| Poll source | Date | 1st | 2nd | Others / Undecided |
|---|---|---|---|---|
| Official Primary results[1] | June 7, 2016 | Hillary Clinton 51.0% |
Bernie Sanders 49.0% |
|
| Targeted Persuasion[2]
Margin of error: ±3.31%
|
May 23–24, 2016 | Hillary Clinton 50% |
Bernie Sanders 47% |
Undecided 3% |
References
- ^ Official Primary results
- ^ "Hillary Clinton Leads Sanders By 3 in South Dakota on Strength with Women and Registered Democrats" (PDF). Targeted Persuasion. Retrieved June 4, 2016.