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2026 South Dakota Senate race
Incumbent renominated · Lean R+15 · Election Nov 3, 2026
The 2026 South Dakota Senate race (partisan lean R+15): Mike Rounds (R), Brian Bengs (I). Raised so far: Mike Rounds (R) $3.7M, Brian Bengs (I) $1.7M. Outside groups have spent $1.7M.
- Raised by candidates
- $5.3M
- Outside spending
- $1.7M
- Partisan lean
- R+15
Candidates
- Mike Rounds · Republican · IncumbentRaised $3.7M · $1.7M cash
- Brian Bengs · IndependentRaised $1.7M · $146K cash
Outside groups spending
- SOUTH DAKOTA CONSERVATIVE PAC opposing Brian Bengs$550K
- DEFEND AMERICAN JOBS supporting Mike Rounds$412K
- Freedom from Politics opposing Mike Rounds$294K
- AMERICAN MISSION supporting Mike Rounds$230K
- SOUTH DAKOTA CONSERVATIVE PAC supporting Mike Rounds$175K
More
From FEC candidate summaries and independent expenditure reports.
Cite or embed this page
Capitol Receipts, “2026 South Dakota Senate Race: Candidates & Money,” https://www.capitolreceipts.com/race/S-SD/2026-south-dakota-senate-race (accessed 2026-10-17).