By race:

White
Biden 22%
Sanders 20%
Warren 19%
Buttigieg 13%
Bloomberg 7%
Klobuchar 4%
Yang 2%

Black
Biden 52%
Warren 14%
Bloomberg 7%
Sanders 6%
Yang 3%
Booker 2%
Buttigieg 2%

— Steve Kornacki (@SteveKornacki) December 16, 2019