The latest YouGov/CBS poll Iowa, conducted October 3 to 11, shows Elizabeth Warren, Joe Biden, and Bernie Sanders in dead heat, with Pete Buttigieg gaining strength:
Biden 22%
Warren 22%
Sanders 21%
Buttigieg 14%
Harris 5%
Steyer 3%
Klobuchar 2%
Booker 2%
O’Rourke 2%
The last YouGov poll of Iowa, conducted August 28 to September 4, showed Biden at 28 percent, Sanders at 26 percent, Warren at 17 percent, and Buttigieg at 7 percent.