IA - 2016 Democratic Presidential Primary: Hillary Clinton 61% - Elizabeth Warren 19% - Joe Biden 7% - (Quinnipiac 02/26/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +42

IA - 2016 GOP Presidential Primary: Scott Walker 25% - Rand Paul 13% - Mike Huckabee 11% - (Quinnipiac 02/25/2015) chart & more info

Rand Paul
Scott Walker
  • Walker +12

IA - 2016 Presidential Election: Hillary Clinton 45% - Rand Paul 37% - (Quinnipiac 02/18/2015) chart & more info

Rand Paul
Hillary Clinton
  • Clinton +8

IA - 2016 Presidential Election: Hillary Clinton 45% - Mike Huckabee 38% - (Quinnipiac 02/18/2015) chart & more info

Mike Huckabee
Hillary Clinton
  • Clinton +7

IA - 2016 Presidential Election: Hillary Clinton 45% - Scott Walker 35% - (Quinnipiac 02/18/2015) chart & more info

Scott Walker
Hillary Clinton
  • Clinton +10

IA - 2016 Presidential Election: Hillary Clinton 44% - Chris Christie 34% - (Quinnipiac 02/18/2015) chart & more info

Chris Christie
Hillary Clinton
  • Clinton +10

IA - 2016 Presidential Election: Hillary Clinton 45% - Jeb Bush 35% - (Quinnipiac 02/18/2015) chart & more info

Jeb Bush
Hillary Clinton
  • Clinton +10

IA - 2016 Presidential Election: Hillary Clinton 48% - Jeb Bush 40% - (NBC/Marist 02/15/2015) chart & more info

Jeb Bush
Hillary Clinton
  • Clinton +8

IA - 2016 Presidential Election: Hillary Clinton 49% - Scott Walker 38% - (NBC/Marist 02/15/2015) chart & more info

Scott Walker
Hillary Clinton
  • Clinton +11

IA - 2016 Democratic Presidential Primary: Hillary Clinton 68% - Joe Biden 12% - Martin O'Malley 0% - (NBC/Marist 02/15/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +56

IA - 2016 GOP Presidential Primary: Mike Huckabee 17% - Jeb Bush 16% - Scott Walker 15% - (NBC/Marist 02/15/2015) chart & more info

Jeb Bush
Mike Huckabee
  • Huckabee +1

IA - 2016 GOP Presidential Primary: Scott Walker 16% - Rand Paul 15% - Mike Huckabee 13% - (Des Moines Register/Bloomberg 01/31/2015) chart & more info

Rand Paul
Scott Walker
  • Walker +1

IA - 2016 Democratic Presidential Primary: Hillary Clinton 56% - Elizabeth Warren 16% - Joe Biden 9% - (Des Moines Register/Bloomberg 01/31/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +40

IA - 2016 Democratic Presidential Primary: Hillary Clinton 48% - Elizabeth Warren 17% - Joe Biden 13% - (Loras College 01/31/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +31

IA - 2016 GOP Presidential Primary: Mike Huckabee 14% - Jeb Bush 13% - Ben Carson 13% - (Loras College 01/30/2015) chart & more info

Jeb Bush
Mike Huckabee
  • Huckabee +1

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