- Marco Rubio - 16%
- Mike Huckabee - 16%
- Rand Paul - 15%
- Jeb Bush - 14%
- Chris Christie - 12%
- Paul Ryan - 10%
- Susana Martinez - 4%
- Bobby Jindal - 3%
- Rick Perry - 3%
PPP surveyed Iowa voters between February 1, 2013 to February 3, 2016. The margin of error is +/-5.4%.