South Dakota in Congress

Senators

• John ThuneRepublican, Senior Senator, Class 3, term ends January 3, 2029Voted on 123 of 123 roll calls
• Mike RoundsRepublican, Junior Senator, Class 2, term ends January 3, 2027Voted on 123 of 123 roll calls

Representatives

• Dusty JohnsonRepublican, At-Large DistrictVoted on 313 of 335 roll calls, missed 22

On the Ballot November 3, 2026

• The at-large House seat for South Dakota is on the ballot, as every House seat is every two years. The current House term ends January 3, 2027.
• The Senate seat held by Mike Rounds (Class 2) is on the ballot. The current term ends January 3, 2027.
• The Senate seat held by John Thune (Class 3) is not on the ballot; its current term ends January 3, 2029.

From each member's official term of office. Referandom does not list candidates, polls or forecasts. Every seat on the ballot in 2026 →

Recent Senate Votes

• September 30, 2026, On Cloture on the Motion to Proceed H.R. 9340, Roll Call 254H.R. 9340: Ratepayer Protection ActCloture on the Motion to Proceed Rejected, 57 to 43 (official record)
  • John Thune (R-SD) voted Yea on H.R. 9340, the Ratepayer Protection Act, on September 30, 2026 (Senate Roll Call 254).
  • Mike Rounds (R-SD) voted Yea on H.R. 9340, the Ratepayer Protection Act, on September 30, 2026 (Senate Roll Call 254).
• September 30, 2026, On Cloture on the Motion to Proceed H.R. 7008, Roll Call 253H.R. 7008: Stop Insider Trading ActCloture on the Motion to Proceed Rejected, 53 to 47 (official record)
  • John Thune (R-SD) voted Yea on H.R. 7008, the Stop Insider Trading Act, on September 30, 2026 (Senate Roll Call 253).
  • Mike Rounds (R-SD) voted Yea on H.R. 7008, the Stop Insider Trading Act, on September 30, 2026 (Senate Roll Call 253).
• September 29, 2026, On the Motion to Proceed S.J.Res. 197, Roll Call 251S.J.Res. 197: A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services of the Department of Health and Human Services relating to "Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program"Motion to Proceed Rejected, 48 to 51 (official record)
  • John Thune (R-SD) voted Nay on S.J.Res. 197 on September 29, 2026 (Senate Roll Call 251).
  • Mike Rounds (R-SD) voted Nay on S.J.Res. 197 on September 29, 2026 (Senate Roll Call 251).
• September 28, 2026, On Passage of the Bill S. 4668, Roll Call 250S. 4668: Protect College Sports Act of 2026Bill Passed, 77 to 22 (official record)
  • John Thune (R-SD) voted Yea on S. 4668, the Protect College Sports Act of 2026, on September 28, 2026 (Senate Roll Call 250).
  • Mike Rounds (R-SD) voted Yea on S. 4668, the Protect College Sports Act of 2026, on September 28, 2026 (Senate Roll Call 250).
• September 24, 2026, On the Concurrent Resolution H.Con.Res. 89, Roll Call 244H.Con.Res. 89: Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with IranConcurrent Resolution Rejected, 49 to 50 (official record)
  • John Thune (R-SD) voted Nay on H.Con.Res. 89 on September 24, 2026 (Senate Roll Call 244).
  • Mike Rounds (R-SD) voted Nay on H.Con.Res. 89 on September 24, 2026 (Senate Roll Call 244).
• September 15, 2026, On Cloture on the Motion to Proceed H.R. 3633, Roll Call 234H.R. 3633: Digital Asset Market Clarity ActCloture on the Motion to Proceed Rejected, 49 to 50 (official record)
  • John Thune (R-SD) voted Yea on H.R. 3633, the Digital Asset Market Clarity Act, on September 15, 2026 (Senate Roll Call 234).
  • Mike Rounds (R-SD) voted Yea on H.R. 3633, the Digital Asset Market Clarity Act, on September 15, 2026 (Senate Roll Call 234).
• August 8, 2026, On Cloture on the Motion to Proceed S. 5271, Roll Call 231S. 5271: A bill to amend the Help America Vote Act of 2002 to require voters to provide photo identificationCloture on the Motion to Proceed Rejected, 52 to 46 (official record)
  • John Thune (R-SD) voted Yea on S. 5271 on August 8, 2026 (Senate Roll Call 231).
  • Mike Rounds (R-SD) voted Yea on S. 5271 on August 8, 2026 (Senate Roll Call 231).
• August 8, 2026, On Passage of the Bill H.R. 6500, Roll Call 228H.R. 6500: Continuing Appropriations and Extensions Act, 2027Bill Passed, 90 to 6 (official record)
  • John Thune (R-SD) voted Yea on H.R. 6500, the Continuing Appropriations and Extensions Act, 2027, on August 8, 2026 (Senate Roll Call 228).
  • Mike Rounds (R-SD) voted Yea on H.R. 6500, the Continuing Appropriations and Extensions Act, 2027, on August 8, 2026 (Senate Roll Call 228).

