Poll: Trump approval dips among Republicans

President TrumpDonald John TrumpZuckerberg launches public defense of Facebook as attacks mount Trump leaning toward keeping a couple hundred troops in eastern Syria: report Warren says making Israel aid conditional on settlement building is 'on the table' 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 SanfordMarshall (Mark) Clement SanfordTrump accuses media, Democrats of going 'crazy' over G-7 at his Miami resort GOP presidential challengers condemn decision to host G-7 at Trump resort One person shows up to Trump challenger Mark Sanford's formal 2020 campaign kickoff 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) WeldTrump accuses media, Democrats of going 'crazy' over G-7 at his Miami resort GOP presidential challengers condemn decision to host G-7 at Trump resort One person shows up to Trump challenger Mark Sanford's formal 2020 campaign kickoff MORE (R) and former Rep. Joe WalshJoe WalshGOP presidential challengers condemn decision to host G-7 at Trump resort One person shows up to Trump challenger Mark Sanford's formal 2020 campaign kickoff George Conway accuses Trump of being a 'sociopath' 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