Poll Watch: NBC News/Marist Iowa 2016 Presidential Survey

NBC News/Marist Iowa 2016 Presidential Poll

• Jeb Bush (R) 50% [40%] (42%)
• Hillary Clinton (D) 39% [48%] (46%)

• Donald Trump (R) 48%
• Hillary Clinton (D) 43%

Survey of 998 registered voters was conducted August 26 - September 2, 2015. The margin of error is +/- 3.1 percentage points.  Results from the poll conducted February 3-10, 2015 are in square brackets. Results from the poll conducted July 7-13, 2014 are in parentheses.