IA - 2016 Presidential Election: Marco Rubio 47% - Hillary Clinton 42% - (NBC/WSJ/Marist 01/10/2016) chart & more info

Hillary Clinton
Marco Rubio
  • Rubio +5

IA - 2016 Presidential Election: Ted Cruz 47% - Hillary Clinton 43% - (NBC/WSJ/Marist 01/10/2016) chart & more info

Hillary Clinton
Ted Cruz
  • Cruz +4

IA - 2016 Democratic Presidential Primary: Hillary Clinton 48% - Bernie Sanders 45% - Martin O'Malley 5% - (NBC/WSJ/Marist 01/10/2016) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +3

IA - 2016 GOP Presidential Primary: Ted Cruz 28% - Donald Trump 24% - Marco Rubio 13% - (NBC/WSJ/Marist 01/10/2016) chart & more info

Donald Trump
Ted Cruz
  • Cruz +4

IA - 2016 GOP Presidential Primary: Ted Cruz 27% - Donald Trump 23% - Marco Rubio 15% - (FOX News 01/08/2016) chart & more info

Donald Trump
Ted Cruz
  • Cruz +4

IA - Trump vs. Clinton: Hillary Clinton 45% - Donald Trump 43% - (PPP 12/17/2015) chart & more info

Donald Trump
Hillary Clinton
  • Clinton +2

IA - 2016 Presidential Election: Ted Cruz 47% - Hillary Clinton 44% - (PPP 12/17/2015) chart & more info

Hillary Clinton
Ted Cruz
  • Cruz +3

IA - 2016 Presidential Election: Marco Rubio 48% - Hillary Clinton 41% - (PPP 12/17/2015) chart & more info

Hillary Clinton
Marco Rubio
  • Rubio +7

IA - 2016 Presidential Election: Hillary Clinton 46% - Jeb Bush 41% - (PPP 12/17/2015) chart & more info

Jeb Bush
Hillary Clinton
  • Clinton +5

IA - 2016 Presidential Election: Hillary Clinton 45% - Ben Carson 45% - (PPP 12/17/2015) chart & more info

Ben Carson
Hillary Clinton
  • Carson 0

IA - 2016 Democratic Presidential Primary: Hillary Clinton 51% - Bernie Sanders 40% - Martin O'Malley 6% - (Quinnipiac 12/15/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +11

IA - 2016 GOP Presidential Primary: Donald Trump 28% - Ted Cruz 25% - Marco Rubio 14% - (PPP 12/15/2015) chart & more info

Ted Cruz
Donald Trump
  • Trump +3

IA - 2016 Democratic Presidential Primary: Hillary Clinton 59% - Bernie Sanders 27% - Martin O'Malley 4% - (Loras College 12/15/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +32

IA - 2016 Democratic Presidential Primary: Hillary Clinton 52% - Bernie Sanders 34% - Martin O'Malley 7% - (PPP 12/15/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +18

IA - 2016 GOP Presidential Primary: Ted Cruz 30% - Donald Trump 23% - Marco Rubio 11% - (Loras College 12/15/2015) chart & more info

Donald Trump
Ted Cruz
  • Cruz +7

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8
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