President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE trails a trio of potential Democratic presidential nominees among voters in Wisconsin, according to a poll released Monday.

An Emerson College Polling survey showed that Trump lags behind former Vice President Joe Biden Joe BidenOmar fires back at Trump over rally remarks: 'This is my country' Trump mocks Biden appearance, mask use ahead of first debate Trump attacks Omar for criticizing US: 'How did you do where you came from?' MORE, Sen. Bernie Sanders Bernie SandersButtigieg stands in as Pence for Harris's debate practice Bernie Sanders warns of 'nightmare scenario' if Trump refuses election results Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (I-Vt.) and Sen. Elizabeth Warren Elizabeth WarrenHarris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda Judd Gregg: The Kamala threat — the Californiaization of America GOP set to release controversial Biden report MORE (D-Mass.), and runs even with a few other Democratic presidential hopefuls.

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The poll showed Biden leading Trump by 8 percentage points in a hypothetical 2020 match-up, 54 percent to 46 percent. Sanders and Warren both had 4 point advantages over Trump, 52 percent to 48 percent.

Trump is running neck-and-neck with Democratic Sens. Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (Minn.) and Kamala Harris Kamala HarrisButtigieg stands in as Pence for Harris's debate practice First presidential debate to cover coronavirus, Supreme Court Harris joins women's voter mobilization event also featuring Pelosi, Gloria Steinem, Jane Fonda MORE (Calif.) and narrowly trails former Rep. Beto O’Rourke (D-Texas) by 2 percentage points, the survey found.

Democrats lost more support among voters than Trump when former Starbucks CEO Howard Schultz was inserted into the hypothetical match-ups. Biden dipped to 51 percent with Schultz in the mix, with Trump sliding to 45 percent.

Schultz is mulling a presidential run as an Independent.

Thirty-nine percent of those surveyed chose Sanders as their top choice among Democratic candidates, followed by Biden, who was the favorite of 24 percent of respondents.

Monday's poll surveyed 775 registered voters in Wisconsin from March 15-17 and has a margin of error of 3.5 percentage points.

O'Rourke entered the race last week, joining declared candidates like Sanders, Warren, Harris, Klobuchar and Sen. Cory Booker Cory Anthony BookerBipartisan praise pours in after Ginsburg's death DHS opens probe into allegations at Georgia ICE facility Democratic lawmakers call for an investigation into allegations of medical neglect at Georgia ICE facility MORE (D-N.J.). Biden is considered a near certainty to jump into the race as well, though he has not announced his intentions.

Trump won Wisconsin in 2016, narrowly beating out Democratic nominee Hillary Clinton Hillary Diane Rodham ClintonButtigieg stands in as Pence for Harris's debate practice Senate GOP sees early Supreme Court vote as political booster shot Poll: 51 percent of voters want to abolish the electoral college MORE to become the first Republican to win there since 1984. The state will be a key battleground in the 2020 race.

Democrats took control of the governor's mansion and held on to their Senate seat in statewide elections in last year, and the party will hold its 2020 national convention in Milwaukee.