The results of a new poll, conducted by Quinnipiac in Ohio, were published on April 7. 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, 42.0% of interviewees would vote for the democrat Clinton, while 44.0% would vote for the republican Trump. The poll was conducted between February 16 and February 20. The sample size was 1539 registered voters. The margin of error is +/-2.5 points.
Converting these results into two-party vote shares yields figures of 48.8% for the Democrats and 51.2% for the Republicans.