Poll: Trump approval dips among Republicans

President TrumpDonald TrumpJudge rules Alaska governor unlawfully fired lawyer who criticized Trump Giuliani led fake electors plot: CNN Giuliani associate sentenced to a year in prison in campaign finance case MORE’s approval rating dipped slightly among Republican voters, though is relatively steady among voters overall, according to the latest Hill-HarrisX poll released Friday.

The nationwide survey shows 83 percent of GOP voters saying they approve of the president’s job performance, marking a 2-point drop from an identical poll conducted Aug. 18-20.

Trump’s overall approval rating remains steady, ticking up 1 percentage point from the previous poll to 47 percent, while 53 percent disapprove.

The president's approval rating rose 3 points among independent voters compared to the previous poll; he now is supported by 46 percent of independents in the poll.

Former South Carolina Gov. Mark SanfordMark SanfordBritain checking gun license applicants' social media, medical records Mark Sanford calls Graham 'a canary in the coalmine' on GOP's relationship with Trump Top cyber Pentagon official overseeing defense contractor project placed on leave MORE (R) last week became the third Republican to launch a bid to challenge Trump for the GOP's presidential nomination in 2020.

He joins former Massachusetts Gov. Bill WeldWilliam (Bill) WeldMassachusetts Gov. Charlie Baker won't seek reelection Youngkin should blaze a post-Trump trail for the GOP The Memo: What now for anti-Trump Republicans? MORE (R) and former Rep. Joe WalshJoe WalshThe Memo: Never Trumpers sink into gloom as Gonzalez bows out The Memo: 'Hillbilly Elegy' author binds himself to Trump after past criticism Joe Walsh says radio show canceled due to Trump criticism MORE (R-Ill.) in announcing a primary campaign against Trump, who remains widely popular in the party.

Sanford insisted Wednesday that his presidential bid isn’t about hurting Trump’s chances for reelection, but rather about improving the ideas of the Republican Party as a whole.

All three challengers face an uphill battle in seeking to take on Trump. Some states, including South Carolina and Nevada, have moved to cancel their primary elections recently.

The Hill-HarrisX survey was conducted online among 1,000 registered voters between Sept. 11-12 with a margin of error of plus or minus 3.1 percentage points.

—Tess Bonn