2020 United States Senate election in South Dakota

2020 United States Senate election in South Dakota

← 2014 November 3, 2020 2026 →
 
Nominee Mike Rounds Dan Ahlers
Party Republican Democratic
Popular vote 276,232 143,987
Percentage 65.74% 34.26%

Rounds:      50–60%      60–70%      70–80%      80–90%      >90%
Ahlers:      50–60%      60–70%      70–80%      80–90%      >90%

U.S. senator before election

Mike Rounds
Republican

Elected U.S. Senator

Mike Rounds
Republican

The 2020 United States Senate election in South Dakota was held on November 3, 2020, to elect a member of the United States Senate to represent the State of South Dakota, concurrently with the 2020 U.S. presidential election, as well as other elections to the United States Senate, elections to the United States House of Representatives and various state and local elections. Incumbent Republican Senator Mike Rounds was reelected to a second term in office, overperforming Donald Trump in the concurrent presidential election by 4.93 points.