, 2016 | Hillary Clinton 48% | Bernie Sanders 27% | | Others / Undecided 25% |
| Robert Morris University Margin of error: ± 4.5% Sample size: 511 | February 11–16, 2016 | Hillary Clinton 48% | Bernie Sanders 41% | | Others / Undecided 11% |
| Harper Margin of error: ± 3.8% Sample size: 640 | January 22–23, 2016 | Hillary Clinton 55% | Bernie Sanders 28% | Martin O'Malley 4% | Undecided 13% |
| Franklin & Marshall Margin of error: ± 3.6% Sample size: 361 | January 18–23, 2016 | Hillary Clinton 46% | Bernie Sanders 29% | Martin O'Malley 2% | Other 7%, Undecided 16% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Franklin & Marshall Margin of error: ± 3.9% Sample size: 303 | October 19–25, 2015 | Hillary Clinton 52% | Bernie Sanders 18% | Martin O'Malley 0% | Other 12%, Undecided 18% |
| Public Policy Polling Margin of error: ± 4.8% Sample size: 416 | October 8–11, 2015 | Hillary Clinton 40% | Bernie Sanders 22% | Joe Biden 20% | Lincoln Chafee 3%, Martin O'Malley 2%, Lawrence Lessig 1%, Jim Webb 1%, Not Sure 12% |
| Quinnipiac University Margin of error: ± 4.6% Sample size: 462 | August 7–18, 2015 | Hillary Clinton 45% | Bernie Sanders 19% | Joe Biden 17% | Jim Webb 1%, Martin O'Malley 1%, Lincoln Chafee 0%, Other 2%, Wouldn't vote 3%, Undecided 12% |
| Quinnipiac University Margin of error: ± 4.9% Sample size: 402 | June 4–15, 2015 | Hillary Clinton 53% | Joe Biden 15% | Bernie Sanders 10% | Jim Webb 2%, Martin O'Malley 1%, Lincoln Chafee 0%, Other 1%, Wouldn't vote 4%, Undecided 15% |
| Public Policy Polling Margin of error: ± 5% Sample size: 385 | May 21–24, 2015 | Hillary Clinton 63% | Bernie Sanders 14% | Martin O'Malley 6% | Lincoln Chafee 3%, Jim Webb 3%, Not sure 12% |
| Quinnipiac University Margin of error: ± 4.8% Sample size: 415 | March 17–28, 2015 | Hillary Clinton 48% | Elizabeth Warren 15% | Joe Biden 13% | Martin O'Malley 1%, Bernie Sanders 1%, Jim Webb 1%, Other 2%, Wouldn't vote 4%, Undecided 15% |
| Quinnipiac University Margin of error: ± 4.8% Sample size: 415 | March 17–28, 2015 | Joe Biden 34% | Elizabeth Warren 27% | Martin O'Malley 4% | Bernie Sanders 2%, Jim Webb 1%, Other 3%, Wouldn't vote 5%, Undecided 25% |
| Quinnipiac University Margin of error: ± 5% Sample size: 392 | January 22 – February 1, 2015 | Hillary Clinton 54% | Elizabeth Warren 12% | Joe Biden 10% | Martin O'Malley 2%, Bernie Sanders 2%, Jim Webb 1%, Other 1%, Wouldn't vote 4%, Undecided 15% |
| Quinnipiac University Margin of error: ± 5% Sample size: 392 | January 22 – February 1, 2015 | Joe Biden 34% | Elizabeth Warren 21% | Martin O'Malley 5% | Jim Webb 4%, Bernie Sanders 3%, Other 2%, Wouldn't vote 5%, Undecided 26% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 494 | January 15–18, 2015 | Hillary Clinton 58% | Joe Biden 13% | Elizabeth Warren 11% | Bernie Sanders 5%, Martin O'Malley 1%, Jim Webb 1%, Someone else/Undecided 11% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Public Policy Polling Margin of error: ± 5% Sample size: 382 | May 30 – June 1, 2014 | Hillary Clinton 65% | Joe Biden 9% | Andrew Cuomo 5% | Elizabeth Warren 5%, Cory Booker 4%, Kirsten Gillibrand 1%, Brian Schweitzer 1%, Mark Warner 1%, Martin O'Malley 0%, Someone else/Not sure 10% |
| Franklin & Marshall College Margin of error: ± 4.3% Sample size: 524 | March 25–31, 2014 | Hillary Clinton 55% | Joe Biden 5% | Elizabeth Warren 4% | Andrew Cuomo 2%, Howard Dean 0%, Other 5%, Undecided 29% |
| Franklin & Marshall College Margin of error: ± 4.2% Sample size: 548 | February 18–23, 2014 | Hillary Clinton 58% | Elizabeth Warren 7% | Joe Biden 6% | Andrew Cuomo 2%, Howard Dean 1%, Other 3%, Undecided 23% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Public Policy Polling Margin of error: ± 4.7% Sample size: 436 | November 22–25, 2013 | Hillary Clinton 61% | Joe Biden 13% | Elizabeth Warren 11% | Andrew Cuomo 3%, Cory Booker 2%, Kirsten Gillibrand 1%, Martin O'Malley 0%, Brian Schweitzer 0%, Mark Warner 0%, Someone Else/Undecided 9% |
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### Rhode Island

