Bernie Sanders Holds Lead Over Joe Biden Heading Into Iowa Caucus Sanders has a nine-point lead over Biden a week before the Iowa Caucus, according to a survey conducted by Iowa's Emerson College.
30% support Sanders and 21% support Biden, according to a survey conducted by Iowa's Emerson College.
Sen.
Amy Klobuchar had 13% support, Sen.
Elizabeth Warren had 11% support and Pete Buttigieg had 10% support, according to the Emerson College survey.
Sanders had 44% support among Iowa voters under 50 years old, while 32% of voters over 50 years old supported Biden.
Spencer Kimball, polling director, via release The Emerson College survey included data from 450 voters.