South Dakota polls

Every 2026 South Dakota race with polling: the average, the latest polls and, after the election, how far off they were.

Races with polls
Race	Polls	Average (D−R)	Result
Senate	7	–	–
Governor	4	R+15.3	–
SD-AL	1	R+28.0	–

South Dakota Senate

Average: Mike Rounds 50.7% · Brian Bengs 40.9%

Recent polls
Ended	Pollster	Result	Sample
Oct 26	Concord Public Opinion Partners	Brian Bengs 43, Mike Rounds 41	448
Oct 20	Emerson College	Mike Rounds 50, Brian Bengs 42	803
Oct 19	Quantus Insights	Mike Rounds 59, Brian Bengs 37	657
Oct 16	Public Opinion Strategies	Mike Rounds 54, Brian Bengs 37	500
Oct 14	Mason-Dixon	Mike Rounds 56, Brian Bengs 37	500
Oct 8	Concord Public Opinion Partners	Brian Bengs 43, Mike Rounds 42	400
Sep 27	Zenith Research	Mike Rounds 53, Brian Bengs 47	500
Sep 9	Public Policy Polling	Mike Rounds 45, Brian Bengs 42	629
Aug 30	Lake Research Partners	Brian Bengs 51, Mike Rounds 41	500
Aug 17	Impact Research	Mike Rounds 44, Brian Bengs 44	500

Average: Larry Rhoden 53.0% · Dan Ahlers 40.0% · Daniel P. Ahlers 36.8%

Recent polls
Ended	Pollster	Result	Sample
Oct 26	Concord Public Opinion Partners	Larry Rhoden 48, Dan Ahlers 39	448
Oct 20	Emerson College	Larry Rhoden 60, Dan Ahlers 41	803
Oct 14	Mason-Dixon Polling & Research, Inc.	Larry Rhoden 56, Daniel P. Ahlers 36	500
Oct 8	Concord Public Opinion Partners	Larry Rhoden 48, Daniel P. Ahlers 38	400
Aug 30	Lake Research Partners	Larry Rhoden 51, Daniel P. Ahlers 44	500
May 20	Meeting Street Research	Larry Rhoden 23, Toby Doeden 22, Jon Hansen 21	450
May 19	Emerson College	Toby Doeden 26, Dusty Johnson 23, Larry Rhoden 19	432
Apr 11	Mason-Dixon Polling & Research, Inc.	Dusty Johnson 34, Jon Hansen 18, Larry Rhoden 17	500
Mar 9	Emerson College	Dusty Johnson 28, Toby Doeden 18, Larry Rhoden 17	413
Mar 5	Public Opinion Strategies	Dusty Johnson 33, Larry Rhoden 28, Toby Doeden 16	400

Polls: VoteHub and The New York Times. Average: Polling Desk. Results: civicAPI.