Delegate count: 24 Pledged, 9 Unpledged Winner: Bernie Sanders Primary date: April 26, 2016
| Poll source | Date | 1st | 2nd | Other |
| Certified Primary results | April 26, 2016 | Bernie Sanders 54.7% | Hillary Clinton 43.1% | Others / Uncommitted 2.2% |
| Public Policy Polling Margin of error: ± 3.8% Sample size: 668 | April 22–24, 2016 | Bernie Sanders 49% | Hillary Clinton 45% | Others / Undecided 6% |
| Brown University Margin of error: ± 4.0% Sample size: 436 | April 19–21, 2016 | Hillary Clinton 43% | Bernie Sanders 34% | Others / Undecided 23% |
| Brown University Margin of error: ± ?% Sample size: 394 | February 22–23, 2016 | Hillary Clinton 49% | Bernie Sanders 40% | Others / Undecided 11% |
| Brown University Margin of error: ± ?% Sample size: 396 | February 17–20, 2016 | Bernie Sanders 48% | Hillary Clinton 41% | Others / Undecided 11% |
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Primary Results

### South Carolina

Delegate count: 53 Pledged, 6 Unpledged Winner: Hillary Clinton
Primary date: 27 February 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | February 27, 2016 | Hillary Clinton 73.4% | Bernie Sanders 26.0% | | Others 0.6% |
| Clemson Margin of error: 3.0% Sample size: 650 | February 20–25, 2016 | Hillary Clinton 64% | Bernie Sanders 14% | | Others / Undecided 22% |
| Emerson College Margin of error: 6.0% Sample size: 266 | February 22–24, 2016 | Hillary Clinton 60% | Bernie Sanders 37% | | Others / Undecided 3% |
| NBC/WSJ/Marist Margin of error: 4.8% Sample size: 425 | February 15–17, 2016 | Hillary Clinton 60% | Bernie Sanders 32% | | Other 8% |
| Bloomberg Politics Margin of error: 4.9% Sample size: 403 | February 13–17, 2016 | Hillary Clinton 53% | Bernie Sanders 31% | | Not sure 16% |
| ARG Margin of error: 5% Sample size: 400 | February 14–16, 2016 | Hillary Clinton 61% | Bernie Sanders 31% | Someone else 1% | No opinion 7% |
| Public Policy Polling Margin of error: ± 4% Sample size: 525 | February 14–15, 2016 | Hillary Clinton 55% | Bernie Sanders 34% | | Undecided 12% |
| CNN/ORC Margin of error: 6% Sample size: 289 | February 10–15, 2016 | Hillary Clinton 56% | Bernie Sanders 38% | Someone else 3% | No opinion 4% |
| ARG Margin of error: ± 5.0% Sample size: 400 | February 12–13, 2016 | Hillary Clinton 65% | Bernie Sanders 27% | | Other 1%, Undecided 7% |
| YouGov/CBS News Margin of error: ± 8.7% Sample size: 404 | February 10–12, 2016 | Hillary Clinton 59% | Bernie Sanders 40% | | No Preference 1% |
| NBC/WSJ/Marist Margin of error: ± 4.6% Sample size: 446 | January 17–23, 2016 | Hillary Clinton 64% | Bernie Sanders 27% | Martin O'Malley 2% | Undecided 7% |
| YouGov/CBS News Margin of error: ± 9.4% Sample size: 388 | January 17–21, 2016 | Hillary Clinton 60% | Bernie Sanders 38% | Martin O'Malley 0% | Undecided 2% |
| SC New Democrats Margin of error: ± ?% Sample size: 583 | January 12–15, 2016 | Hillary Clinton 47% | Bernie Sanders 28% | Martin O'Malley 2% | Undecided 22% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| YouGov/CBS News Margin of error: ± 5.0% Sample size: 420 | December 13–17, 2015 | Hillary Clinton 67% | Bernie Sanders 31% | Martin O'Malley 2% | No Preference 0% |
| Fox News Margin of error: ± 5.0% Sample size: 364 | December 5–8, 2015 | Hillary Clinton 65% | Bernie Sanders 21% | Martin O'Malley 3% | Other 1%, None of the Above 7%, DK 3% |
| YouGov/CBS News Margin of error: ± 6.0% Sample size: 420 | November 15–19, 2015 | Hillary Clinton 72% | Bernie Sanders 25% | Martin O'Malley 2% | Undecided 1% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 400 | November 7–8, 2015 | Hillary Clinton 72% | Bernie Sanders 18% | Martin O'Malley 5% | Unsure 5% |
| Monmouth University Margin of error: ± 4.9% Sample size: 400 | November 5–8, 2015 | Hillary Clinton 69% | Bernie Sanders 21% | Martin O'Malley 1% | Other 1% No Preference 8% |
