PA - 2016 Democratic Presidential Primary: Hillary Clinton 48% - Elizabeth Warren 15% - Joe Biden 13% - (Quinnipiac 04/02/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +33

US - 2016 Democratic Presidential Primary: Hillary Clinton 66% - Joe Biden 12% - Elizabeth Warren 12% - (ABC News/Wash Post 04/02/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +54

NH - 2016 Democratic Presidential Primary: Hillary Clinton 47% - Bernie Sanders 8% - Elizabeth Warren 22% - (Boston Herald/Franklin Pierce Univ. 03/31/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +39

NV - 2016 Democratic Presidential Primary: Hillary Clinton 61% - Elizabeth Warren 15% - Joe Biden 3% - (Gravis Marketing 03/31/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +46

NH - 2016 Democratic Presidential Primary: Hillary Clinton 49% - Bernie Sanders 12% - Elizabeth Warren 20% - (Gravis Marketing 03/24/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +37

FL - 2016 Democratic Presidential Primary: Hillary Clinton 58% - Joe Biden 14% - Elizabeth Warren 10% - (PPP 03/24/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +44

NY - 2016 Democratic Presidential Primary: Hillary Clinton 51% - Elizabeth Warren 11% - Joe Biden 8% - (Quinnipiac 03/23/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +40

US - 2016 Democratic Presidential Primary: Hillary Clinton 62% - Joe Biden 15% - Elizabeth Warren 10% - (CNN/ORC 03/18/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +47

CT - 2016 Democratic Presidential Primary: Hillary Clinton 53% - Bernie Sanders 2% - Joe Biden 8% - (Quinnipiac 03/12/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +51

WI - 2016 Democratic Presidential Primary: Hillary Clinton 60% - Joe Biden 14% - Elizabeth Warren 12% - (PPP 03/10/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +46

US - 2016 Democratic Presidential Primary: Hillary Clinton 60% - Elizabeth Warren 12% - Joe Biden 13% - (McClatchy/Marist 03/06/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +48

US - 2016 Democratic Presidential Primary: Hillary Clinton 56% - Elizabeth Warren 14% - Joe Biden 10% - (Quinnipiac 03/05/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +42

FL - 2016 Democratic Presidential Primary: Hillary Clinton 52% - Joe Biden 9% - Elizabeth Warren 14% - (Gravis Marketing 03/03/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +43

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

US - 2016 Democratic Presidential Primary: Hillary Clinton 54% - Joe Biden 16% - Elizabeth Warren 12% - (PPP 02/25/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +38

SC - 2016 Democratic Presidential Primary: Hillary Clinton 59% - Joe Biden 18% - Elizabeth Warren 10% - (PPP 02/19/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +41

CA - 2016 Democratic Presidential Primary: Hillary Clinton 59% - Elizabeth Warren 17% - Joe Biden 9% - (Field 02/19/2015) chart & more info

Elizabeth Warren
Hillary Clinton
  • Clinton +42

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

NH - 2016 Democratic Presidential Primary: Hillary Clinton 69% - Bernie Sanders 13% - Joe Biden 8% - (NBC/Marist 02/15/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +56

SC - 2016 Democratic Presidential Primary: Hillary Clinton 65% - Joe Biden 20% - Bernie Sanders 3% - (NBC/Marist 02/15/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +45