Poll Watch: NBC News/Wall Street Journal/Marist Iowa 2016 Presidential Survey

NBC News/WSJ/Marist Iowa 2016 Presidential Poll

• Hillary Clinton (D) 41% {42%} [48%] (41%) {43%}
• Donald Trump (R) 37% {39%} [40%] (48%) {48%} 

Including Third-Party Candidates:

• Hillary Clinton (D) 35% {37%}
• Donald Trump (R) 35% {37%}
• Gary Johnson (L) 12% {7%}
• Jill Stein (G) 6% {4%}

Survey of 899 registered voters was conducted August 3-7, 2016. The margin of error is +/- 3.3 percentage points. Results from the poll conducted July 5-10, 2016 are in curly brackets. Results from the poll conducted January 2-7, 2016 are in square brackets. Results from the poll conducted September 23-30, 2015 are in parentheses. Results from the poll conducted August 26 - September 2, 2015 are in curly brackets.