Clinton leads Obama, McCain in key matchups: poll

WASHINGTON (Reuters) - Democratic presidential contender Hillary Clinton holds a 9-point lead over rival Barack Obama among likely Pennsylvania Democratic primary voters ahead of the state's April 22 primary, according to a Quinnipiac University poll released on Wednesday.

Clinton, a New York senator who would be the first female president, leads the Illinois senator 50 percent to 41 percent, the poll found. She also runs better against the likely Republican nominee, Sen. John McCain, in Pennsylvania, Florida and Ohio -- all important swing states in the general election.

In a general election matchup in Florida, McCain closely trails Clinton 42 percent to 44 percent but McCain leads Obama, who would be the first black president, 46 percent to 37 percent, according to the poll.

"The difference between Clinton and Obama in Florida is the white vote," said Peter Brown of the Quinnipiac University Polling Institute.

In Ohio, Clinton has a 48 to 39 percent lead over McCain after months of too-close-to-call results, the poll found. In an Obama-McCain matchup, Obama gets 43 percent against 42 percent for McCain.

In Pennsylvania, Clinton tops McCain 48 to 40 percent and Obama leads the Arizona senator 43 percent to 39 percent.

Among Pennsylvania Democrats, Clinton leads 54 to 37 percent with women and ties Obama with men at 46 percent support.

The primary vote between Clinton and Obama splits sharply along racial lines.

Clinton leads 59 to 34 percent among white Pennsylvania likely primary voters while Obama leads 73 to 11 percent among black Democrats, the poll found.