| Winthrop University Margin of error: ± 3.4% Sample size: 832 | October 24 – November 1, 2015 | Hillary Clinton 71% | Bernie Sanders 15% | Martin O'Malley 2% | Refused 2% Undecided 9% Wouldn't Vote 1% |
| YouGov/CBS News Margin of error: ± 8.2% Sample size: 427 | October 15–22, 2015 | Hillary Clinton 68% | Bernie Sanders 25% | Martin O'Malley 1% | Jim Webb 1%, Lincoln Chafee 0%, Lawrence Lessig 0%, No preference 4% |
| Clemson Palmetto Margin of error: 4.0% Sample size: 600 | October 13–23, 2015 | Hillary Clinton 43% | Bernie Sanders 6% | Martin O'Malley 1% | Undecided 50% |
| CNN/ORC Margin of error: 5.5% Sample size: 301 | October 3–10, 2015 | Hillary Clinton 49% | Joe Biden 24% | Bernie Sanders 18% | Martin O'Malley 3%, Someone else 1%, None/No one 1%, No opinion 4% |
| Gravis Marketing Margin of error: ± ?% Sample size: ? | September 25–27, 2015 | Hillary Clinton 50% | Joe Biden 19% | Bernie Sanders 13% | Lincoln Chafee 1%, Jim Webb <1%, Martin O'Malley <1%, Unsure 17% |
| YouGov/CBS News Margin of error: ± 6.8% Sample size: 528 | Sep. 3–10, 2015 | Hillary Clinton 46% | Bernie Sanders 23% | Joe Biden 22% | No preference 8%, Jim Webb 1%, Lincoln Chafee 0%, Martin O'Malley 0% |
| Public Policy Polling Margin of error: ± 5.6% Sample size: 302 | Sep. 3–6, 2015 | Hillary Clinton 54% | Joe Biden 24% | Bernie Sanders 9% | Martin O’Malley, Jim Webb 2%; Lincoln Chafee 1% |
| Gravis Marketing Margin of error: ± 4.0% Sample size: 209 | July 29–30, 2015 | Hillary Clinton 78% | Bernie Sanders 8% | Elizabeth Warren 6% | Joe Biden 6%, Jim Webb 1%, Martin O'Malley 1%, Lincoln Chafee 1% |
| Morning Consult Margin of error: ? Sample size: 309 | May 31 – June 8, 2015 | Hillary Clinton 56% | Joe Biden 15% | Bernie Sanders 10% | Martin O'Malley 3%, Jim Webb 2%, Lincoln Chafee 1%, Someone else 2% Undecided 11% |
| Public Policy Polling Margin of error: ± 6.2% Sample size: 252 | February 12–15, 2015 | Hillary Clinton 59% | Joe Biden 18% | Elizabeth Warren 10% | Martin O'Malley 3%, Bernie Sanders 1%, Jim Webb 1%, Other/Undecided 8% |
| NBC News/Marist Margin of error: ± 5.2% Sample size: 352 | February 3–10, 2015 | Hillary Clinton 65% | Joe Biden 20% | Bernie Sanders 3% | Martin O'Malley 2%, Jim Webb 2%, Undecided 8% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Clemson University Margin of error: ±6% Sample size: 400 | May 26 – June 2, 2014 | Hillary Clinton 50% | Joe Biden 12% | Andrew Cuomo 2% | Martin O'Malley 1%, Deval Patrick 0%, Brian Schweitzer 0%, Undecided/Don't know 35% |

### South Dakota

Delegate count: 20 Pledged, 5 Unpledged Winner: Hillary Clinton Primary date: June 7, 2016
| Poll source | Date | 1st | 2nd | Others / Undecided |
| Official Primary results | June 7, 2016 | Hillary Clinton 51.0% | Bernie Sanders 49.0% | |
| Targeted Persuasion Margin of error: ±3.31% Sample size: 874 | May 23–24, 2016 | Hillary Clinton 50% | Bernie Sanders 47% | Undecided 3% |
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### Tennessee

Delegate count: 67 Pledged, 9 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Primary results | March 1, 2016 | Hillary Clinton 66.1% | Bernie Sanders 32.5% | | Others / Uncommitted 1.5% |
| SurveyMonkey Margin of error: ? Sample size: 533 | February 22–29, 2016 | Hillary Clinton 54% | Bernie Sanders 37% | | Others / Undecided 9% |
| NBC/WSJ/Marist Margin of error: ± 3.8 Sample size: 405 | February 22–25, 2016 | Hillary Clinton 60% | Bernie Sanders 34% | | Other 6% |
| Public Policy Polling Margin of error: ± 4.4 Sample size: 500 | February 14–16, 2016 | Hillary Clinton 58% | Bernie Sanders 32% | | |
| Vanderbilt/PSRA Margin of error: 6.7% Sample size: 346 | November 11–23, 2015 | Hillary Clinton 48% | Bernie Sanders 28% | Martin O'Malley 3% | Undecided 10%, Other 5%, Wouldn't Vote 4% |
| MTSU Margin of error: ± 4% Sample size: 603 | October 25–27, 2015 | Hillary Clinton 44% | Bernie Sanders 16% | | Don't know 25% |

