Former Vice President Joe Biden Joe BidenSenate Republicans face tough decision on replacing Ginsburg What Senate Republicans have said about election-year Supreme Court vacancies Biden says Ginsburg successor should be picked by candidate who wins on Nov. 3 MORE said Sunday he can win the presidency based on his support from African American voters but that he can not take the support "for granted."

The Democratic presidential candidate said he has "overwhelming support" from the African American community, adding that he attributes the same "overwhelming support" from black voters to past Democratic presidential wins dating back to President Carter.

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"You can't win – you can't take it for granted. Last time we ran it was basically taken for granted," Biden said on NBC's "Meet the Press."

"I'm the only one who has the record and has the background and has the support. They know me. They know who I am."

Biden's response comes as Democrats continue the primary process into the more diverse states of Nevada and South Carolina.

The South Carolina primary, which will be held at the end of February, is the first state in the primary with a significant African American population.

A Quinnipiac University poll released Monday, however, suggests Biden's support among black voters may be slipping. His support among black voters fell to 27 percent, whereas former New York City Mayor Michael Bloomberg Michael BloombergTop Democratic super PAC launches Florida ad blitz after Bloomberg donation The Hill's 12:30 Report - Presented by Facebook - Latest with the COVID-19 relief bill negotiations The Memo: 2020 is all about winning Florida MORE's support among black voters surged to 22 percent, based on the poll.