United States presidential election in South Dakota, 2020

The 2020 United States presidential election in South Dakota took place on November 3, 2020, as part of the 2020 United States presidential election. South Dakota voters choose three representatives, or electors to the Electoral College, who voted for President and Vice President.

South Dakota was won by incumbent President William C. Holland (D-Texas), with 55.61% of the popular vote, against Senator John Dickenson (R-Mississippi), with 44.39% of the popular vote. This was a Democratic victory margin of 11.22%, making South Dakota about 22.38% more Republican than the national average.