Among Likely Caucus Goers:
Elizabeth Warren, U.S. senator from Massachusetts 24%
Joe Biden, former vice president of the United States 16%
Bernie Sanders, U.S. senator from Vermont 16%
Pete Buttigieg, mayor of South Bend, Indiana 13%
Kamala Harris, U.S. senator from California 5%
Tulsi Gabbard, U.S. representative from Hawaii 4%
Amy Klobuchar, U.S. senator from Minnesota 3%
Andrew Yang, businessman 3%
Tom Steyer, businessman 2%
Cory Booker, U.S. Senator from New Jersey 2%
Beto O'Rourke, former U.S. representative from Texas 2%
Marianne Williamson, author and activist 1%
Tim Ryan, U.S. representative from Ohio 1%
Steve Bullock, governor of Montana 0%
Julian Castro, former U.S. secretary of Housing and Urban Development 0%
Michael Bennet, U.S. senator from Colorado 0%
John Delaney, former U.S. representative from Maryland 0%
Bill de Blasio, mayor of New York City 0% Unsure 8%
Source