### Texas

Delegate count: 222 Pledged, 30 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Primary results | March 1, 2016 | Hillary Clinton 65.2% | Bernie Sanders 33.2% | | Others 1.6% |
| Emerson Margin of error: ± 5.9% Sample size: 275 | February 26–28, 2016 | Hillary Clinton 68% | Bernie Sanders 26% | | Others / Undecided 6% |
| American Research Group Margin of error: ± 5.0% Sample size: 400 | February 26–28, 2016 | Hillary Clinton 58% | Bernie Sanders 38% | | Others / Undecided 4% |
| YouGov/CBS News Margin of error: ± 6.9% Sample size: 750 | February 22–26, 2016 | Hillary Clinton 61% | Bernie Sanders 37% | | Others / Undecided 2% |
| Monmouth Margin of error: ± 5.6 Sample size: 304 | February 22–24, 2016 | Hillary Clinton 64% | Bernie Sanders 30% | | Others / Undecided 6% |
| Emerson College Margin of error: ± 5.4 Sample size: 328 | February 21–23, 2016 | Hillary Clinton 56% | Bernie Sanders 40% | | Others / Undecided 4% |
| NBC News/Wall St. Jrnl Margin of error: ± 4.9 Sample size: 405 | February 18–23, 2016 | Hillary Clinton 59% | Bernie Sanders 38% | | Others / Undecided 3% |
| KTVT-CBS 11 Margin of error: ± 3.8 Sample size: 675 | February 22, 2016 | Hillary Clinton 61% | Bernie Sanders 29% | | Others / Undecided 10% |
| TEGNA/SurveyUSA Margin of error: ± 4.1 Sample size: 569 | February 21–22, 2016 | Hillary Clinton 61% | Bernie Sanders 32% | | Others / Undecided 7% |
| Austin American-Statesman Margin of error: ± 5.0 Sample size: 411 | February 19–22, 2016 | Hillary Clinton 66% | Bernie Sanders 26% | | Others / Undecided 8% |
| UT/TT Margin of error: ±4.57 Sample Size: ? Dem Voters | February 12–19, 2016 | Hillary Clinton 57% | Bernie Sanders 40% | Rocky de la Fuente 2% | Martin O'Malley 1% Willie Wilson 1% |
| Public Policy Polling Margin of error: ± 4.3 Sample size: 514 | February 14–16, 2016 | Hillary Clinton 57% | Bernie Sanders 34% | | |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| University of Texas/Texas Tribune Margin of error ± 4.57% Sample Size: 459 | October 30 – November 8, 2015 | Hillary Clinton 61% | Bernie Sanders 30% | Martin O'Malley 1% | Lawrence Lessig 0% No Opinion 7% |
| CBS-DFW Margin of error: ± 3.09% Sample size: 1008 | October 23–24, 2015 | Hillary Clinton 59% | Bernie Sanders 10% | Martin O'Malley 3% | Undecided 28% |
| Texas Lyceum Margin of error: ± 7.15% Sample size: 185 | September 8–21, 2015 | Hillary Clinton 36% | Bernie Sanders 24% | Joe Biden 15% | Jim Webb 1%, Martin O'Malley 0%, Lincoln Chafee 0% Undecided 23% |
| UoT/Texas Tribune Margin of error: ± 4.58% Sample size: 457 | June 5–14, 2015 | Hillary Clinton 53% | Bernie Sanders 15% | Joe Biden 8% | Elizabeth Warren 8%, Andrew Cuomo 1%, Martin O'Malley 1%, Jim Webb 1%, Lincoln Chafee 1% Undecided 12% |
| UoT/Texas Tribune Margin of error: ± 4.89% Sample size: 401 | February 6–15, 2015 | Hillary Clinton 62% | Elizabeth Warren 12% | Joe Biden 6% | Bernie Sanders 5%, Martin O'Malley 1%, Jim Webb 1%, Undecided 14% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| UoT/Texas Tribune Margin of error: ± 4.73% Sample size: 429 | October 10–19, 2014 | Hillary Clinton 60% | Elizabeth Warren 13% | Joe Biden 10% | Andrew Cuomo 2%, Brian Schweitzer 1%, Jim Webb 1%, Martin O'Malley 0%, Undecided 13% |
| UoT/Texas Tribune Margin of error: ± 4.75% Sample size: 426 | May 30 – June 8, 2014 | Hillary Clinton 64% | Elizabeth Warren 15% | Joe Biden 8% | Andrew Cuomo 2%, Brian Schweitzer 1%, Martin O'Malley 0%, Undecided 10% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| UoT/Texas Tribune Margin of error: ± 4.82% Sample size: 414 | October 18–29, 2013 | Hillary Clinton 67% | Joe Biden 7% | Elizabeth Warren 5% | Andrew Cuomo 1%, Martin O'Malley 1%, Brian Schweitzer 1%, Mark Warner 1%, Kirsten Gillibrand 0%, Don't Know 17% |
| UoT/Texas Tribune Margin of error: ± 5.89% Sample size: 376 | May 31 – June 9, 2013 | Hillary Clinton 66% | Joe Biden 11% | Andrew Cuomo 1% | Kirsten Gillibrand 1%, Mark Warner 1%, Martin O'Malley 0%, Brian Schweitzer 0%, Don't Know 19% |

