On April 26, Harper (R) released the results of a new poll, in which respondents from Pennsylvania were asked for whom they would vote if the parties' nominees were Hillary Clinton for the Democrats and Donald Trump for the Republicans.
The results reveal that 45.0% of participants will vote for Democratic party, whereas 40.0% said they would vote for the Republicans. This poll was conducted from March 1 to March 2, among a random sample of 662 likely voters. Results have a +/-3.6 percentage points error margin. Converting these results into two-party vote shares yields figures of 52.9% for the Democrats and 47.1% for the Republicans.