Marquette poll: Bernie Sanders takes double-digit lead in Dem field
KQED Poll: Bernie Sanders Dominates the Field in California | KQED
Why Bernie Sanders Is Electable, Too
USC Dornsife/LA Times poll: Biden is the favorite among likely voters at nearly 2:1 - Press Room USC
Polls show Biden, Sanders and Warren at top of 2020 Democratic field - CBS News
KING 5 News poll: Biden edges Sanders days before Washington presidential primary | king5.com
Saint Anselm poll: Buttigieg surges to 10 percentage point lead over Biden, Warren in NH
Sanders, Warren, Biden lead the Democratic Primary in California - Change Research
New poll shows Joe Biden ahead of Bernie Sanders in Missouri presidential primary | FOX40
Yahoo News/YouGov: Biden leads Sanders ahead of Michigan primary | YouGov
UMass poll gives Joe Biden, Bernie Sanders edge in 2020 New Hampshire Democratic primary - masslive.com
Chart: Biden Has Clear Lead Over Sanders, Trump | Statista
Biden, Warren, Sanders stay on top; health is now an issue for Sanders: POLL - ABC News
Sanders banked on young voters. Here's how the numbers have played out | PBS NewsHour
USC Dornsife/LA Times poll: Biden is the favorite among likely voters at nearly 2:1 - Press Room USC
CBS/YouGov Poll: Debate watchers believe Bernie Sanders made the best case for defeating Trump | YouGov
How Biden, Warren and Sanders fare vs. Trump in 2020 election polls
Poll: Biden leads Sanders by 22 points – The Hill
Bernie Sanders ahead of Joe Biden in Texas, new poll shows | FOX 5 San Diego
Biden Way Ahead in Sunshine State | FAU Business
2020 Democratic polls: Biden, Warren, Harris, Sanders on top in early contests, CBS News Battleground Tracker finds - CBS News
Biden, Sanders Have Nearly Identical Lead Over Trump in Hypothetical Matchup
Biden leads Sanders in new Michigan poll - YouTube
WMUR/CNN poll: Sanders holds big lead over Clinton; Biden key factor
Texas primary: Bernie Sanders, Joe Biden tied, poll says | kvue.com
