The poll was released as Biden is mulling over the prospect of a presidential run of his own.
He polled higher against Donald Trump (48 percent to 40), Jeb Bush (45-39) and Marco Rubio (44-41), according to Quinnipiac's numbers.
Clinton is still the preferred Democratic candidate with 45 percent, while Donald Trump still leads other Republican challengers with 28 percent.
Click here to read the Quinnipiac poll results in detail.
Click here to follow Daily Voice Chappaqua and receive free news updates.