US - 2016 GOP Presidential Primary: Hillary Clinton 48% - Joe Biden 9% - Elizabeth Warren 11% - (Quinnipiac 07/08/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +39

FL - 2016 Presidential Election: Marco Rubio 46% - Joe Biden 43% - (SurveyUSA 06/24/2014) chart & more info

Joe Biden
Marco Rubio
  • Rubio +3

FL - 2016 Presidential Election: Jeb Bush 47% - Joe Biden 38% - (SurveyUSA 06/10/2014) chart & more info

Joe Biden
Jeb Bush
  • Bush +9

US - 2016 Democratic Presidential Primary: Hillary Clinton 66% - Joe Biden 12% - Elizabeth Warren 7% - (ABC News/Wash Post 06/08/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +54

PA - 2016 Democratic Presidential Primary: Hillary Clinton 65% - Joe Biden 9% - Andrew Cuomo 5% - (PPP 06/05/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +56

SC - 2016 Democratic Presidential Primary: Hillary Clinton 50% - Joe Biden 12% - Andrew Cuomo 2% - (Clemson Univ. 06/05/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +38

IA - 2016 Democratic Presidential Primary: Hillary Clinton 59% - Joe Biden 12% - Elizabeth Warren 11% - (PPP 05/22/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +47

FL - 2016 Democratic Presidential Primary: Hillary Clinton 64% - Joe Biden 11% - Elizabeth Warren 6% - (Quinnipiac 05/01/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +53

NH - 2016 Democratic Presidential Primary: Hillary Clinton 65% - Joe Biden 6% - Andrew Cuomo 4% - (WMUR/UNH 04/18/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +59

US - 2016 Democratic Presidential Primary: Hillary Clinton 69% - Joe Biden 14% - Elizabeth Warren 6% - (FOX News 04/16/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +55

IA - 2016 Democratic Presidential Primary: Hillary Clinton 63% - Joe Biden 10% - Elizabeth Warren 12% - (Suffolk Univ. 04/09/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +53

US - 2016 Democratic Presidential Primary: Hillary Clinton 64% - Joe Biden 13% - Andrew Cuomo 4% - (CNN/Opinion Research 03/16/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +51

US - 2016 Democratic Presidential Primary: Hillary Clinton 66% - Joe Biden 11% - Elizabeth Warren 5% - (PPP 03/14/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +55

IA - 2016 Democratic Presidential Primary: Hillary Clinton 67% - Joe Biden 12% - Elizabeth Warren 3% - (PPP 02/27/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +55

FL - 2016 Democratic Presidential Primary: Hillary Clinton 64% - Joe Biden 9% - Elizabeth Warren 5% - (Quinnipiac 01/31/2014) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +55