Trump (46 per cent) has been leading the three-man Republican race with a huge 20 percentage point over Senator Ted Cruz (26 per cent).
Ohio Governor John Kasich is placed third with 20 per cent point, according to the poll conducted by CNN/ORG.
As per the CNN/ORC poll, Trump would bring the most excitement if he were the nominee, with 40 per cent of Republican and GOP-leaning independents saying they would be enthusiastic with him as the nominee.
Cruz follows at 31 per cent, with Kasich the preferred choice of 17 per cent of GOP voters.
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In the Democratic party, Clinton continues to top Bernie Sanders in the race for nomination, with 51 per cent saying they'd most like to see her the nominee.
Trump leads in North Carolina and Georgia, as per
RealClearPolitics.
On Wednesday Clinton is scheduled to hit the ground in North Carolina while Trump is planning to make a major speech in New York.
"I have been brutalised by the press for three weeks, and she has had the best week she's ever had, and there's very little difference in the polls," he asserted, adding that he would recreate the primary magic.
"You saw what happened in the primaries, how so many people more voted than they did, as you know, four years ago. I think we're going to do very well. I think it's going to be a big, beautiful surprise," he said.