Poll: Biden leads Trump by 5 points nationwide

Democratic presidential nominee Joe BidenJoe Biden 64 percent of Iowans say 'time for someone else' to hold Grassley's Senate seat: poll Philadelphia shooting leaves 2 dead, injures toddler Ron Johnson booed at Juneteenth celebration in Wisconsin MORE leads President TrumpDonald TrumpHead of firms that pushed 'Italygate' theory falsely claimed VA mansion was her home: report Centrists gain foothold in infrastructure talks; cyber attacks at center of Biden-Putin meeting VA moving to cover gender affirmation surgery through department health care MORE by 5 percentage points in a new Hill-HarrisX national poll. 

Forty-five percent of registered voters in the Sept. 19-21 survey said they'd cast their ballots for the former vice president if the election were held today, compared to 40 percent of respondents who said they would choose Trump.

Trump backers increased by 1 percentage point from the previous poll conducted Sept. 10-14.

Four percent of voters surveyed said they'd vote for someone else while another 4 percent said they do not plan to vote. 

Seven percent of respondents said they are unsure.

The survey found Biden retaining his lead among suburban voters, at 46 percent compared to Trump's 39 percent.

However, Trump has gained support among midwesterners, overtaking Biden in the region.

In the Sept. 10-14 poll, 45 percent of voters in the midwest chose Biden as their preferred candidate while 41 percent chose Trump.

In this most recent survey, respondents in this region chose Trump over Biden, at 46 to 40 percent.

The Hill-HarrisX poll was conducted online among 2,803 registered voters between Sept. 19-21. It has a margin of error of plus or minus 1.85 percentage points.

Gabriela Schulte