IA - Trump vs. Clinton: Hillary Clinton 44% - Donald Trump 44% - (PPP 11/04/2015) chart & more info

Donald Trump
Hillary Clinton
  • Trump 0

IA - 2016 Presidential Election: Ben Carson 47% - Bernie Sanders 43% - (PPP 11/04/2015) chart & more info

Bernie Sanders
Ben Carson
  • Carson +4

IA - 2016 Presidential Election: Donald Trump 44% - Bernie Sanders 43% - (PPP 11/04/2015) chart & more info

Bernie Sanders
Donald Trump
  • Trump +1

IA - 2016 Presidential Election: Marco Rubio 45% - Bernie Sanders 38% - (PPP 11/04/2015) chart & more info

Bernie Sanders
Marco Rubio
  • Rubio +7

IA - 2016 Presidential Election: Ben Carson 47% - Hillary Clinton 43% - (PPP 11/04/2015) chart & more info

Hillary Clinton
Ben Carson
  • Carson +4

IA - 2016 Presidential Election: Hillary Clinton 45% - Jeb Bush 40% - (PPP 11/04/2015) chart & more info

Jeb Bush
Hillary Clinton
  • Clinton +5

IA - 2016 Presidential Election: Marco Rubio 45% - Hillary Clinton 43% - (PPP 11/04/2015) chart & more info

Hillary Clinton
Marco Rubio
  • Rubio +2

IA - 2016 Presidential Election: Hillary Clinton 43% - John Kasich 36% - (PPP 11/04/2015) chart & more info

John Kasich
Hillary Clinton
  • Clinton +7

IA - 2016 Presidential Election: Hillary Clinton 46% - Ted Cruz 44% - (PPP 11/04/2015) chart & more info

Ted Cruz
Hillary Clinton
  • Clinton +2

IA - 2016 Presidential Election: Hillary Clinton 44% - Carly Fiorina 43% - (PPP 11/04/2015) chart & more info

Carly Fiorina
Hillary Clinton
  • Clinton +1

IA - 2016 Democratic Presidential Primary: Hillary Clinton 46% - Bernie Sanders 32% - Martin O'Malley 5% - (KBUR/Monmouth College 11/03/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +14

IA - 2016 Democratic Presidential Primary: Hillary Clinton 57% - Bernie Sanders 25% - Martin O'Malley 7% - (PPP 11/02/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +32

IA - 2016 GOP Presidential Primary: Donald Trump 22% - Ben Carson 21% - Ted Cruz 14% - (PPP 11/02/2015) chart & more info

Ben Carson
Donald Trump
  • Trump +1

IA - 2016 GOP Presidential Primary: Ben Carson 28% - Donald Trump 20% - Ted Cruz 15% - (KBUR/Monmouth College 11/02/2015) chart & more info

Donald Trump
Ben Carson
  • Carson +8

IA - 2016 Democratic Presidential Primary: Hillary Clinton 62% - Bernie Sanders 24% - Martin O'Malley 3% - (Loras College 10/27/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +38

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