Overall, 24% say they back Biden, while 19% each support Sanders and Warren. The five-point margin between Biden and the two senators matches the survey‘s margin of sampling error.
Behind this top tier, 10% support South Bend, Indiana, Mayor Pete Buttigieg and 9% back California Sen. Kamala Harris. New Jersey Sen. Cory Booker and former Texas congressman Beto O‘Rourke each registered 2% in the poll.