The top three Democratic White House contenders all lead President Trump Donald John TrumpFederal prosecutor speaks out, says Barr 'has brought shame' on Justice Dept. Former Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick MORE in Ohio, according to a new Emerson College poll released Thursday.

Former Vice President Joe Biden Joe BidenFormer Pence aide: White House staffers discussed Trump refusing to leave office Progressive group buys domain name of Trump's No. 1 Supreme Court pick Bloomberg rolls out M ad buy to boost Biden in Florida MORE and Sen. Bernie Sanders Bernie SandersSirota reacts to report of harassment, doxing by Harris supporters Republicans not immune to the malady that hobbled Democrats The Hill's Morning Report - Sponsored by Facebook - Republicans lawmakers rebuke Trump on election MORE (I-Vt.) have 6-point leads over Trump (53 percent to 47 percent). Sen. Elizabeth Warren Elizabeth WarrenOvernight Defense: Appeals court revives House lawsuit against military funding for border wall | Dems push for limits on transferring military gear to police | Lawmakers ask for IG probe into Pentagon's use of COVID-19 funds On The Money: Half of states deplete funds for Trump's 0 unemployment expansion | EU appealing ruling in Apple tax case | House Democrats include more aid for airlines in coronavirus package Warren, Khanna request IG investigation into Pentagon's use of coronavirus funds MORE (D-Mass.) leads Trump by 4 points (52 percent to 48 percent) among the Ohio registered voters surveyed.

ADVERTISEMENT

When polling for match-ups with Vice President Pence, Biden leads 54 percent to 46 percent while Sanders and Warren both lead 51 percent to 49 percent.

“At this point, it does not appear that the impeachment issue would significantly impact a Trump candidacy as his numbers are comparable with Pence in the head to head matchups,” Spencer Kimball, director of Emerson Polling, said.

Biden, Sanders and Warren, who are consistently polling in the top three in most national and state-level primary surveys, are buoyed by an underwater approval rating for Trump. Forty-three percent of respondents approve of the job Trump is doing as president, while 51 percent disapprove.

Democrats hope to win back Ohio, a historical swing state that Trump won by about 8 points in 2016 against former Secretary of State Hillary Clinton Hillary Diane Rodham ClintonBloomberg rolls out M ad buy to boost Biden in Florida Hillicon Valley: Productivity, fatigue, cybersecurity emerge as top concerns amid pandemic | Facebook critics launch alternative oversight board | Google to temporarily bar election ads after polls close Trump pledges to make Juneteenth a federal holiday, designate KKK a terrorist group in pitch to Black voters MORE. Trump overperformed in the industrial Rust Belt in that cycle, also flipping Michigan, Pennsylvania and Wisconsin.

Democrats have indicated that they will pay extra attention to that region in the 2020 election, already scheduling their nominating conference to take place in Milwaukee.

The Emerson College poll surveyed 837 registered Ohio voters from Sept. 29-Oct. 2 and has a margin of error of 3.3 percentage points.