South Dakota Elections 2026
What is on the South Dakota ballot on November 3, 2026: U.S. Senate, governor, 1 U.S. House seat, statewide offices, 4 ballot measures.
Status: upcoming. Election day is November 3, 2026.
Senate and governor
| Race | Status | Rating | Candidates |
|---|---|---|---|
| South Dakota | Mike Rounds (R) is running | Solid R | Brian Bengs (I), Mike Rounds (R) |
| South Dakota | Larry Rhoden (R) is running | Solid R | Dan Ahlers (D), Larry Rhoden (R) |
U.S. House
Statewide offices
| Office | Status | Candidates |
|---|---|---|
| Attorney general | Open: Marty Jackley (R) is running for the U.S. House | Lance Russell (R) |
| Secretary of state | Open: Monae Johnson (R) is not running | Heather Baxter (R), Terrence Davis (D) |
| Treasurer | Open: Josh Haeder (R) is not running | Melissa Hull (R), Margaret Kuipers (D) |
| Auditor | Open: Rich Sattgast (R) is not running | Catherine Barranco (R), Tom Cool (D) |
State legislature
- Senate: 35 of 35 seats up; currently Republican control
- House: 70 of 70 seats up; currently Republican control
Ballot measures
Amendment I: Medicaid expansion and federal funding
Would end the state's obligation to fund Medicaid expansion if the federal share falls below 90%.
A yes vote approves the change described above. A no vote rejects it and keeps current law.
Amendment J: Citizenship requirement for voting
Would limit voting in state and local elections to U.S. citizens.
A yes vote approves the change described above. A no vote rejects it and keeps current law.
Amendment K: Unclaimed property trust fund
Would create a trust fund for unclaimed property.
A yes vote approves the change described above. A no vote rejects it and keeps current law.
Amendment L: 60% vote for constitutional amendments
Would require 60% voter approval for constitutional amendments.
A yes vote approves the change described above. A no vote rejects it and keeps current law.
Mayors
2 current mayors verified in our research. Being mayor now does not mean running in the next election.
| City or town | Mayor | Next mayoral election |
|---|---|---|
| Rapid City | Jason Salamun | |
| Sioux Falls | Christine Erickson |
Open the South Dakota mayor directory
Sources
- 2026 United States House of Representatives elections (Wikipedia)
- The Green Papers: 2026 general election by state
- Cook Political Report House ratings (Oct. 9, 2026)
- Ballotpedia: congressional candidates, 2026
- 2026 United States Senate elections (Wikipedia)
- 2026 United States gubernatorial elections (Wikipedia)
Statewide offices and measures checked October 12, 2026; federal races updated October 24, 2026.