Hillary Clinton Hillary Diane Rodham ClintonHillicon Valley: FBI chief says Russia is trying to interfere in election to undermine Biden | Treasury Dept. sanctions Iranian government-backed hackers The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters FBI chief says Russia is trying to interfere in election to undermine Biden MORE has nearly double the voter support of Bernie Sanders Bernie SandersMcConnell accuses Democrats of sowing division by 'downplaying progress' on election security The Hill's Campaign Report: Arizona shifts towards Biden | Biden prepares for drive-in town hall | New Biden ad targets Latino voters Why Democrats must confront extreme left wing incitement to violence MORE in South Carolina heading toward next week’s Democratic presidential primary, according to a new poll.

Clinton leads Sanders, 60 percent to 32 percent, before the Feb. 27 contest, the NBC News/Wall Street Journal/Marist survey released Friday says. Sanders is up 5 points from the same survey last month, while Clinton's support has dipped by 4.

Clinton trounces Sanders, however, among black voters, 68 percent to 21 percent.

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Pollsters also found that likely Democratic primary voters in South Carolina are typically dedicated to their candidate.

About 69 percent “strongly support” their contender, while 23 percent “somewhat support” their pick. About 9 percent “might vote differently,” and 2 percent remain unsure.

NBC News/Wall Street Journal/Marist conducted its latest sampling of 425 likely Democratic primary voters in South Carolina Feb. 15–17. It has a 4.8 percent margin of error.

Sanders topped Clinton in a national poll for the first time late Thursday, edging past her 47-44 percent in a Fox News survey.

Clinton leads Sanders by over 24 points before next week’s Democratic primary in South Carolina, according to the latest RealClearPolitics average. Their race for the Democratic presidential nomination is much closer nationally, with Clinton holding a roughly 6-point average edge over the Vermont lawmaker.