Front-runner Joe Biden Joe BidenPelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Hillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Fox News poll: Biden ahead of Trump in Nevada, Pennsylvania and Ohio MORE’s support held steady in a new poll of the 2020 Democratic presidential race that saw Sen. Elizabeth Warren Elizabeth WarrenHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns On The Money: Anxious Democrats push for vote on COVID-19 aid | Pelosi, Mnuchin ready to restart talks | Weekly jobless claims increase | Senate treads close to shutdown deadline Democratic senators ask inspector general to investigate IRS use of location tracking service MORE (D-Mass.) and South Bend, Ind., Mayor Pete Buttigieg Pete ButtigiegBillionaire who donated to Trump in 2016 donates to Biden The Hill's Morning Report - Sponsored by Facebook - GOP closes ranks to fill SCOTUS vacancy by November Buttigieg stands in as Pence for Harris's debate practice MORE make gains.

The poll from ABC News and The Washington Post released early Sunday found Biden with 27 percent support from Democrats and independents who lean toward the party, unchanged from a similar survey in early September.

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Warren, however, gained 4 percentage points, climbing from 17 percent to 21 percent. The results mark a new high in the poll for the senator, ABC News noted.

Buttigieg, who is now at 7 percent, added 3 points since early September.

According to the survey, support for Sen. Bernie Sanders Bernie SandersThe Hill's Campaign Report: Trump faces backlash after not committing to peaceful transition of power Bernie Sanders: 'This is an election between Donald Trump and democracy' The Hill's 12:30 Report: Trump stokes fears over November election outcome MORE (I-Vt.) was also constant, holding at 19 percent.

Sen. Kamala Harris Kamala HarrisHundreds of lawyers from nation's oldest African American sorority join effort to fight voter suppression Biden picks up endorsement from progressive climate group 350 Action 3 reasons why Biden is misreading the politics of court packing MORE (D-Calif.) lost 5 points, falling to 2 percent.

Pollsters also found that Biden has 28 percent support among registered voters, while Warren has 23 percent, Sanders has 17 percent and Buttigieg has 9 percent. No other Democratic candidate topped 2 percent in the new survey.

Biden is the favorite of moderates, black voters, men and those above the age of 65, the results show. The former vice president is also seen as having the best chance of beating President Trump Donald John TrumpSteele Dossier sub-source was subject of FBI counterintelligence probe Pelosi slams Trump executive order on pre-existing conditions: It 'isn't worth the paper it's signed on' Trump 'no longer angry' at Romney because of Supreme Court stance MORE, with 42 percent saying he has that attribute, compared to 17 percent who said the same about Warren and 16 percent for Sanders.

The new survey of 1,003 adults was conducted between Oct. 27 and Oct. 30. It has a margin of error of 5.5 percentage points.

Biden leads the 2020 Democratic field by about 7 points in the RealClearPolitics average of polling with 27.6 percent. Warren follows with 20.4 percent. She is trailed by Sanders with 17 percent, Buttigieg with 7.1 percent and Harris with 4.7 percent.

This report was updated at 8:13 a.m.