Fox News Election 2016 Iowa Republican Presidential Primary Caucus Poll
- Ted Cruz – 27%
- Donald Trump – 23%
- Marco Rubio – 15%
- Ben Carson – 9%
- Jeb Bush – 7%
- Rand Paul – 5%
- Chris Christie – 4%
- Mike Huckabee – 2%
- Carly Fiorina – 1%
- John Kasich – 1%
- Rick Santorum – 1%
- Jim Gilmore – 0%
- Undecided – 2%
504 Republicans were asked in this poll. The poll was conducted on January 4, 2016 to January 7, 2016. The margin of error is +/-4%.