2026 Senate
South Dakota Senate average
Bengs vs. Rounds. Rounds leads by 5.0 points in the OnPoint average of 4 public polls, weighted by recency, sample size, voter screen and pollster grade.
Voter sample
Average over time
Each dot is one pollSpreadMargin over time
Trend lines
LOWESS, each poll counts onceAll polls
4 of 4| OnPoint average | Sep 28, 2026 | 4 polls | 39.1 | 44.1 | Rounds+5.0 |
| 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 |
| 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 |
Every 2026 Senate average
Click a stateBuilding state averages