Results of a new poll conducted by PPP (D) were published on April 4. Participants from Iowa were asked, who they would give their vote to, if the election were today. The results reveal that 45.0% of respondents plan to vote for Clinton, while 43.0% said they would vote for the republican Trump. The poll was conducted from December 10 to December 13 among 1426 registered voters. The error margin is +/-2.6 percentage points.
Converting these results into two-party vote shares yields figures of 51.1% for the democrat Clinton and 48.9% for Trump.