Poll Watch: David Binder Research Iowa 2020 Democratic Caucus Survey

David Binder Research Iowa 2020 Democratic Caucus Poll

• Joe Biden 30% (37%)
• Bernie Sanders 13% (12%)
• Beto O'Rourke 11%
• Amy Klobuchar 10% 
• Elizabeth Warren 9% (16%)
• Kamala Harris 7% (10%)
• Cory Booker 6% (8%)
• Sherrod Brown 3%
• Michael Bloomberg 2%
• John Kerry 2%
• John Delaney 1% (1%)
• Eric Garcetti 0% (0%)
• Undecided 6% (9%)

Survey of 500 registered voters in Iowa who stated they were likely to participate in the Democratic presidential caucuses of 2020 was conducted December 10-11, 2018. The margin of error is +/- 4.4 percentage points. Results from the poll conducted September 20-23, 2018 are in parentheses.