Marist Institute for Public Opinion conducted a survey of 1022 Iowa adults between Jul 5 and Jul 10, 2016. Respondents were contacted by either Cellphone or Landline and instructed by a live operator. The results of this poll were released on Jul 13, 2016.
The poll was sponsored by NBC News and the Wall Street Journal.
Results were provided for each of the 2 publicly acknowledged questions, but the ordering was not published.
Question 5 | PreferenceView Matchup
If November's presidential election were held today, whom would you support if the candidates are:
| Clinton (D) | Trump (R) | Undecided | Johnson (L) | Stein (G) | Other | Total |
|---|
| All | 37% | 37% | 14% | 7% | 4% | 2% | 822
Registered |
| Female | 44% | 30% | 15% | 6% | 2% | 3% | 54% |
| Male | 28% | 45% | 12% | 8% | 6% | 1% | 46% |
| Democrat | 80% | 3% | 6% | 4% | 5% | 3% | 30% |
| Independent | 32% | 33% | 17% | 9% | 7% | 2% | 37% |
| Republican | 4% | 74% | 14% | 5% | 1% | 1% | 33% |
This question was presented to 822 registered voters from Iowa who were contacted in some undisclosed fashion. The margin of sampling error is ± 3.4%.
The question wording was provided by Marist Institute for Public Opinion, NBC News and the Wall Street Journal.
Question 8 | PreferenceView Matchup
If November's election for U.S. Senate in Iowa were held today, whom would you support if the candidates are: [including those who are undecided yet leaning toward a candidate
| Grassley (R) | Judge (D) | Undecided | Other | Total |
|---|
| All | 52% | 42% | 5% | 1% | 822
Registered |
| Female | 51% | 45% | 3% | 0% | 54% |
| Male | 53% | 38% | 7% | 1% | 46% |
| Democrat | 9% | 88% | 2% | 1% | 30% |
| Independent | 48% | 40% | 10% | 1% | 37% |
| Republican | 95% | 3% | 1% | 1% | 33% |
This question was presented to 822 registered voters from Iowa who were contacted in some undisclosed fashion. The margin of sampling error is ± 3.4%.
The question wording was provided by Marist Institute for Public Opinion, NBC News and the Wall Street Journal.