O'Rourke doubles support in CNN poll of Dem presidential race

Rep. Beto O'RourkeBeto O'RourkeAnti-Trump Republicans on the line in 2022 too Matthew McConaughey on potential political run: 'I'm measuring it' Anti-Greg Abbott TV ad pulled minutes before college football game: Lincoln Project MORE has doubled his support in a new CNN poll measuring the popularity of possible Democratic presidential candidates.

Nine percent of Democrats polled said they would likely support O'Rouke in the 2020 race, putting him second in the poll behind former Vice President Joe BidenJoe BidenPelosi sets Thursday vote on bipartisan infrastructure bill Pressure grows to cut diplomatic red tape for Afghans left behind President Biden is making the world a more dangerous place MORE, who won 30 percent, and Sen. Bernie SandersBernie Sanders Texas House Republican tests positive for coronavirus in latest breakthrough case In defense of share buybacks Progressives seething over Biden's migrant policies MORE (I-Vt.), who won 14 percent. 

Both Biden and Sanders have much higher name recognition than O'Rourke, however, and Biden saw his support fall slightly. 

In a similar Oct. 4-7 poll, Biden won 33 percent of the vote and Sanders won 13 percent. O'Rourke only received 4 percent support in that poll, which was conducted during his Senate campaign against Sen. Ted CruzRafael (Ted) Edward CruzFBI investigating alleged assault on Fort Bliss soldier at Afghan refugee camp The Memo: Biden's immigration problems reach crescendo in Del Rio Matthew McConaughey on potential political run: 'I'm measuring it' MORE (R-Texas). O'Rourke lost that race, but it was a close result that has propelled him further into the presidential discussion.

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O'Rourke has met with a number of prominent Democrats in recent weeks, including former President Obama and Rev. Al Sharpton.

O'Rourke's rising support may be coming at the expense of other Democrats.

Both Democratic Sens. Kamala HarrisKamala HarrisBiden, Harris push big lie about Border Patrol Two 'View' hosts test positive for coronavirus ahead of Harris interview Rep. Karen Bass to run for mayor of Los Angeles: report MORE (Ca.) and Elizabeth WarrenElizabeth WarrenIn defense of share buybacks Democrats urge Biden to go all in with agenda in limbo In Washington, the road almost never taken MORE (Mass.) lost 5 percent support in the poll, with Harris falling from 9 percent to 4 percent, and Warren falling from 8 percent to 3 percent. 

Sen. Cory BookerCory BookerLawmakers gear up for spending bill, infrastructure votes Booker: End of police reform negotiations a 'frustrating experience' Sunday shows - All eyes on spending votes MORE (D-N.J.) finished fourth in the poll with 5 percent, the same level of support he won in October.

Harris and former Secretary of State John KerryJohn KerryOvernight Energy & Environment — Presented by the League of Conservation Voters — EPA finalizing rule cutting HFCs Overnight Energy & Environment — Presented by the League of Conservation Voters — Senate Finance chair backs budget action on fossil fuel subsidies Kerry: 'We can't get where we need to go' in climate fight if China isn't joining in MORE, who ran for president as the Democratic nominee in 2004, each won 4 percent. 

Along with Warren, former New York City Mayor Michael Bloomberg and Sen. Amy KlobucharAmy KlobucharHillicon Valley — Presented by Xerox — Officials want action on cyberattacks Senate panel advances antitrust bill that eyes Google, Facebook This week: Democrats face mounting headaches MORE (D-Minn.) won 3 percent.

The poll, conducted by SRS, interviewed 463 Democrats and Democratic-leaning independents between Dec. 6 and 9. The margin of error among the sample was 5.6 points.