With less than 48-hours remaining before primary polls open in Pennsylvania, Donald Trump and Hillary Clinton have both built sizable leads there a new survey shows.

According to a Wall Street Journal/NBC News/Marist poll released early Sunday, April 24, Trump now leads Texas Sen. Ted Cruz 45 percent to 27 percent with Ohio Gov. John Kasich lagging even further behind at 24 percent.

Trump Supporters Solidly in his Corner

Building on the recent momentum generated by his landslide win in his home state of New York, the poll shows 72 percent of all Trump backers insisting that they "strongly support" his candidacy.

On the Democratic side, Clinton leads Vermont Sen. Bernie Sanders 55 percent to 40 percent.

"Trump and Clinton are both positioned to win the popular vote," said Lee Miringoff, director of the Marist Institute for Public Opinion. "For Democrats, it's all about the delegate counts. But for Republicans, the popular vote doesn't guarantee a big chunk of the delegates at the convention.

Meanwhile, in a hypothetical head-to-head match-up between the two front-runners, Clinton soundly thumps Trump 54 percent to 39 percent. In addition, pollsters found of the remaining three GOP candidates only Kasich tops Clinton at 48 percent to 45 percent.

Still, Trump enjoys wide appeal in the state, with men, voters over the age of 45 and those without a college degree among his strongest supporters.

As in many prior races, Trump runs poorer among female voters college graduates and voters who self-identify as "very conservative.''

As for Clinton, the former first lady and Secretary of State attracts twice as much support from African-American voters than does Sanders. She also holds huge leads among women and voters age 45 and older.

In contrast, Mr. Sanders owns big leads among younger voters and the most liberal primary voters.

Trump, Clinton Also Leading in Indiana

A recent WTHR/HPI Poll in Indiana also finds Trump at 37 percent, compared to 31 percent for Cruz and 22 percent for Ohio Gov. John Kasich. On the Democratic side, Clinton leads Sanders 48 percent to 45 percent.

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