February 20-22, 2015
Survey of 691 registered voters
...
Hillary Clinton.................................................. 50%
Jeb Bush......................................................... 40%
Jeb Bush......................................................... 45%
Joe Biden........................................................ 39%
Jeb Bush......................................................... 43%
Elizabeth Warren ............................................ 41%
...
Hillary Clinton.................................................. 48%
Ben Carson..................................................... 40%
Hillary Clinton.................................................. 48%
Chris Christie .................................................. 40%
Hillary Clinton.................................................. 50%
Ted Cruz ......................................................... 40%
Hillary Clinton.................................................. 50%
Mike Huckabee ............................................... 41%
Hillary Clinton.................................................. 47%
Rand Paul ....................................................... 40%
Hillary Clinton.................................................. 48%
Rick Perry ....................................................... 41%
Hillary Clinton.................................................. 48%
Marco Rubio ................................................... 41%
Hillary Clinton.................................................. 48%
Scott Walker ................................................... 40%
...
http://www.publicpolicypolling.com/pdf/2015/PPP_Release_National_22515.pdf