US - 2016 Democratic Presidential Primary: Hillary Clinton 62% - Joe Biden 14% - Bernie Sanders 10% - (ABC News/Wash Post 06/02/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +48

VA - 2016 Democratic Presidential Primary: Hillary Clinton 80% - Joe Biden 5% - Bernie Sanders 2% - (Christopher Newport Univ. 04/27/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +75

US - 2016 Democratic Presidential Primary: Hillary Clinton 62% - Joe Biden 9% - Bernie Sanders 4% - (FOX News 04/24/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +53

US - 2016 Democratic Presidential Primary: Hillary Clinton 60% - Joe Biden 10% - Bernie Sanders 8% - (Quinnipiac 04/23/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +50

US - 2016 Democratic Presidential Primary: Hillary Clinton 69% - Joe Biden 11% - Bernie Sanders 5% - (CNN/ORC 04/20/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +58

NC - 2016 Democratic Presidential Primary: Hillary Clinton 53% - Joe Biden 13% - Elizabeth Warren 11% - (PPP 04/10/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +40

US - 2016 Democratic Presidential Primary: Hillary Clinton 61% - Joe Biden 12% - Elizabeth Warren 11% - (FOX News 04/02/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +49

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

FL - 2016 Democratic Presidential Primary: Hillary Clinton 65% - Joe Biden 11% - Elizabeth Warren 7% - (Quinnipiac 04/02/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +54

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

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

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

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

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