IA-Civiqs/ISU: Warren 28, Buttigieg 20, Sanders 18, Biden 12

[Sorenroy]

Sample size of 598 likely voters, conducted October 18th to 22nd. Change is from their previous poll conducted one month ago.

Warren — 28% (+4%)
Buttigieg — 20% (+7%)
Sanders — 18% (+2%)
Biden — 12% (-4%)
Klobuchar — 4% (+1%)
Harris — 3% (-2%)
Steyer — 3% (+1%)
Gabbard — 2% (-2%)
Yang — 2% (-1%)
Booker — 1% (-1%)
O'Rourke — 1% (-1%)
Bennet — 1% (+1%)
Delaney — 0% (±0)
Castro — 0% (±0)
Williamson — 0% (-1%)
Bullock — 0% (±0)
Ryan — 0% (-1%)