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Biden, Sanders top poll of possible Democratic presidential hopefuls

Former Vice President Joe BidenJoe BidenBiden offers support to union organizing efforts Senate Democrats nix 'Plan B' on minimum wage hike Kavanaugh dismays conservatives by dodging pro-Trump election lawsuits MORE and Sen. Bernie SandersBernie SandersSenate Democrats nix 'Plan B' on minimum wage hike Senate mulls changes to .9 trillion coronavirus bill NFL's Justin Jackson praises Sanders for opposing Biden's USDA nominee MORE (I-Vt.) are the most popular potential 2020 Democratic presidential candidates, according to a new American Barometer poll. 

The poll, which is a joint project of Hill.TV and the HarrisX polling company, showed Biden with a 50 percent favorable rating, while Sanders trailed with a 48 percent favorable rating. 

Only 31 percent of those polled said they viewed the former vice president unfavorably. A third of respondents said they viewed Sanders unfavorably. 

The survey comes as speculation swirls around a slew of potential Democratic contenders, including Sens. Kirsten GillibrandKirsten GillibrandPentagon launches civilian-led commission to address military sexual assault Capito asks White House to allow toxic chemicals rule to proceed Lobbying world MORE (N.Y.), Kamala HarrisKamala HarrisBrown vows Democrats will 'find a way' to raise minimum wage Dwayne 'The Rock' Johnson vs. Donald Trump: A serious comparison Exclusive: How Obama went to bat for Warren MORE (Calif.), Elizabeth WarrenElizabeth WarrenSenate mulls changes to .9 trillion coronavirus bill Exclusive: How Obama went to bat for Warren Minimum wage setback revives progressive calls to nix Senate filibuster MORE (Mass.) and Cory BookerCory BookerObama says reparations 'justified' Congressional Black Caucus unveils '100 Day Plan' Menendez reintroduces corporate diversity bill MORE (N.J.), who could challenge President TrumpDonald TrumpSacha Baron Cohen calls out 'danger of lies, hate and conspiracies' in Golden Globes speech Sorkin uses Abbie Hoffman quote to condemn Capitol violence: Democracy is 'something you do' Ex-Trump aide Pierson planning run for Congress MORE in 2020. 

Warren held the highest favorable rating among Democratic senators listed in the survey, with 33 percent of those polled saying they held a favorable view of the senator.

The poll showed Gillibrand holding a 20 percent favorable rating, while 21 percent of respondents said they have a favorable view of Harris, and 23 percent said the same for Booker.  

Name recognition remains an obstacle for many Democratic contenders. 

Thirty-four percent of respondents said they had never heard of Gillibrand, while 36 percent said the same for Harris. Thirty-two percent of respondents had not heard of Booker.

Only 4 percent of those polled said they had never heard of Biden or Sanders. 

Democratic pollster Margie Omero urged caution when speculating about current 2020 polling. Omero said that much could change before the presidential election. 

"I remember lots of green room snickering over Bernie Sanders in September before the [2016 Democratic] primary," Omero told Hill.TV's Jamal Simmons on "What America's Thinking" Friday. “A lot can change. That doesn’t mean that Joe Biden doesn’t have an advantage."

“I think there are going to be a lot of Democrats who are going to feel torn because there are so many exciting candidates from which to choose," she continued. 

The survey was conducted July 21–22 among 1,001 registered voters. 

— Julia Manchester