Recent House Votes

• September 16, 2026, On Motion to Suspend the Rules and Pass, Roll Call 314S. 2403: Retire through Ownership ActPassed, 401 to 14 (official record)
  South Dakota Representatives: 1 Yea

  • Dusty Johnson (R-SD) voted Yea on S. 2403, the Retire through Ownership Act, on September 16, 2026 (House Roll Call 314).
• September 16, 2026, On Motion to Suspend the Rules and Pass, as Amended, Roll Call 313H.R. 9497: Water Resources Development Act of 2026Passed, 415 to 9 (official record)
  South Dakota Representatives: 1 Nay

  • Dusty Johnson (R-SD) voted Nay on H.R. 9497, the Water Resources Development Act of 2026, on September 16, 2026 (House Roll Call 313).
• September 16, 2026, On Passage, Roll Call 311H.J.Res. 213: Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule issued by the Environmental Protection Agency relating to the "California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision"Passed, 214 to 208 (official record)
  South Dakota Representatives: 1 Yea

  • Dusty Johnson (R-SD) voted Yea on H.J.Res. 213 on September 16, 2026 (House Roll Call 311).
• September 16, 2026, On Passage, Roll Call 310H.R. 10326: PROOF ActPassed, 217 to 207 (official record)
  South Dakota Representatives: 1 Yea

  • Dusty Johnson (R-SD) voted Yea on H.R. 10326, the PROOF Act, on September 16, 2026 (House Roll Call 310).
• September 16, 2026, On Passage, Roll Call 309H.R. 9576: National Fraud Enforcement Division Act of 2026Passed, 352 to 72 (official record)
  South Dakota Representatives: 1 Yea

  • Dusty Johnson (R-SD) voted Yea on H.R. 9576, the National Fraud Enforcement Division Act of 2026, on September 16, 2026 (House Roll Call 309).
• September 16, 2026, On Motion to Concur in the Senate Amendments, Roll Call 308H.R. 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026Passed, 262 to 159 (official record)
  South Dakota Representatives: 1 Yea

  • Dusty Johnson (R-SD) voted Yea on H.R. 5334, the Lindsey O. Graham Sanctioning Russia and Iran Act of 2026, on September 16, 2026 (House Roll Call 308).
• September 15, 2026, On Motion to Suspend the Rules and Pass, as Amended, Roll Call 312H.R. 9340: Ratepayer Protection ActPassed, 417 to 3 (official record)
  South Dakota Representatives: 1 Yea

  • Dusty Johnson (R-SD) voted Yea on H.R. 9340, the Ratepayer Protection Act, on September 15, 2026 (House Roll Call 312).
• September 15, 2026, On Agreeing to the Resolution, Roll Call 307H.Con.Res. 93: Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with IranPassed, 220 to 204 (official record)
  South Dakota Representatives: 1 Nay

  • Dusty Johnson (R-SD) voted Nay on H.Con.Res. 93 on September 15, 2026 (House Roll Call 307).

Became Law

2 measures sponsored by members from South Dakota became law in the 119th Congress.

• S. 723: Tribal Trust Land Homeownership Act of 2025John Thune (R), Public Law 119-88, May 4, 2026
• H.R. 165: Wounded Knee Massacre Memorial and Sacred Site ActDusty Johnson (R), Public Law 119-61, December 19, 2025

Recent Bills Sponsored

The newest of the 162 bills and resolutions introduced by members from South Dakota this Congress.

• S. 5639: Portal for Appraisal Licensing Act of 2026Mike Rounds (R), introduced September 30, 2026, In Committee
• S. 5629: Gene Murphy Veterans’ Bill of Rights Act of 2026Mike Rounds (R), introduced September 30, 2026, In Committee
• S.Res. 928: A resolution to authorize testimony, document production, and representation by the Senate Legal Counsel in the case of United States v. TerryJohn Thune (R), introduced September 29, 2026, Agreed To
• H.R. 10190: Pennington County Land Conveyance ActDusty Johnson (R), introduced August 31, 2026, In Committee
• S. 5375: ARCH ActMike Rounds (R), introduced August 7, 2026, In Committee
• S. 5373: USPS Executive Benefit and Bonus Removal ActMike Rounds (R), introduced August 7, 2026, In Committee
• S. 5359: Pennington County Land Conveyance ActJohn Thune (R), introduced August 7, 2026, Out of Committee
• S. 5310: Robotics Supply Chain Improvement ActMike Rounds (R), introduced August 6, 2026, In Committee
• S. 5277: RANCH ActMike Rounds (R), introduced August 6, 2026, In Committee
• S.Res. 840: A resolution to authorize testimony and representation by the Senate Legal CounselJohn Thune (R), introduced August 6, 2026, Agreed To

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