SD-AL: every poll
The SD-AL forecast · All polls
Polls on record as of October 29, 2026, 10:39 p.m. Pacific Daylight Time (05:39 UTC).
R+28
simple average, 30 days to the newest poll
2
polls
| Dates | Pollster | Sample | Result | Margin | Checked |
|---|---|---|---|---|---|
| Oct 12–14, 2026 | Mason-Dixon Polling & Strategy for South Dakota News Watch and the University of South Dakota | 500 LV | Jackley 60 (R) · Gronli 32 (D) | R+28 | Checked release |
| Aug 26–30, 2026 | Lake Research Partners for Gronli's campaign partisan sponsor | — | Jackley 47 (R) · Gronli 43 (D) | R+4 | Not checked yet release |