Sens. Bernie Sanders Bernie SandersOutrage erupts over Breonna Taylor grand jury ruling Dimon: Wealth tax 'almost impossible to do' Grand jury charges no officers in Breonna Taylor death MORE (I-Vt.) and Amy Klobuchar Amy KlobucharSocial media platforms put muscle into National Voter Registration Day Battle lines drawn on precedent in Supreme Court fight Sunday shows - Ruth Bader Ginsburg's death dominates MORE (D-Minn.) are the only 2020 presidential contenders among the 10 most popular U.S. senators, according to a Morning Consult poll.

Sanders is the most popular senator, with 62 percent approval compared with 31 percent disapproval, according to the poll, while Klobuchar is the third most popular with 58 percent approval and 26 percent disapproval.

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The top five are rounded out by Sen. Patrick Leahy Patrick Joseph LeahyDemocrats shoot down talk of expanding Supreme Court Battle over timing complicates Democratic shutdown strategy Hillicon Valley: Russia 'amplifying' concerns around mail-in voting to undermine election | Facebook and Twitter take steps to limit Trump remarks on voting | Facebook to block political ads ahead of election MORE (D-Vt.) at number two, with 59 percent approval and 28 percent disapproval; Sen. Angus King Angus KingGovernment watchdog recommends creation of White House cyber director position Democrats step up hardball tactics as Supreme Court fight heats up Shakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' MORE (I-Maine) at 58 percent approval to 29 percent disapproval; and Sen. John Barrasso John Anthony BarrassoThe conservative case for phasing out hydrofluorocarbons GOP senator attacks Biden: 'I'm not sure what he recalls' Oil and gas is a partner — not an adversary — in meeting our economic and environmental goals MORE (R-Wyo.) at 56 percent approval to 26 percent disapproval.

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.) is the senator with the highest disapproval rating, with 50 percent disapproval to 36 percent approval, and also the only one among the least popular senators with disapproval ratings of at least 50 percent. Sen. Bob Menendez Robert (Bob) MenendezKasie Hunt to host lead-in show for MSNBC's 'Morning Joe' Senators ask for removal of tariffs on EU food, wine, spirits: report VOA visa decision could hobble Venezuela coverage MORE (D-N.J.), who won a third term in 2018 by 11 points despite being hit with federal corruption charges in 2015, has the second-highest disapproval rating. The Justice Department dropped the charges in January 2018 after a mistrial the previous November.

Menendez and McConnell were the only senators on the least-popular list with higher disapprovals than approvals. The five least popular were rounded out by Sen. Joe Manchin Joseph (Joe) ManchinManchin defends Supreme Court candidate Barrett: 'It's awful to bring in religion' The Hill's Morning Report - Sponsored by Facebook - Trump, GOP allies prepare for SCOTUS nomination this week Trump meets with potential Supreme Court pick Amy Coney Barrett at White House MORE (D-W.Va.) with 46 percent approval and 41 percent disapproval; Sen. Elizabeth Warren Elizabeth WarrenDimon: Wealth tax 'almost impossible to do' CNN's Don Lemon: 'Blow up the entire system' remark taken out of context Democrats shoot down talk of expanding Supreme Court MORE (D-Mass.), with 49 percent approval and 40 percent disapproval; and Sen. Chuck Grassley Charles (Chuck) Ernest GrassleyThe Hill's 12:30 Report: Ginsburg lies in repose Top GOP senators say Hunter Biden's work 'cast a shadow' over Obama Ukraine policy Read: Senate GOP's controversial Biden report MORE (R-Iowa), with 42 percent approval and 39 percent disapproval.

Morning Consult also found that Sen. Gary Peters Gary Charles PetersRead Democrats' report countering Republicans' Biden investigation Top GOP senators say Hunter Biden's work 'cast a shadow' over Obama Ukraine policy Biden's six best bets in 2016 Trump states MORE (D-Mich.) was the senator with the greatest portion of constituents who had not heard of him, at 43 percent. The pollster surveyed 472,802 voters from Jan. 31 to March 31. Morning Consult notes that the margin of error in the results differs for each senator.