SD
South Dakota elections
South Dakota has 3 races with live prediction-market odds in 2026, 30 days before Election Day (November 3). Senate: Mike Rounds (R) 93%; Governor: Larry Rhoden (R) 97%; SD-AL House: Marty Jackley (R) 96%.
2026 races
| Race | Favorite | Rating | Traded |
|---|---|---|---|
| Senate | Mike Rounds (R) 93% | Safe R | $278K |
| Governor | Larry Rhoden (R) 97% | Safe R | $36K |
| SD-AL House | Marty Jackley (R) 96% | Safe R | $38K |
2028 races
| Race | Favorite | Rating | Traded |
|---|---|---|---|
| Senate | the Republican 94% | Safe R | $742 |
Key dates
- Election Day 2026Tue, Nov 3, 2026
How to vote in South Dakota, and how it has voted → · The full election calendar →
Ballot measures
- Amendment J (2026)94% pass
- Banning noncitizens from voting (2026)98% pass
- Amendment L (2026)17% pass
- Amendment I (2026)20% pass
- Amendment K (2026)81% pass
The chance each measure passes, from Kalshi and Polymarket.
Campaign money in 2026
- Senate candidates raised
- $4.2M
- House candidates raised
- $3.7M
- Outside spending
- $1.6M
Every federal candidate running in South Dakota, from FEC filings. Each race page breaks it down by candidate.
Candidates
Other South Dakota markets
- South Dakota Senate Election Margin of VictoryRepublican 10-15% 30%
- South Dakota Senate margin of victoryRounds, 15+ pts 60%
- South Dakota Governor Election Margin of VictoryRepublican 20-25% 31%
- South Dakota Senate Election: Turnout375K-400K 33%
- South Dakota passes ballot measure banning noncitizens from voting?98%
- South Dakota Attorney General winner?Lance Russell 98%
- South Dakota Governor election: Larry Rhoden vote percentAt least 52% 95%
- Which ballot measures will pass in South Dakota?Amendment J 94%
- South Dakota Governor election: Dan Ahlers vote percentAt least 30% 94%
- South Dakota Governor margin of victoryRhoden, 12+ pts 87%
- South Dakota margin of victoryJackley, 10+ pts 90%
- South Dakota Senate election: Brian Bengs vote percentAt least 34% 97%
Odds from Kalshi and Polymarket, collected every 10 minutes; campaign money from the FEC, daily. Research, not betting advice.
