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2026 elections

South Dakota

3 races on the Nov. 3, 2026, ballot covered here. Pick a race for its candidates and the money behind each.

Filter South Dakota in the explorer →

U.S. Senate

U.S. SenateSouth Dakota Senate

Brian L. Bengs (I), Mike Rounds (R)

Campaigns raised $4M; outside groups spent $1.6M.

Solid Republican

Governor

GovernorSouth Dakota Governor

Dan Ahlers (D), Larry Rhoden (R)

Solid R

U.S. House

U.S. HouseSD at-large

Nikki Gronli (D), Marty J. Jackley (R)

Campaigns raised $2.1M; outside groups spent $211K.

Who represents South Dakota now

  • John ThuneSenator · Republican
  • Mike RoundsSenator · Republican · running in South Dakota Senate
  • Dusty JohnsonDistrict at-large · Republican

How they voted, by issue →

Current members from the @unitedstates congress-legislators project (bioguide IDs used to match roll calls).

Ballot measures

  • Constitutional Amendment I: Amendment conditioning expanded Medicaid on federal funding staying at 90 percentConstitutional amendment referred by the legislature
  • Constitutional Amendment J: Amendment stating that a person who is not a United States citizen is disqualified from votingConstitutional amendment referred by the legislature
  • Constitutional Amendment K: Amendment establishing the trust for unclaimed property fundConstitutional amendment referred by the legislature
  • Constitutional Amendment L: Amendment requiring 60 percent approval for future constitutional amendmentsConstitutional amendment referred by the legislature

Reported: list from the state’s published ballot. State source