Poll Watch: Suffolk University Iowa 2016 Democratic Caucus Survey

Suffolk University Iowa 2016 Democratic Caucus Poll

• Hillary Clinton 53.8% [66.49%] (62.96%)
• Bernie Sanders 19.8%
• Joe Biden 11.2% [7.85%] (9.63%)
• Martin O'Malley 4.4% [2.09%] 
• Jim Webb 0.6%
• Lincoln Chafee 0.4%
• Undecided 9.4% [7.85%] (11.85%)

Survey of 500 likely Iowa Democratic caucus voters was conducted August 20-24, 2015. The margin of error is +/- 4.4 percentage points. Click here to view crosstabs. Results from the poll conducted August 23-26, 2014 are in square brackets. Results from the poll conducted April 3-8, 2014 are in parentheses.