Des Moines Register/Bloomberg Politics Iowa 2016 Democratic Caucus Survey

Des Moines Register/Bloomberg Politics Iowa 2016 Democratic Caucus Poll

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

Survey of 437 likely Democratic caucus participants was conducted May 25-29, 2015 by Selzer & Co. The margin of error is +/- 4.7 percentage points. 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.