Obama remains more popular among the state's black voters, 75 percent to 17 percent, and Clinton does better among whites, 56 percent to 38 percent. As in past surveys, Clinton leads among older voters and Obama leads among younger ones.
The Quinnipiac University poll was conducted by telephone from April 3-6. It involved interviews with 1,340 likely Democratic voters in Pennsylvania. The margin of sampling error was plus or minus 2.7 percentage points.
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