Results of a new poll conducted by NBC/WSJ/MaristNBC/WSJ/Marist were circulated on March 31. The poll asked respondents from Iowa for whom they would likely vote if the Democratic Party nominated Hillary Clinton and the Republicans nominated Donald Trump.
The results reveal that 48.0% of interviewees plan to vote for the Democrat Clinton, while 40.0% said they would vote for the Republican Trump. The poll was conducted from January 2 to January 7 among 1470 registered voters. Figures have a +/-2.6 percentage points margin of error.
According to other surveys
Translating these results into two-party vote shares yields values of 54.6% for the Democrat Hillary Clinton and 45.5% for the Republican Donald Trump. The vote share for the Democrats is 1.7 percentage points under the average results of other polls in Iowa.