U.S. SenateMost votes wins
U.S. Senate
South Dakota
Candidates are not in our data yet.
- United States
- South Dakota
2026 elections
South Dakota
Mount Rushmore- NationUnited States
StateSouth Dakota
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No match.
- CountyNo county races in our data yet
- LocalCity, school or district
On the ballot
- Races in our data
- 6
- With named candidates
- 0
- House seat
- 1
- President 2024
- Trump +29.2
By office
Statewide ballot measures
Legislative Constitutional Amendment
Constitutional Amendment I
South Dakota
Medicaid expansion federal funding
Yes–No–
Legislative Constitutional Amendment
Constitutional Amendment J
South Dakota
Voter citizenship eligibility
Yes–No–
Legislative Constitutional Amendment
Constitutional Amendment K
South Dakota
Unclaimed property trust
Yes–No–
Legislative Constitutional Amendment
Constitutional Amendment L
South Dakota
Constitutional amendment supermajority
Yes–No–
Sources3
Who runs the election
Elections here are run locally: 66 × County auditor.
- Aurora · County auditor
- Beadle · County auditor
- Bennett · County auditor
- Bon Homme · County auditor
- Brookings · County auditor
- Brown · County auditor
- Brule · County auditor
- Buffalo · County auditor
- Butte · County auditor
- Campbell · County auditor
- Charles Mix · County auditor
- Clark · County auditor
- Clay · County auditor
- Codington · County auditor
- Corson · County auditor
- Custer · County auditor
- Davison · County auditor
- Day · County auditor
- Deuel · County auditor
- Dewey · County auditor
- Douglas · County auditor
- Edmunds · County auditor
- Fall River · County auditor
- Faulk · County auditor
- Grant · County auditor
- Gregory · County auditor
- Haakon · County auditor
- Hamlin · County auditor
- Hand · County auditor
- Hanson · County auditor
- Harding · County auditor
- Hughes · County auditor
- Hutchinson · County auditor
- Hyde · County auditor
- Jackson · County auditor
- Jerauld · County auditor
- Jones · County auditor
- Kingsbury · County auditor
- Lake · County auditor
- Lawrence · County auditor
- Lincoln · County auditor
- Lyman · County auditor
- Marshall · County auditor
- McCook · County auditor
- McPherson · County auditor
- Meade · County auditor
- Mellette · County auditor
- Miner · County auditor
- Minnehaha · County auditor
- Moody · County auditor
- Oglala Lakota · County auditor
- Pennington · County auditor
- Perkins · County auditor
- Potter · County auditor
- Roberts · County auditor
- Sanborn · County auditor
- Spink · County auditor
- Stanley · County auditor
- Sully · County auditor
- Todd · County auditor
- Tripp · County auditor
- Turner · County auditor
- Union · County auditor
- Walworth · County auditor
- Yankton · County auditor
- Ziebach · County auditor
Sources6
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- PRPuerto Rico
- RIRhode Island
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- SDSouth Dakota
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Questions and answers
When is the 2026 election in South Dakota?
Election Day is Tuesday, November 3, 2026. Polls close at different times in each state; results appear here as each election office publishes its official returns.
What is on the ballot in South Dakota in 2026?
Our data list 6 races in South Dakota: U.S. Senate (1), U.S. House (1), Ballot measure (4). Each has its own page with the candidates and, on election night, the results.
Is there a U.S. Senate race in South Dakota in 2026?
Yes. U.S. Senate: held now by Mike Rounds
How many U.S. House seats does South Dakota have?
1. Every seat is on the ballot on November 3, 2026; Democrats hold 0 and Republicans hold 1 now.
When will South Dakota results be posted?
On election night, as each county and state election office publishes its returns. Until a race reports, it shows as not reported, never as zero; results stay unofficial until they are certified.