Poll: Trump leads Rubio by 18 points nationwide post-debate
© Greg Nash

Donald TrumpDonald TrumpDemocrats target Trump's border wall in defense bill debate Obama ethics czar: Trump fundraiser at his DC hotel ‘illegal’ Trump trolling of Comey — Not presidential MORE leads Sen. Marco RubioMarco RubioCapitol Police arrest 40 during healthcare protests New Alexandra Pelosi documentary brings together GOP, Dem members Senators urge Trump to do right thing with arms sales to Taiwan MORE (R-Fla.) by 18 points nationwide after the tenth GOP presidential debate, according to a new survey.

Trump roars past Rubio with 39 percent to 21 percent, according to the NBC News/Survey Monkey poll released Friday.

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Sen. Ted CruzTed CruzKoch-backed group launches new ads on tax reform Healthcare wish lists: What moderates, conservatives want Overnight Healthcare: GOP infighting erupts over bill | How Republican governors could bring down ObamaCare repeal | Schumer asks Trump to meet with Dems MORE (R-Texas) ranks third with 19 percent, while retired neurosurgeon Ben Carson and Gov. John Kasich (R-Ohio) tie for last with 8 percent apiece.

NBC News/Survey Monkey conducted its latest sampling of 6,433 registered voters via online interviews on Feb. 24-25. It has a 1.9 percent margin of error.

The contest in Houston Thursday evening marked Trump’s final confrontation with his four remaining GOP presidential primary rivals before Super Tuesday, the biggest day of the Republican nominating battle so far.

Trump leads the Republican field by roughly 13 percent before ballots are cast next week, according to the latest RealClearPolitics average of polls.