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Member of Congress

Mike Rounds

Republican · U.S. Senator for South Dakota

Official biography (Biographical Directory of the U.S. Congress)

Compare with another member

119th Congress, Senate

Party unity how it’s measured

99%

Voted with their party on 824 of 832 party-unity votes

Missed votes how it’s measured

0.9%

Missed 8 of 915 votes they were eligible for

Cross-party cosponsoring how it’s measured

34.9%

73 of the 209 bills they cosponsored were introduced by another party

See the bills

Cross-party support how it’s measured

55.6%

35 of the 63 bills they introduced have a cosponsor from another party

See the bills

How they voted by issue area

Each vote counts in every issue area its bill has. A Yea on a procedural vote or motion doesn’t mean support for the bill. How we count these

Issue areaYeaNayPresent or not votingVotes
Agriculture and food720
Civil rights400
Crime and justice1520
Defense and veterans1120
Economy and finance1720
Education1220
Energy2340
Environment2520
Foreign affairs and trade1190
Government and elections1330
Healthcare1220
Housing700
Immigration1520
Labor and jobs1020
Social safety net1220
Taxes500
Technology1620
Transportation1220

Party unity over time

By month, across every Congress we cover in the Senate. Months with few party-unity votes can swing widely.

Show as a table
MonthParty unityWith party
Jan 2021100%2 of 2
Feb 202192.1%35 of 38
Mar 202190.2%55 of 61
Apr 202170%7 of 10
May 202169.7%23 of 33
Jun 202159.3%16 of 27
Jul 202171.4%15 of 21
Aug 202190.9%10 of 11
Sep 202172.2%13 of 18
Oct 202182.4%14 of 17
Nov 202140%2 of 5
Dec 202195.7%22 of 23
Jan 202236.4%4 of 11
Feb 202231%9 of 29
Mar 202268.5%37 of 54
Apr 202253.3%8 of 15
May 202286.8%46 of 53
Jun 202281%17 of 21
Jul 202258.6%17 of 29
Aug 202295.1%39 of 41
Sep 202276%19 of 25
Nov 202271.4%10 of 14
Dec 202253.7%22 of 41
Jan 20230%0 of 1
Feb 202381.5%22 of 27
Mar 202371.1%32 of 45
Apr 202356.3%9 of 16
May 202376.5%26 of 34
Jun 202388.2%30 of 34
Jul 2023100%22 of 22
Sep 202357.1%12 of 21
Oct 202382.1%23 of 28
Nov 202382.9%29 of 35
Dec 202342.9%6 of 14
Jan 202471.4%10 of 14
Feb 202444.4%12 of 27
Mar 202479.5%31 of 39
Apr 202482.6%19 of 23
May 202471.4%15 of 21
Jun 202469.2%9 of 13
Jul 202489.5%17 of 19
Aug 202450%1 of 2
Sep 202480%4 of 5
Nov 2024100%39 of 39
Dec 202496.6%28 of 29
Jan 2025100%20 of 20
Feb 2025100%68 of 68
Mar 202598.1%51 of 52
Apr 2025100%66 of 66
May 2025100%54 of 54
Jun 2025100%72 of 72
Jul 2025100%107 of 107
Aug 2025100%23 of 23
Sep 202594.1%32 of 34
Oct 202596.7%59 of 61
Nov 2025100%21 of 21
Dec 2025100%33 of 33
Jan 202682.4%14 of 17
Feb 2026100%23 of 23
Mar 2026100%25 of 25
Apr 2026100%37 of 37
May 2026100%16 of 16
Jun 2026100%54 of 54
Jul 2026100%23 of 23
Aug 2026100%9 of 9
Sep 2026100%17 of 17

Votes

Every vote that counts in our statistics that they were eligible for, newest first.

