Biden, Sanders Both Trounce Trump in Head-to-Head Matchups, New Poll Finds

President Donald Trump would endure a resounding defeat against potential 2020 contenders Joe Biden or Bernie Sanders, according to a new SurveyUSA poll that surveyed registered voters about their preferred choices in hypothetical, head-to-head matchups.

Former Vice President Joe Biden and independent Senator Bernie Sanders, both currently competing for the Democratic Party's presidential nomination, would trounce Trump by eight points in the popular vote, according to the poll.

Biden and Sanders earned the support of 50 percent of U.S. registered voters, SurveyUSA found, while Trump lagged behind at 42-percent support.

The poll was conducted over the first five days of August, just after the Democratic Party's second presidential debates in Detroit, Michigan.

Candidates such as senators Elizabeth Warren and Kamala Harris edged out Trump in potential runoffs, but their leads weren't wide enough to overcome the margin of error. South Bend, Indiana, Mayor Pete Buttigieg was measured at 42 percent, two points behind Trump in a potential matchup.

Among critical demographics within the electorate that were responsible for massive Democratic gains during the 2018 midterms, Trump's opponents appear to be decisively prevailing.

Biden leads Trump by 24 points among suburban women, and the other candidates measured all lead in this same demographic by over 10 points.

Sanders comes out atop the Democratic pack among Independent voters, who prefer him to Trump by 10 points. Biden is the only other candidate preferred to Trump by Independents.

Democratic Presidential Candidates Participate In First Debate Of 2020 Election Over Two Nights
Democratic presidential candidate former Vice President Joe Biden speaks as Sen. Bernie Sanders (I-VT) looks on during the second night of the first Democratic presidential debate on June 27, 2019 in Miami, Florida. Drew Angerer/Getty

However, in households that consider themselves prospering, irrespective of actual, verified income, voters break for Trump by substantial margins. Trump bests Warren and Harris by at least 27 points among 'prospering' households, and he outplays Biden, his biggest electoral threat, by 18 points among the self-described prosperous.

Poorer voters prefer the Democratic candidates just as fervently. Sanders earned their support with a two-to-one share over Trump and Biden tops Trump with poor voters by 29 points.

Catholic voters, many have whom have been riven by large shifts in traditional political conflicts which previously unified large swaths of the denomination, were divided in the SurveyUSA poll. Issues like abortion, LGBTQ rights and treatment of migrants have culled some otherwise-conservative Catholics to the Democratic tent. Biden and Sanders narrowly lead the president among Catholics, while the other candidates are still trailing him slightly.

Much of the Democratic lineup has currently descended upon Iowa for the primary bastion's State Fair. Trump won the state in 2016 by just over nine points, but Democrats converted two Republican-held congressional seats during the 2018 midterms. Iowa is critical in primary races as the first-in-the-nation contest for each party's presidential nominating process.

Editor's Note: This article has been updated to correct a typo.