2020 Iowa Democratic Caucus:
— Political Polls (@Politics_Polls) September 18, 2019
Warren 24%
Biden 16%
Sanders 16%
Buttigieg 13%
Harris 5%
Gabbard 4%
Klobuchar 3%
Yang 3%
Steyer 2%
Booker 2%
O'Rourke 2%
Williamson 1%
Ryan 1%
Bullock 0%
Castro 0%
Bennet 0%
Delaney 0%
de Blasio 0%@civiqs/@IowaStateU 9/13-17