South Dakota 2026 SENATE POLLS

Mike Rounds

REPUBLICAN

US Senate (R-SD)

2015 – Present

2026 South Dakota Senate Polls:

Aggregate of all polls released for South Dakota's Senate election between Democrat Julian Beaudion and Republican Mike Rounds. This page will update the moment new polls are released, including the polling average, projected margin, and survey details.

Year: 2026
Race: Senate
State: South Dakota
Democratic candidate: Julian Beaudion
Republican candidate: Mike Rounds
Incumbent / open seat: Mike Rounds
Polling average: 30.7% D / 54.9% R
Polling average margin: R +24.1
Last updated: 12:00 AM on July 2, 2026
Polls included: 2
Latest poll: Public Policy Polling (D) — May 30, 2026