Poll Watch: CBS News/YouGov Iowa 2020 Democratic Caucus Survey

CBS News/YouGov Iowa 2020 Democratic Caucus Poll

• Joe Biden 22% {29%} [24%] (30%)
• Elizabeth Warren 22% {17%} [17%] (12%)
• Bernie Sanders 21% {26%} [19%] (22%)
• Pete Buttigieg 14% {7%} [7%] (11%)
• Kamala Harris 5% {6%} [16%] (5%)
• Tom Steyer 3% {2%} [2%]
• Amy Klobuchar 2% {2%} [4%] (4%)
• Cory Booker 2% {2%} [3%] (3%)
• Beto O'Rourke 2% {2%} [1%] (4%)
• Michael Bennet 1% {0%} [0%] (0%)
• Tulsi Gabbard 1% {1%} [0%] (1%)
• Marianne Williamson 1% {0%} [0%] (0%)
• Tim Ryan 1% {0%} [0%] (1%)
• Julián Castro 0% {1%} [2%] (0%)
• Andrew Yang 0% {1%} [0%] (0%)
• John Delaney 0% {1%} [1%] (2%)
• Steve Bullock 0% {0%} [0%] (1%)
• Wayne Messam 0% {0%} [0%] (0%)
• Joe Sestak 0% {0%} [1%]

Survey of 729 Iowa registered voters who are Democrats and Democratic-leaning Independents was conducted October 3-11, 2019. The margin of error is +/- 4.6 percentage points. Results from the poll conducted August 28 - September 4, 2019 are in curly brackets. Results from the poll conducted July 9-18, 2019 are in square brackets. Results from the poll conducted May 31 - June 12, 2019 are in parentheses.