### Utah

Delegate count: 33 Pledged, 4 Unpledged Winner: Bernie Sanders Caucus date: March 22, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Caucus results | March 24, 2016 | Bernie Sanders 79.21% | Hillary Clinton 20.33% | | Other 0.46% |
| Dan Jones & Associates Margin of error: ± 7% Sample size: 250 | March 8–15, 2016 | Bernie Sanders 52% | Hillary Clinton 44% | | |
| Dan Jones & Associates Margin of error: ± ? Sample size: 625 | February 10–15, 2016 | Hillary Clinton 51% | Bernie Sanders 44% | | |
| SurveyUSA Margin of error: ± 7.2% Sample size: 188 | January 6–13, 2016 | Hillary Clinton 50% | Bernie Sanders 40% | | Other/Undecided 10% |
| Dan Jones & Associates Margin of error: ± 3.9% Sample size: 624 | November 5–14, 2015 | Hillary Clinton 54% | Bernie Sanders 34% | Martin O'Malley 3% | Don't Know 5% |
| Dan Jones & Associates Margin of error: ? Sample size: ? | September 8–17, 2015 | Bernie Sanders 31% | Hillary Clinton 30% | Joe Biden 20% | Other/Undecided 19% |
| Dan Jones & Associates Margin of error: ± ? Sample size: ? | July 14–21, 2015 | Hillary Clinton 50% | Bernie Sanders 30% | Joe Biden 12% | Other/Undecided 8% |
| Dan Jones & Associates Margin of error: ± ? Sample size: ? | March 3–5, 2015 | Hillary Clinton 56% | Elizabeth Warren 25% | Joe Biden 4% | Other/Undecided 15% |

### Vermont

Delegate count: 16 Pledged, 10 Unpledged Winner: Bernie Sanders Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Official Primary results | March 1, 2016 | Bernie Sanders 85.7% | Hillary Clinton 13.6% | Others / Uncommitted 0.8% |
| The Castleton Polling Institute Margin of error: ± 3.27 Sample size: 895 | February 3–17, 2016 | Bernie Sanders 83.1% | Hillary Clinton 9.0% | Others / Undecided 7.9% |
| Public Policy Polling Margin of error: ± 3.7 Sample size: 500 | February 14–16, 2016 | Bernie Sanders 86% | Hillary Clinton 10% | |
| Castleton University Margin of error: ± 4% Sample size: 617 | August 24 – September 14, 2015 | Bernie Sanders 65% | Hillary Clinton 14% | Others 10%, Not sure 11% |
| Castleton University Margin of error: ± 3.8% Sample size: 653 | October 10, 2014 | Bernie Sanders 36% | Hillary Clinton 29% | Neither 29%, Not sure 5%, Refused 1% |