Showing 1–50 of 915 votes

  • Sep 30, 2026Roll call 256

    On the Nomination

    Confirmation: Keith Sonderling, of F.L., to be Secretary of Labor

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 30, 2026Roll call 255

    On the Cloture Motion

    Motion to Invoke Cloture: Keith Sonderling to be Secretary of Labor

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Sep 30, 2026Roll call 254

    H.R. 9340: On Cloture on the Motion to Proceed

    Ratepayer Protection Act

    Cloture · Cloture on the Motion to Proceed Rejected · Energy

    YeaWith their party
  • Sep 30, 2026Roll call 253

    H.R. 7008: On Cloture on the Motion to Proceed

    Stop Insider Trading Act

    Cloture · Cloture on the Motion to Proceed Rejected · Government and elections

    YeaWith their party
  • Sep 29, 2026Roll call 252

    S.Res. 852: On the Motion to Discharge

    A resolution requesting information on Israel's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961.

    Procedural · Motion to Discharge Rejected · Foreign affairs and trade

    NayWith their party
  • Sep 29, 2026Roll call 251

    S.J.Res. 197: On the Motion to Proceed

    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".

    Procedural · Motion to Proceed Rejected · Healthcare, Technology

    NayWith their party
  • Sep 28, 2026Roll call 250

    S. 4668: On Passage of the Bill

    Protect College Sports Act of 2026

    Final passage · Bill Passed · Education

    Yea
  • Sep 28, 2026Roll call 249

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    NayWith their party
  • Sep 28, 2026Roll call 248

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    NayWith their party
  • Sep 28, 2026Roll call 247

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    NayWith their party
  • Sep 28, 2026Roll call 246

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Rejected · Education

    Nay
  • Sep 28, 2026Roll call 245

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Agreed to · Education

    Yea
  • Sep 24, 2026Roll call 244

    H.Con.Res. 89: On the Concurrent Resolution

    Directing the President, pursuant to section 5(c) of the War Powers Resolution, to remove United States Armed Forces from hostilities with Iran.

    Final passage · Concurrent Resolution Rejected · Foreign affairs and trade

    NayWith their party
  • Sep 24, 2026Roll call 243

    S. 4668: On the Cloture Motion

    Protect College Sports Act of 2026

    Cloture · Cloture Motion Agreed to · Education

    Yea
  • Sep 24, 2026Roll call 242

    S. 4668: On the Amendment

    Protect College Sports Act of 2026

    Amendment · Amendment Agreed to · Education

    Yea
  • Sep 23, 2026Roll call 241

    On the Nomination

    Confirmation: Angela Veronica Colmenero, of T.X., to be U.S. District Judge for the Southern District of Texas

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 22, 2026Roll call 240

    S. 4668: On the Cloture Motion

    Protect College Sports Act of 2026

    Cloture · Cloture Motion Agreed to · Education

    Yea
  • Sep 22, 2026Roll call 239

    On the Cloture Motion

    Motion to Invoke Cloture: Angela Veronica Colmenero to be U.S. District Judge for the Southern District of Texas

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Sep 17, 2026Roll call 238

    On the Nomination

    Confirmation: Kasdin Miller Mitchell, of Texas, to be U.S. District Judge for the Northern District of Texas

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 17, 2026Roll call 237

    On the Cloture Motion

    Motion to Invoke Cloture: Kasdin Miller Mitchell to be U.S. District Judge for the Northern District of Texas

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Sep 17, 2026Roll call 236

    S. 4668: On the Motion to Proceed

    Protect College Sports Act of 2026

    Procedural · Motion to Proceed Agreed to · Education

    Yea
  • Sep 15, 2026Roll call 235

    S. 4668: On Cloture on the Motion to Proceed

    Protect College Sports Act of 2026

    Cloture · Cloture on the Motion to Proceed Agreed to · Education

    Yea
  • Sep 15, 2026Roll call 234

    H.R. 3633: On Cloture on the Motion to Proceed

    Digital Asset Market Clarity Act

    Cloture · Cloture on the Motion to Proceed Rejected · Economy and finance, Technology

    YeaWith their party
  • Sep 15, 2026Roll call 233

    On the Nomination

    Confirmation: Matthew R. Byrne, of Ohio, to be U.S. District Judge for the Southern District of Ohio

    Final passage · Nomination Confirmed

    YeaWith their party
  • Sep 14, 2026Roll call 232

    On the Cloture Motion

    Motion to Invoke Cloture: Matthew R. Byrne to be U.S. District Judge for the Southern District of Ohio

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 8, 2026Roll call 231

    S. 5271: On Cloture on the Motion to Proceed

    A bill to amend the Help America Vote Act of 2002 to require voters to provide photo identification.

