Here's an old poll from August 2014 -- from PPP:
Q6 If the candidates for President next time were
Democrat Hillary Clinton and Republican Jeb
Bush, who would you vote for?
Hillary Clinton.................................................. 43%
Jeb Bush......................................................... 48%
Not sure .......................................................... 9%
Q7 If the candidates for President next time were
Democrat Hillary Clinton and Republican Chris
Christie, who would you vote for?
Hillary Clinton.................................................. 44%
Chris Christie .................................................. 41%
Not sure .......................................................... 15%
Q8 If the candidates for President next time were
Democrat Hillary Clinton and Republican Ted
Cruz, who would you vote for?
Hillary Clinton.................................................. 46%
Ted Cruz ......................................................... 41%
Not sure .......................................................... 13%
Q9 If the candidates for President next time were
Democrat Hillary Clinton and Republican Mike
Huckabee, who would you vote for?
Hillary Clinton.................................................. 44%
Mike Huckabee ............................................... 47%
Not sure .......................................................... 9%
Q10 If the candidates for President next time were
Democrat Hillary Clinton and Republican Rand
Paul, who would you vote for?
Hillary Clinton.................................................. 43%
Rand Paul ....................................................... 49%
Not sure .......................................................... 8%
....
Q26 In the last presidential election, did you vote for
Barack Obama or Mitt Romney?
Barack Obama................................................ 40%
Mitt Romney.................................................... 52%
Someone else / Don't remember .................... 8%
http://www.publicpolicypolling.com/main/2014/08/rand-paul-continues-to-be-popular-in-home-state-of-kentucky.html#moreI do not show these polls in my map of polling results; I include no polls from before the election of November 2014. I would not make much of the difference between this poll and the Bluegrass Poll. I can make no conclusions of how any other Republicans would do.