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Back to US Midterm Tracker 2026

South Dakota

Search for a House district or browse races by office.

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U.S. House

At-large district

Win probability
  • DNicole "Nikki" Gronli5.1%
  • RMarty J. Jackley94.9%
Details & rationale →

South Dakota · Race details

At-large district

Forecast as of Oct 2, 2026 UTC

Win probabilities

  • DNicole "Nikki" GronliDemocratic5.1%
  • RMarty J. JackleyRepublican94.9%

Race rationale

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Candidate sources & notes

Source-listed candidates retrieved 28 September 2026; not an official certification or completeness claim.

Candidate source 1 (opens in a new tab)Candidate source 2 (opens in a new tab)