Poll Watch: Suffolk University Iowa 2016 Republican Caucus Survey

Suffolk University Iowa 2016 GOP Caucus Poll

• Donald Trump 16.6%
• Scott Walker 12.0% [4.37%] (5.51%)
• Marco Rubio 9.6% [5.34%] (5.51%)
• Ben Carson 9.4%
• Ted Cruz 7.4% [4.85%] (9.45%)
• Carly Fiorina 7.2%
• Jeb Bush 4.6% [7.28%] (10.24%) 
• John Kasich 3.4% [0.97%]
• Mike Huckabee 2.4% [13.11%] (11.02%)
• Rand Paul 2.2% [6.80%] (10.24%)
• Chris Christie 1.8% [10.68%] (7.09%) 
• Bobby Jindal 1.4% [2.91%] (3.15%)
• Rick Perry 0.8% [8.74%] (3.15%)
• Rick Santorum 0.6% [5.83%] (5.51%) 
• Lindsey Graham 0.2%
• Jim Gilmore 0.0% 
• George Pataki 0.0%
• Other 0.0% [4.37%]
• Undecided 20.4% [16.99%] (3.15%)

Survey of 500 likely Iowa GOP caucus voters was conducted August 7-10, 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.