Bernie Sanders Bernie SandersJacobin editor: Primarying Schumer would force him to fight Trump's SCOTUS nominee Trump campaign plays up Biden's skills ahead of Cleveland debate: 'He's actually quite good' Young voters backing Biden by 2:1 margin: poll MORE (I-Vt.) continues to hold the title as the nation’s most popular senator, according to the latest Morning Consult poll.

Sanders’s 71 percent approval rating among home state voters is the highest out of any senator, but slightly less than his 75 percent approval rating in July’s poll.

According to the survey, approval ratings for nearly all senators have gone down during the third quarter, when Republicans failed to repeal ObamaCare.

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The least popular senator was Mitch McConnell Addison (Mitch) Mitchell McConnellGraham: GOP will confirm Trump's Supreme Court nominee before the election Trump puts Supreme Court fight at center of Ohio rally The Memo: Dems face balancing act on SCOTUS fight MORE (R-Ky.), with 55 percent disapproval, which was worse than in July, when he topped the least popular ranking with 48 percent disapproval. Only 33 percent of Kentuckians polled said they approved of the job McConnell was doing.

Jeff Flake Jeffrey (Jeff) Lane FlakeJeff Flake: Republicans 'should hold the same position' on SCOTUS vacancy as 2016 Republican former Michigan governor says he's voting for Biden Maybe they just don't like cowboys: The president is successful, some just don't like his style MORE (R-Ariz.) shot up to second on the “least popular” list, coming in behind McConnell with 48 percent disapproval. Flake recently announced that he would not run for reelection, with an impassioned speech slamming President Trump.

The poll was compiled from 255,120 registered voters in 50 states from July 1 to Sept. 30.