2020 United States Senate election in South Dakota

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.

Republican primary

Candidates

Nominee

• Mike Rounds, incumbent U.S. senator

Eliminated in primary

• Scyller Borglum, state representative

Results

Democratic primary

Candidates

Nominee

• Daniel Ahlers, former state representative and former state senator

Did not qualify

• Clara Hart, board member of the Sioux Falls Arts Council

Declined

• Erin Healy, state representative
• Brendan Johnson, former United States Attorney for the District of South Dakota
• Billie Sutton, former minority leader of the South Dakota Senate and nominee for Governor of South Dakota in 2018
• Susan Wismer, state senator and Democratic nominee for Governor of South Dakota in 2014

Independents

Candidates

Withdrew

• Clayton Walker, independent candidate in the 2014 United States Senate election in South Dakota and Democratic candidate in the 2010 South Dakota House of Representatives elections

General election

Predictions

Polling

Results

Notes

References

External links

• Government Documents Round Table of the American Library Association, "South Dakota", Voting & Elections Toolkits
• "South Dakota: Election Tools, Deadlines, Dates, Rules, and Links", Vote.org, Oakland, CA
• "League of Women Voters of South Dakota". (State affiliate of the U.S. League of Women Voters)
• South Dakota at Ballotpedia

Official campaign websites

• Daniel Ahlers (D) for Senate
• Mike Rounds (R) for Senate
• Clayton Walker (I) for Senate Archived June 30, 2020, at the Wayback Machine