Former Vice President Joe Biden is leading the field of Democratic presidential candidates and likely candidates in Michigan, according to a new poll.

The Emerson College poll shows Biden leading the field with the backing of 40 percent of registered voters surveyed. Sen. Bernie Sanders (I-Vt.) is a distant second, with 23 percent.

Biden has not yet announced a bid for the White House but is reportedly likely to enter the race.

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Behind Biden and Sanders, Sen. 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 (D-Calif.) received 12 percent of the vote 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.) received 11 percent. No other candidates received more than 5 percent, the poll found.

If Biden does not jump into the race, respondents shift a large number of votes to Sanders, according to the poll. The poll shows that 42 percent of registered voters would back Sanders if Biden does not become an option, followed by Harris, at 23 percent, and Warren, at 18 percent.

Sanders scored an upset victory in 2016 over eventual 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 in Michigan's Democratic primary, beating the former secretary of State by just more than 1 point.

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 went on to win the state in the general election over Clinton, the first time the state had gone for a Republican presidential candidate since 1984.

The Emerson poll also showed each of the leading Democratic candidates defeating Trump in Michigan in a potential 2020 matchup.

Biden would defeat Trump by the widest margin, according to the poll, with 54 percent of the vote to Trump's 46 percent.

The poll's results are based on interviews with 743 registered voters in Michigan from March 7 to 10. The poll has a margin of error of plus or minus 3.5 percentage points.