HARRISBURG - Donald Trump and Hillary Clinton came away big winners in Pennsylvania's presidential primaries Tuesday.

On a day where more than 3 million people voted, Trump received support across the demographic spectrum.He won a majority of Republican men and women, a majority of voters at all income levels and voters from cities, suburbs and rural areas, according to results from an exit poll conducted for The Associated Press and television networks by Edison Research.Speaking in New York, Trump declared the GOP primary stakes "over," while Clinton, speaking in Philadelphia, urged Democrats to unify against a Republican candidate who would "pit Americans against each other."Clinton prevailed with majorities among voters 45 and older, as well as with women, black voters and those looking for an experienced candidate who can win in November, but lost millennials to Vermont Sen. Bernie Sanders. Clinton also turned in a solid performance in Philadelphia and its suburbs, where two in five Democrats live.With almost all precincts reporting, Trump won every Pennsylvania county. He netted 57 percent to 22 percent for Texas Sen. Ted Cruz and 19 percent for Ohio Gov. John Kasich.Clinton had 56 percent to 44 percent for Sanders. More than 3 million ballots were cast, but Pennsylvania did not break a primary turnout record.Clinton now has 2,141, or 90 percent of the 2,383 delegates needed to win the nomination. Sanders has 1,321. With 950 delegates, Trump has 77 percent of the delegates needed to win the nomination. He has to win slightly more than half of the remaining delegates to get there.