Marist Institute for Public Opinion conducted a survey of 1023 Iowa adults between Aug 3 and Aug 7, 2016. Respondents were contacted by either Cellphone or Landline and instructed by a live operator. The results of this poll were released on Aug 9, 2016.
The poll was sponsored by NBC News and the Wall Street Journal.
Results were provided for each of the 2 publicly acknowledged questions along with the order in which they were presented.
Question 5 | PreferenceView Matchup
If November's presidential election were held today, whom would you support if the candidates are
| Clinton (D) | Trump (R) | Johnson (L) | Undecided | Stein (G) | Other | Total |
|---|
| All | 35% | 35% | 12% | 10% | 6% | 2% | 899
Registered |
| Female | 42% | 29% | 10% | 10% | 5% | 1% | 52% |
| Male | 25% | 42% | 15% | 9% | 7% | 2% | 48% |
| Democrat | 76% | 6% | 5% | 4% | 8% | 1% | 28% |
| Independent | 29% | 28% | 19% | 16% | 6% | 3% | 45% |
| Republican | 3% | 80% | 8% | 6% | 2% | 1% | 26% |
This question was presented to 899 registered voters from Iowa who were contacted in some undisclosed fashion. The margin of sampling error is ± 3.3%.
The question wording was provided by Marist Institute for Public Opinion, NBC News and the Wall Street Journal.
Question 10 | 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% | 899
Registered |
| Female | 41% | 52% | 7% | 0% | 52% |
| Male | 64% | 31% | 4% | 1% | 48% |
| Democrat | 8% | 89% | 2% | 0% | 28% |
| Independent | 54% | 37% | 9% | 0% | 45% |
| Republican | 94% | 5% | 1% | 1% | 26% |
This question was presented to 899 registered voters from Iowa who were contacted in some undisclosed fashion. The margin of sampling error is ± 3.3%.
The question wording was provided by Marist Institute for Public Opinion, NBC News and the Wall Street Journal.