Ballotpedia compared the performance of Joe Biden (D) and Donald Trump (R) in the 2020 presidential election to Democratic and Republican Senate candidates in each state.
Thirty-five U.S. Senate elections were held in the general election. Biden outperformed Chris Janicek (D) in Nebraska, Sara Gideon (D) in Maine, and the cumulative vote total for Democratic Senate candidates in Louisiana by the largest margins with a percentage difference of 27.0%, 22.5%, and 15.8%, respectively.
Biden underperformed Steve Bullock (D) in Montana, Doug Jones (D) in Alabama, and Mike Espy (D) in Mississippi by the largest margins with a percentage difference of 10.7%, 8.0%, and 7.0%, respectively.
The following map shows the percentage difference between Biden and Democratic Senate candidates in all states that held Senate elections. Positive numbers indicate Biden overperformed. Negative numbers indicate Biden underperformed.
Trump outperformed Allen Water (R) in Rhode Island, Bryant Messer (R) in New Hampshire, and Lauren Witzke (R) in Delaware, by the largest margins with a percentage difference of 19.2%, 11.4%, and 7.5%, respectively.
Trump underperformed Susan Collins (R) in Maine, Mike Rounds (R) in South Dakota, and Ben Sasse (R) in Nebraska, by the largest margins with a percentage difference of 14.6%, 5.7%, and 4.7%, respectively.
The following map shows the percentage difference between Trump and Republican Senate candidates in all states that held Senate elections. Positive numbers indicate Biden overperformed. Negative numbers indicate Biden underperformed.
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