### Virginia

Delegate count: 95 Pledged, 14 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | March 1, 2016 | Hillary Clinton 64.3% | Bernie Sanders 35.2% | Other 0.5% |
| SurveyMonkey Margin of error: ? Sample size: 908 | February 22–29, 2016 | Hillary Clinton 57% | Bernie Sanders 36% | Others / Undecided 7% |
| YouGov/CBS News Margin of error: 9.2% Sample size: 471 | February 22–26, 2016 | Hillary Clinton 59% | Bernie Sanders 39% | Others / Undecided 2% |
| Monmouth Margin of error: ± 5.6% Sample size: 302 | February 22–24, 2016 | Hillary Clinton 60% | Bernie Sanders 33% | Others / Undecided 7% |
| Roanoke College Margin of error: ± 4.8% Sample size: 415 | February 16–24, 2016 | Hillary Clinton 50% | Bernie Sanders 33% | Others / Undecided 17% |
| Public Policy Polling Margin of error: ± 4.4 Sample size: 500 | February 14–16, 2016 | Hillary Clinton 56% | Bernie Sanders 34% | |
| Christopher Newport University Margin of error: ± 4.3% Sample size: 735 | February 3–14, 2016 | Hillary Clinton 52% | Bernie Sanders 40% | Others / Undecided 8% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| University of Mary Washington Registered voters: Margin of error: ± 3.9% Sample size: 357 Likely voters: Margin of error: ± 4.3% Sample size: 276 | November 4–9, 2015 | Hillary Clinton 58% (RV) 63% (LV) | Bernie Sanders 32% (RV) 27% (LV) | Martin O'Malley 4% (RV) 5% (LV) | Don't know/None/Refused/Wouldn't vote in that primary 7% (RV) 5% (LV) |
| Christopher Newport University Margin of error: ± 5.1% Sample size: 407 | September 29 –October 8, 2015 | Hillary Clinton 40% | Bernie Sanders 23% | Joe Biden 23% | Jim Webb 5%, Martin O'Malley 2%, Lincoln Chafee <1%, Someone Else 1%, Undecided/Don't Know/Refused 5% |
| Public Policy Polling Margin of error: ± 4.9% Sample size: 409 | July 13–15, 2015 | Hillary Clinton 64% | Bernie Sanders 14% | Jim Webb 8% | Lincoln Chafee 5%, Martin O'Malley 2%, Not sure 7% |
| Christopher Newport University Margin of error: ± ? Sample size: ? | April 13–24, 2015 | Hillary Clinton 80% | Jim Webb 6% | Joe Biden 5% | Bernie Sanders 2%, Martin O'Malley 1%, Lincoln Chafee<1%, Someone else 2%, Undecided 3% |
| Christopher Newport University Margin of error: ± ? Sample size: ? | January 30 – February 10, 2015 | Hillary Clinton 65% | Jim Webb 10% | Joe Biden 8% | Elizabeth Warren 8%, Deval Patrick 2%, Bernie Sanders 2%, Andrew Cuomo 1%, Martin O'Malley 1%, Someone else 1%, Undecided 2% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Christopher Newport University Margin of error: ± 5% Sample size: 391 | February 23–28, 2014 | Hillary Clinton 66% | Joe Biden 19% | Elizabeth Warren 7% | Undecided 9% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| University of Mary Washington Margin of error: ±? Sample size: ? | September 25–29, 2013 | Hillary Clinton 34% | Mark Warner 16% | Joe Biden 9% | Elizabeth Warren 3%, Andrew Cuomo 2%, Martin O'Malley 1%, None 12%, Don't know 17% |
| Public Policy Polling Margin of error: ±5.2% Sample size: 357 | July 11–14, 2013 | Hillary Clinton 51% | Joe Biden 14% | Mark Warner 11% | Elizabeth Warren 6%, Cory Booker 4%, Martin O'Malley 3%, Andrew Cuomo 2%, Brian Schweitzer 1%, Kirsten Gillibrand 0%, Someone else/Undecided 8% |
| Public Policy Polling Margin of error: ± 4.8% Sample size: 421 | May 24–26, 2013 | Hillary Clinton 56% | Joe Biden 14% | Mark Warner 11% | Andrew Cuomo 3%, Elizabeth Warren 3%, Kirsten Gillibrand 1%, Martin O'Malley 1%, Deval Patrick 0%, Brian Schweitzer 0%, Someone else/Undecided 10% |
| University of Mary Washington Margin of error: ±? Sample size: ? | March 20–24, 2013 | Hillary Clinton 38% | Mark Warner 18% | Joe Biden 10% | Andrew Cuomo 3%, Martin O'Malley 3%, Other 1%, None 12%, Don't know 12% |

### Washington

Delegate count: 101 Pledged, 17 Unpledged Winner: Bernie Sanders Caucus date: March 26, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Caucus results | March 29, 2016 | Bernie Sanders 72.72% | Hillary Clinton 27.10% | | Other 0.18% |
| Gravis Marketing Margin of error: ± 6% Sample size: 256 | May 18–19, 2015 | Hillary Clinton 35% | Elizabeth Warren 26% | Bernie Sanders 19% | Joe Biden 4%, Martin O'Malley 3%, Jim Webb 1%, Unsure 12% |
| Gravis Marketing Margin of error: ± 6% Sample size: 256 | May 18–19, 2015 | Hillary Clinton 45% | Bernie Sanders 36% | Lincoln Chafee 2% | Bill De Blasio 2%, Martin O'Malley 2%, Jim Webb 1%, Unsure 12% |
| Public Policy Polling Margin of error: ± 5% Sample size: 391 | May 14–17, 2015 | Hillary Clinton 57% | Bernie Sanders 24% | Martin O'Malley 4% | Jim Webb 2%, Lincoln Chafee 1%, Not sure 12% |
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### West Virginia

