Joe Biden Wins br South Carolina Primary South Carolina marks br the first primary win for br the former vice president. Biden took 48.4 of the vote. Bernie Sanders came in second with 19.9 and br Tom Steyer followed with 11.3. Based on Edison Media Research br exit polling, Biden received the most br support from black and older voters over 45. South Carolina is considered br the first test for candidates as to br how they will perform with black voters, who make up br 50 percent of the vote. 54 delegates were at stake br in the South Carolina primary. Early predictions showed Biden br with a double digit lead over current br Democratic frontrunner Bernie Sanders. Biden has had a longtime br affection for South Carolina. br The former vice president promised br a victory during the Thursday debate. He recently received the endorsement br of Rep. James Clyburn, considered the br "godfather" of South Carolina politics. 2020 marks Biden's third br attempt for the presidency.