NH - 2016 Democratic Presidential Primary: Bernie Sanders 43% - Hillary Clinton 36% - Joe Biden 13% - (Monmouth Univ. 09/15/2015) chart & more info

Hillary Clinton
Bernie Sanders
  • Sanders +7

US - 2016 Democratic Presidential Primary: Hillary Clinton 42% - Bernie Sanders 24% - Joe Biden 21% - (ABC News/Wash Post 09/14/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +18

CA - 2016 Democratic Presidential Primary: Hillary Clinton 39% - Bernie Sanders 23% - Joe Biden 11% - (USC Dornsife/LA Times 09/13/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +16

US - 2016 Democratic Presidential Primary: Hillary Clinton 37% - Bernie Sanders 27% - Joe Biden 20% - (CNN/ORC 09/10/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +10

US - 2016 Democratic Presidential Primary: Hillary Clinton 48% - Bernie Sanders 21% - Joe Biden 21% - (Emerson College 09/10/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +27

IA - 2016 Democratic Presidential Primary: Bernie Sanders 41% - Hillary Clinton 40% - Joe Biden 12% - (Quinnipiac 09/10/2015) chart & more info

Hillary Clinton
Bernie Sanders
  • Sanders +1

SC - 2016 Democratic Presidential Primary: Hillary Clinton 54% - Joe Biden 24% - Bernie Sanders 9% - (PPP 09/09/2015) chart & more info

Joe Biden
Hillary Clinton
  • Clinton +30

US - 2016 Democratic Presidential Primary: Hillary Clinton 42% - Bernie Sanders 20% - Joe Biden 22% - (Monmouth Univ. 09/08/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +22

IA - 2016 Democratic Presidential Primary: Hillary Clinton 38% - Bernie Sanders 27% - Joe Biden 20% - (NBC/Marist 09/06/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +11

NH - 2016 Democratic Presidential Primary: Bernie Sanders 41% - Hillary Clinton 32% - Joe Biden 16% - (NBC/Marist 09/06/2015) chart & more info

Hillary Clinton
Bernie Sanders
  • Sanders +9

FL - 2016 Democratic Presidential Primary: Hillary Clinton 52% - Bernie Sanders 20% - Joe Biden 15% - (Opinion Savvy/Morris News 09/04/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +32

GA - 2016 Democratic Presidential Primary: Hillary Clinton 51% - Bernie Sanders 24% - Joe Biden 15% - (Fox 5 Atlanta/Morris News 09/04/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +27

IA - 2016 Democratic Presidential Primary: Hillary Clinton 48% - Bernie Sanders 23% - Joe Biden 16% - (Loras College 09/02/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +25

US - 2016 Democratic Presidential Primary: Hillary Clinton 55% - Bernie Sanders 20% - Lincoln Chafee 1% - (PPP 09/01/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +35

US - 2016 Democratic Presidential Primary: Hillary Clinton 45% - Bernie Sanders 22% - Joe Biden 18% - (Quinnipiac 08/27/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +23

US - 2016 Democratic Presidential Primary: Hillary Clinton 50% - Bernie Sanders 24% - Lincoln Chafee 2% - (Rasmussen 08/26/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +26

IA - 2016 Democratic Presidential Primary: Hillary Clinton 54% - Bernie Sanders 20% - Joe Biden 11% - (Suffolk Univ. 08/25/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +34

NH - 2016 Democratic Presidential Primary: Bernie Sanders 42% - Hillary Clinton 35% - Lincoln Chafee 2% - (PPP 08/25/2015) chart & more info

Hillary Clinton
Bernie Sanders
  • Sanders +7

WI - 2016 Democratic Presidential Primary: Hillary Clinton 44% - Bernie Sanders 32% - Joe Biden 12% - (Marquette Univ. 08/20/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +12

PA - 2016 Democratic Presidential Primary: Hillary Clinton 45% - Bernie Sanders 19% - Joe Biden 17% - (Quinnipiac 08/20/2015) chart & more info

Bernie Sanders
Hillary Clinton
  • Clinton +26