Delegate count: 29 Pledged, 8 Unpledged Winner: Bernie Sanders Primary date: May 10, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Primary results | May 10, 2016 | Bernie Sanders 51.4% | Hillary Clinton 35.8% | Paul Farrell 8.9% | Others 3.9% |
| MetroNews Margin of error: ±4.0% Sample size: 315 | April 22-May 2, 2016 | Bernie Sanders 47% | Hillary Clinton 43% | | Undecided 11% |
| Public Policy Polling Margin of error: ±3.9% Sample size: 637 | April 29-May 1, 2016 | Bernie Sanders 45% | Hillary Clinton 37% | | Undecided 18% |
| West Virginia Veterans/Thirty-Ninth Street Strategies Margin of error: ±3.9% Sample size: 600 | March 2–6, 2016 | Hillary Clinton 44% | Bernie Sanders 31% | Paul Farrell 6% | Keith Judd 1% Others 7% Undecided 11% |
| Orion Strategies Margin of error: ±5.6% Sample size: 306 | February 20–21, 2016 | Bernie Sanders 32% | Hillary Clinton 24% | | Undecided 44% |
| REPASS Research Margin of error: ±4.9% Sample size: 411 | February 11–16, 2016 | Bernie Sanders 57% | Hillary Clinton 29% | | |
| Orion Strategies Margin of error: ±4.9% Sample size: 306 | August 27, 2015 | Hillary Clinton 23% | Joe Biden 16% | Bernie Sanders 12% | Undecided 49% |
| Prism Surveys Margin of error: ± 3.21% Sample size: 900 | August 21, 2015 | Hillary Clinton 36% | Bernie Sanders 32% | | Undecided 32% |

### Wisconsin

Delegate count: 86 Pledged, 10 Unpledged Winner: Bernie Sanders Primary date: April 5, 2016
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Official Primary results | April 5, 2016 | Bernie Sanders 56.6% | Hillary Clinton 43.1% | | Others / Uncommitted 0.4% |
| ARG Margin of error: ± 5.0% Sample size: 400 | April 1–3, 2016 | Hillary Clinton 49% | Bernie Sanders 48% | | Others / Undecided 3% |
| Emerson Margin of error: ± 4.2% Sample size: 542 | March 30 – April 3, 2016 | Bernie Sanders 51% | Hillary Clinton 43% | | Others / Undecided 6% |
| CBS News/YouGov Margin of error: ± 3.7% Sample size: 653 | March 29 – April 1, 2016 | Bernie Sanders 49% | Hillary Clinton 47% | | Others / Undecided 4% |
| FOX Business Margin of error: ± 3.0% Sample size: 860 | March 28–30, 2016 | Bernie Sanders 48% | Hillary Clinton 43% | | Others / Undecided 10% |
| Loras College Margin of error: ± 4.8% Sample size: 416 | March 28–29, 2016 | Hillary Clinton 47% | Bernie Sanders 41% | | Others / Undecided 12% |
| Public Policy Polling Margin of error: ± 3.7% Sample size: 720 | March 28–29, 2016 | Bernie Sanders 49% | Hillary Clinton 43% | | Others / Undecided 8% |
| MULaw Poll Margin of error: ± 6.3% Sample size: 405 | March 24–28, 2016 | Bernie Sanders 49% | Hillary Clinton 45% | | Others / Undecided 6% |
| Emerson College Margin of error: ± 4.6% Sample size: 439 | March 20–22, 2016 | Hillary Clinton 50% | Bernie Sanders 44% | | Others / Undecided 6% |
| MULaw Poll Margin of error: ± 6.9% Sample size: 343 | February 18–21, 2016 | Bernie Sanders 44% | Hillary Clinton 43% | | Others / Undecided 13% |
| MULaw Poll Margin of error: ± 6.5% Sample size: 312 | January 21–24, 2016 | Hillary Clinton 45% | Bernie Sanders 43% | Martin O'Malley 1% | Not Reported |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Marquette Law School Margin of error: ± 6.1% Sample size: 374 | November 12–15, 2015 | Hillary Clinton 50% | Bernie Sanders 41% | Martin O'Malley 2% | Undecided 7% |
| St. Norbert College Margin of error: ± 6% Sample size: ? | October 14–17, 2015 | Hillary Clinton 35% | Bernie Sanders 33% | Joe Biden 21% | Martin O'Malley 1%, Lincoln Chafee 0%, Jim Webb 0%, Not Sure 10% |
| St. Norbert College Margin of error: ± 6% Sample size: ? | October 14–17, 2015 | Hillary Clinton 47% | Bernie Sanders 42% | – | Martin O'Malley 1%, Lincoln Chafee 1%, Jim Webb <1%, Not Sure 7% |
| Marquette University Margin of error: ± 5.9% Sample size: 394 | September 24–28, 2015 | Hillary Clinton 42% | Bernie Sanders 30% | Joe Biden 17% | Martin O'Malley 1%, Lincoln Chafee 0%, Jim Webb 0% |
| Marquette University Margin of error: ± 6.1% Sample size: 396 | August 13–16, 2015 | Hillary Clinton 44% | Bernie Sanders 32% | Joe Biden 12% | Lincoln Chafee 1%, Martin O'Malley 1%, Jim Webb 1% |
| Marquette University Margin of error: ± 5.1% Sample size: 391 | April 7–10, 2015 | Hillary Clinton 58.2% | Elizabeth Warren 14.3% | Joe Biden 12% | Martin O'Malley 0.9%, Jim Webb 0.9%, Someone else 3.7%, Don't know 8.9% |
| Public Policy Polling Margin of error: ± 4.4% Sample size: 504 | March 6–8, 2015 | Hillary Clinton 60% | Joe Biden 14% | Elizabeth Warren 12% | Bernie Sanders 5%, Martin O'Malley 1%, Jim Webb 1%, Other/Undecided 7% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Public Policy Polling Margin of error: ± 4.1% Sample size: 579 | April 17–20, 2014 | Hillary Clinton 57% | Russ Feingold 19% | Joe Biden 8% | Elizabeth Warren 5%, Cory Booker 1%, Andrew Cuomo 1%, Mark Warner 1%, Kirsten Gillibrand 0%, Martin O'Malley 0%, Someone else/Not sure 8% |
| Poll source | Date | 1st | 2nd | 3rd | Other |
| Marquette University Margin of error: ± 5% Sample size: 392 | October 21–27, 2013 | Hillary Clinton 64% | Elizabeth Warren 10.8% | Joe Biden 10.6% | Andrew Cuomo 1.9%, Martin O'Malley 0.8%, Someone else 2.1%, Don't know 9.2% |
| Public Policy Polling Margin of error: ± 4.6% Sample size: 449 | September 13–16, 2013 | Hillary Clinton 50% | Russ Feingold 20% | Joe Biden 11% | Elizabeth Warren 4%, Cory Booker 3%, Andrew Cuomo 2%, Kirsten Gillibrand 0%, Martin O'Malley 0%, Mark Warner 0%, Someone else/Not sure 9% |
| Marquette University Margin of error: ± 5.5% Sample size: 333 | May 6–9, 2013 | Hillary Clinton 61.5% | Joe Biden 13% | Elizabeth Warren 4.8% | Andrew Cuomo 4.2%, Deval Patrick 1.5%, Martin O'Malley 1.1%, Mark Warner 0.7%, Someone else 1.5%, Don't Know 11% |
| Public Policy Polling Margin of error: Sample size: | February 21–24, 2013 | Hillary Clinton 50% | Russ Feingold 25% | Joe Biden 11% | Andrew Cuomo 3%, Elizabeth Warren 2%, Martin O'Malley 1%, Deval Patrick 1%, Brian Schweitzer 0%, Mark Warner 0%, Someone Else/Undecided 8% |
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### Wyoming

