2026 polls
The newest poll in each race, as the pollster published it. We do not adjust or rate polls.
Filter · US Senate, South Dakota
4 polls · South Dakota
Back to newest in each raceShowing 1 to 4, newest first.
| Field dates | Race | Pollster | Sample | Results |
|---|---|---|---|---|
| Oct 22 to Oct 26, 2026 | South Dakota US Senate | Concord Public Opinion Partners Partisan sponsor: Democratic | 448 Likely voters |
|
| Oct 19 to Oct 21, 2026 | South Dakota US Senate | Emerson College | 803 Likely voters |
|
| Oct 17 to Oct 19, 2026 | South Dakota US Senate | Quantus Insights | 657 Likely voters |
|
| Oct 12 to Oct 14, 2026 | South Dakota US Senate | Mason-Dixon | 500 Likely voters |
|
- 43%Brian Bengs
- 41%Mike RoundsIncumbent
Concord Public Opinion Partners · Oct 22 to Oct 26, 2026 · 448 likely voters · Partisan sponsor: Democratic
- 50%Mike RoundsIncumbent
- 42%Brian Bengs
Emerson College · Oct 19 to Oct 21, 2026 · 803 likely voters
- 57%Mike RoundsIncumbent
- 37%Brian Bengs
Quantus Insights · Oct 17 to Oct 19, 2026 · 657 likely voters
- 56%Mike RoundsIncumbent
- 37%Brian Bengs
Mason-Dixon · Oct 12 to Oct 14, 2026 · 500 likely voters
Source and license
Polling data from VoteHub (https://votehub.com/polls/api/), licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Records reformatted by Election Wrld.
“Incumbent” marks a name that exactly matches the current holder of that seat in our officials files. Some polls were fielded in 2025. Last poll added to our copy: October 30, 2026. The polls API returns the same rows as JSON, or as CSV with ?format=csv.