NH - 2016 GOP Presidential Primary: Donald Trump 32% - Ben Carson 13% - Carly Fiorina 8% - (Gravis Marketing 10/09/2015) chart & more info

Ben Carson
Donald Trump
  • Trump +19

US - 2016 GOP Presidential Primary: Donald Trump 26% - Ben Carson 22% - Marco Rubio 8% - (Fairleigh Dickinson Univ. 10/08/2015) chart & more info

Ben Carson
Donald Trump
  • Trump +4

CA - 2016 GOP Presidential Primary: Donald Trump 17% - Ben Carson 15% - Carly Fiorina 13% - (Field 10/08/2015) chart & more info

Ben Carson
Donald Trump
  • Trump +2

PA - Trump vs. Clinton: Hillary Clinton 44% - Donald Trump 42% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Hillary Clinton
  • Clinton +2

OH - Trump vs. Clinton: Hillary Clinton 43% - Donald Trump 42% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Hillary Clinton
  • Clinton +1

FL - Trump vs. Clinton: Hillary Clinton 46% - Donald Trump 41% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Hillary Clinton
  • Clinton +5

PA - 2016 Presidential Election: Bernie Sanders 46% - Donald Trump 41% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Bernie Sanders
  • Sanders +5

PA - 2016 Presidential Election: Joe Biden 50% - Donald Trump 40% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Joe Biden
  • Biden +10

OH - 2016 Presidential Election: Bernie Sanders 44% - Donald Trump 41% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Bernie Sanders
  • Sanders +3

OH - 2016 Presidential Election: Joe Biden 49% - Donald Trump 38% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Joe Biden
  • Biden +11

FL - 2016 Presidential Election: Bernie Sanders 46% - Donald Trump 41% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Bernie Sanders
  • Sanders +5

FL - 2016 Presidential Election: Joe Biden 52% - Donald Trump 38% - (Quinnipiac 10/07/2015) chart & more info

Donald Trump
Joe Biden
  • Biden +14

PA - 2016 GOP Presidential Primary: Donald Trump 23% - Ben Carson 17% - Jeb Bush 4% - (Quinnipiac 10/07/2015) chart & more info

Ben Carson
Donald Trump
  • Trump +6

OH - 2016 GOP Presidential Primary: Donald Trump 23% - John Kasich 13% - Ben Carson 18% - (Quinnipiac 10/07/2015) chart & more info

John Kasich
Donald Trump
  • Trump +10

FL - 2016 GOP Presidential Primary: Donald Trump 28% - Marco Rubio 14% - Ben Carson 16% - (Quinnipiac 10/07/2015) chart & more info

Marco Rubio
Donald Trump
  • Trump +14