Delegate count: 14 Pledged, 4 Unpledged Winner: Bernie Sanders Caucus date: April 9, 2016
| Poll source | Date | 1st | 2nd |
| Caucus results | March 5, 2016 | Bernie Sanders 55.7% | Hillary Clinton 44.3% |
No polls were conducted for the Wyoming Democratic caucuses.
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## District/territories
### American Samoa

Delegate count: 6 Pledged, 5 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | March 1, 2016 | Hillary Clinton 68.4% | Bernie Sanders 25.7% | Other 6.0% |

### District of Columbia

Delegate count: 20 Pledged, 26 Unpledged Winner: Hillary Clinton Primary date: June 14, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | June 14, 2016 | Hillary Clinton 78.7% | Bernie Sanders 21.1% | Other 0.2% |

### Guam

Delegate count: 7 Pledged, 5 Unpledged Winner: Hillary Clinton Primary date: May 7, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | May 7, 2016 | Hillary Clinton 59.5% | Bernie Sanders 40.5% | |

### Northern Marianas

Delegate count: 6 Pledged, 5 Unpledged Winner: Hillary Clinton Primary date: March 1, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | March 12, 2016 | Hillary Clinton 54.0% | Bernie Sanders 34.4% | Other 11.6% |

### Puerto Rico

Delegate count: 60 Pledged, 7 Unpledged Winner: Hillary Clinton Primary date: June 5, 2016
| Poll source | Date | 1st | 2nd | Other |
| Primary results | June 5, 2016 | Hillary Clinton 60.0% | Bernie Sanders 38.0% | Others 2.0% |
| Pasquines Polls Margin of error: ±% Sample size: 249 | May 23–30, 2016 | Hillary Clinton 64% | Bernie Sanders 30% | Others / Undecided 6% |

### Virgin Islands

Delegate count: 7 Pledged, 5 Unpledged Winner: Hillary Clinton Caucus date: June 4, 2016
| Poll source | Date | 1st | 2nd | Other |
| Caucus results | June 4, 2016 | Hillary Clinton 84.2% | Bernie Sanders 12.2% | |