The results of a new poll, conducted on behalf of SurveyUSA in Michigan, were released on March 29. In the survey participants were asked, whether they would vote for democrat Hillary Clinton or republican Donald Trump, assuming that these two candidates would win the primaries. According to the results, 49.0% of participants plan to vote for the Democrats, while 38.0% plan to vote for the Republicans. The poll was conducted between March 23 and March 24. The sample size was 904 likely voters. The error margin is +/-3.3 percentage points.
Converting these results into two-party vote shares yields figures of 56.3% for the Democrats and 43.7% for the Republicans. The vote share for the democrats is 1.3 percentage points under the average results of other polls in Michigan.