Former Vice President Joe Biden Joe BidenBiden leads Trump by 36 points nationally among Latinos: poll GOP set to release controversial Biden report Can Donald Trump maintain new momentum until this November? MORE brought in more than $1.2 million Wednesday, the day after South Carolina's primary debate, in what his presidential campaign said is its best day of fundraising yet.

The campaign announced the $1,207,257 haul on Thursday in an email to supporters, announcing a new goal to raise $3.5 million.

Biden said during the Tuesday debate he expects to win in Saturday’s primary in South Carolina, where polls show him leading the pack.

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"I'm going to win South Carolina," Biden repeated in a post-debate interview with CBS News.

"I think it's just important that I win. One point is enough, but I think I'm going to win by a lot more than that," he added.

House Majority Whip James Clyburn, a high profile South Carolina Democrat, officially endorsed Biden the morning after the debate, giving him a boost in the state days before the primary.

Biden led most national polls at the beginning of his campaign, but he has lost considerable ground to Sen. Bernie Sanders Bernie SandersNYT editorial board remembers Ginsburg: She 'will forever have two legacies' Two GOP governors urge Republicans to hold off on Supreme Court nominee Sanders knocks McConnell: He's going against Ginsburg's 'dying wishes' MORE (I-Vt.) in recent weeks and posted disappointing results in the first three early voting states: Iowa, New Hampshire and Nevada.