Gravis Marketing conducted a survey of 1302 Iowa registered voters between Sep 25 and Sep 27, 2015. Respondents were contacted by Landline and the interaction was automated. The results of this poll were released on Oct 2, 2015.
The poll was sponsored by One America News Network.
Results were provided for the only publicly acknowledged question.
Question 4 | PreferenceView Matchup
Assuming you had to vote today, which 2016 Democrat Candidate would you vote for?
This question was presented to 328 registered voters from Iowa who were contacted in some undisclosed fashion. The margin of sampling error is ± 5.4%.
The question wording was provided by Gravis Marketing and One America News Network.