The South Dakota Senate race is the state's headline race, rated Solid R by Cook Political Report.
Every seat in the delegation below, in district order. A colored band across the top of a cell means a rater has made a claim about that race. A cell with no band is a settled seat, tinted by its 2024 presidential margin, which is a measured past result and not a 2026 forecast.
All 1 South Dakota House seat carry a rating.
South Dakota races rated Toss-Up
0of 2No South Dakota race is a Toss-Up this cycle.
South Dakota races no rater covers
0of 2Every South Dakota race carries a rating this cycle.
How a cell is encoded, and on what evidence
Rater judgment A handicapper's published claim about a specific race.
- Solid R, band
Ratings drawn from Cook Political Report and Sabato’s Crystal Ball , current as of September 3, 2026. Settled seats are tinted by their 2024 presidential-vote baseline as of August 10, 2026, sourced from The Downballot, and carry no band, because a baseline is a measured past result and never a rating. Fundraising figures from FEC filings, as of June 30, 2026.
Fig. 2
What the delegation says
The South Dakota Senate race is the state's headline race, rated Solid R by Cook Political Report.
How to vote in South Dakota
- Register to vote in South Dakota (vote.gov)
- Polling places and election dates · South Dakota’s official election page
Registration deadlines, ID rules, and early-voting dates vary by state and by election. Thin Gold does not track these facts directly; the links above go straight to the authorities that do. Link set checked August 13, 2026.
The full South Dakota delegation, all 2 races Open the table · 2 rows
| Race | Rating | Candidates | Raised (D / R) |
|---|---|---|---|
| South Dakota Senate | Mike Rounds (R) | $228.3K / $2.7M | |
| South Dakota At-Large District | Candidates TBD | $292.9K / $3.4M |