2026 United States Senate election in South Dakota
Election date
32days to go
Government
Larry Rhoden
Governor of South Dakota
South Dakota polling average: Rounds (R) 49.0% · Bengs (I) 44.5%Mean of the polls published in the 21 days to 30 Sept 2026.
Polling trend
Each point is one published poll; lines are the 21-day average of all polls. Hover or tap for institute and date.
What the polls say
Rounds (R) leads the polling average in South Dakota on 49.0%, 4.5 points ahead of Bengs (I) (44.5%). The biggest shift over the past month is Rounds (R), up 5.0 points.
2 polls from 2 institutes were published in the last 30 days of polling. The most recent is from Zenith Research, published 30 Sept 2026. The average weighs every poll equally over 21 days; read how it works.