Des Moines Register/Bloomberg Politics Iowa 2016 Democratic Caucus Survey

Des Moines Register/Bloomberg Politics Iowa 2016 Democratic Caucus Poll

• Hillary Clinton 37% {57%} [56%] (53%)
• Bernie Sanders 30% {16%} [5%] (3%)
• Joe Biden 14% {8%} [9%] (9%)
• Martin O'Malley 3% {2%} [1%] (0%)
• Jim Webb 2% {2%} [3%] (1%)
• Lincoln Chafee 1%

If Joe Biden does not run for president:

• Hillary Clinton 43%
• Bernie Sanders 35%
• Martin O'Malley 5%
• Jim Webb 2%
• Lincoln Chafee 1%

Survey of 404 registered voters who say they definitely or probably will attend the 2016 Democratic caucuses was conducted August 23-26, 2015 by Selzer & Co. The margin of error is +/- 4.9 percentage points. Results from the poll conducted May 25-29, 2015 are in curly brackets.  Results from the poll conducted January 26-29, 2015 are in square brackets. Results from the poll conducted October 1-7, 2014 are in parentheses.