Elections
South Dakota sends 3 members to Congress.
- general election, 34 days away
- November 3
- candidates have filed for Congress in South Dakota
- 9
U.S. Senate2 seats
2 Republican
U.S. House1 seats
1 Republican
State Senate35 seats
32 Republican3 Democratic
State House70 seats
65 Republican5 Democratic
South Dakota in Congress
Who holds each seat this term.
| Senate | Republican | |
| Senate | Republican | |
| House, at large | Republican |
A roster is not a certified count, and a filing is not a place on the ballot.
Who has filed for 2026: all 2 races
A filing is not a place on the ballot; the state decides who is printed.
| U.S. Senate |
| Yes | 0 |
| U.S. House, at large |
| Yes | 4 |
Past results for South Dakota
| Donald J. Trump | Republican | 272,081 | 63.4% |
| Kamala D. Harris | Democratic | 146,859 | 34.2% |
| Robert F. Kennedy Jr | Other | 7,204 | 1.7% |
| Chase Oliver | Libertarian | 2,778 | 0.7% |
| John R Thune | Republican | 242,316 | 69.6% |
| Brian L Bengs | Democratic | 91,007 | 26.2% |
| Tamara J Lesnar | Libertarian | 14,697 | 4.2% |
| Mike Rounds | Republican | 276,232 | 65.7% |
| Dan Ahlers | Democratic | 143,987 | 34.3% |
| John R. Thune | Republican | 265,516 | 71.8% |
| Jay Williams | Democratic | 104,140 | 28.2% |
Election result files
Source files by state and year. They can overlap, so never add rows across files, and they do not certify winners.