- Jeb Bush - 18%
- Mike Huckabee - 15%
- Paul Ryan - 13%
- Rand Paul - 12%
- Marco Rubio - 11%
- Rick Santorum - 10%
- Ted Cruz - 9%
- Chris Christie - 6%
- Scott Walker - 6%
Survey of 222 Iowa registered Republican voters. The survey was conducted on June 4, 2014 - June 5, 2014. The margin of error is +/- 6.6%.