Just days before the Feb. 20 primary, Republican front-runner Donald TrumpDonald TrumpClinton, Trump tied in battleground Iowa while Grassley leads challenger in Senate race Hillary Clinton needs to fight her own debate battles Debate must expose divide between Trump, Clinton on climate change MORE holds a commanding lead in South Carolina, according to a new poll.
Marco RubioMarco RubioGlenn Beck: I was wrong about Ted Cruz Senate rivals gear up for debates Rubio: End of Obama's term could be 'most damaging yet' MORE places third, with 17 percent support, followed by John Kasich, with 9 percent support, Jeb Bush, with 8 percent, and Ben Carson, with 7 percent.
Trump is up 8 points since a November iteration of the poll, while Cruz is up 10 points from that same span. Rubio is up 6 points.
Although Trump has expanded upon his lead, his favorability numbers among Republicans have dropped.
He is now seen favorably by 50 percent of Republicans, down from 58 percent in November, and unfavorably by 41 percent, up from 29 percent in the fall.
But strong anti-establishment sentiment appears to be driving the billionaire businessman’s popularity in the Palmetto State.
Fifty-four percent of respondents said they would prefer someone with no governmental experience, compared to 33 percent who favored a public servant.
“The overwhelmingly negative feelings of South Carolina Republicans toward the political establishment have helped Trump build upon the support he enjoyed since summer,” said Patrick Murray, director of the Monmouth University Polling Institute.
Only 42 percent of voters said they are completely decided on which candidate to support before the Feb. 20 primary. But 57 percent of those backing Trump said they are locked in on the real-estate mogul.
The Monmouth University poll surveyed 400 likely Republican voters Feb. 14–16 and had a margin of error of 4.9 percent.