Poll Watch: NBC News/Marist Iowa 2016 Democratic Caucus Survey

NBC News/Marist Iowa 2016 Democratic Caucus Poll

• Hillary Clinton 68% (70%)
• Joe Biden 12% (20%)
• Bernie Sanders 7%
• Jim Webb 1%
• Martin O'Malley 0%
• Undecided 12% (10%)

Survey of 321 potential Democratic caucus-goers was conducted February 3-10, 2015.  The margin of error is +/- 5.5 percentage points. Results from the poll conducted July 7-13, 2014 are in parentheses.