2026 Senate

South Dakota Senate average

Bengs vs. Rounds. Bengs leads by 2.1 points in the OnPoint average of 5 public polls, weighted by recency, sample size, voter screen and pollster grade.

5 pollsUpdated Sep 28, 2026Public JSON

Voter sample

Average over time

Each dot is one poll

SpreadMargin over time

Trend lines

LOWESS, each poll counts once

All polls

5 of 5


OnPoint average	Sep 28, 2026	5 polls	46.1	44.0	Bengs+2.1
Zenith Research for Bengs (I)NR	Sep 28, 26	600RV	38	44	Rounds+6.0
Public Policy Polling (D)D-	Sep 9, 26	629RV	42	45	Rounds+3.0
Lake Research Partners (D)NR	Aug 30, 26	500LV	51	44	Bengs+7.0
Impact Research (D)NR	Aug 17, 26	500LV	44	44	Even
Public Opinion Strategies (R)NR	Jul 9, 26	500LV	33	56	Rounds+23.0

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