NBC/Wall Street Journal/Marist Election 2016 Iowa Republican Presidential Caucus Poll
- Ted Cruz – 28%
- Donald Trump – 24%
- Marco Rubio – 13%
- Ben Carson – 11%
- Rand Paul – 5%
- Jeb Bush – 4%
- Chris Christie – 3%
- Carly Fiorina – 3%
- Mike Huckabee – 2%
- John Kasich – 2%
- Other – 1%
- Undecided – 5%
General Election Polls
- Marco Rubio – 47%
- Hillary Clinton – 42%
- Ted Cruz – 47%
- Hillary Clinton – 43%
- Hillary Clinton – 48%
- Donald Trump – 40%