    Cloture · Cloture on the Motion to Proceed Rejected · Civil rights, Government and elections, Immigration

    YeaWith their party
  • Aug 8, 2026Roll call 230

    On the Nomination

    Confirmation: Todd Blanche, of Florida, to be Attorney General

    Final passage · Nomination Confirmed

    YeaWith their party
  • Aug 8, 2026Roll call 229

    On the Cloture Motion

    Motion to Invoke Cloture: Todd Blanche to be Attorney General

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 8, 2026Roll call 228

    H.R. 6500: On Passage of the Bill

    Continuing Appropriations and Extensions Act, 2027

    Final passage · Bill Passed · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Yea
  • Aug 8, 2026Roll call 227

    H.R. 6500: On the Motion to Table

    Continuing Appropriations and Extensions Act, 2027

    Procedural · Motion to Table Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Nay
  • Aug 7, 2026Roll call 226

    H.R. 6500: On the Cloture Motion

    Continuing Appropriations and Extensions Act, 2027

    Cloture · Cloture Motion Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Yea
  • Aug 7, 2026Roll call 225

    On the Nomination

    Confirmation: En Bloc nominations provided for under the provisions of S. Res. 817

    Final passage · Nomination Confirmed

    YeaWith their party
  • Aug 7, 2026Roll call 224

    H.R. 5334: On Passage of the Bill

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Final passage · Bill Passed · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    Yea
  • Aug 7, 2026Roll call 223

    H.R. 5334: On the Amendment

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Amendment · Amendment Rejected · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    NayWith their party
  • Aug 5, 2026Roll call 222

    S.J.Res. 187: On the Motion to Proceed

    A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)".

    Procedural · Motion to Proceed Rejected · Environment

    NayWith their party
  • Aug 5, 2026Roll call 221

    On the Cloture Motion

    Motion to Invoke Cloture: En Bloc Nominations Provided for under the provisions of S. Res. 817

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 5, 2026Roll call 220

    On the Nomination

    Confirmation: Erica Schwartz, of Florida, to be Director of the Centers for Disease Control and Prevention

    Final passage · Nomination Confirmed

    YeaWith their party
  • Aug 5, 2026Roll call 219

    On the Cloture Motion

    Motion to Invoke Cloture: Erica Schwartz to be Director of the Centers for Disease Control and Prevention

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Aug 3, 2026Roll call 218

    H.R. 6500: On Cloture on the Motion to Proceed

    Continuing Appropriations and Extensions Act, 2027

    Cloture · Cloture on the Motion to Proceed Agreed to · Agriculture and food, Crime and justice, Defense and veterans, Economy and finance, Education, Energy, Environment, Foreign affairs and trade, Government and elections, Healthcare, Immigration, Labor and jobs, Social safety net, Technology, Transportation

    Yea
  • Jul 30, 2026Roll call 217

    S.Res. 817: On the Resolution

    An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.

    Final passage · Resolution Agreed to · Government and elections

    YeaWith their party
  • Jul 30, 2026Roll call 216

    S.J.Res. 181: On the Motion to Discharge

    A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.

    Procedural · Motion to Discharge Rejected · Foreign affairs and trade

    NayWith their party
  • Jul 30, 2026Roll call 215

    S.J.Res. 199: On the Motion to Proceed

    A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Health and Human Services relating to "Restoring Flexibility in the Child Care and Development Fund (CCDF)".

    Procedural · Motion to Proceed Rejected · Social safety net

    NayWith their party
  • Jul 29, 2026Roll call 214

    S.Res. 817: On the Cloture Motion

    An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.

    Cloture · Cloture Motion Agreed to · Government and elections

    YeaWith their party
  • Jul 29, 2026Roll call 213

    H.R. 5334: On the Motion to Proceed

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Procedural · Motion to Proceed Agreed to · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    Yea
  • Jul 28, 2026Roll call 212

    H.R. 5334: On Cloture on the Motion to Proceed

    Lindsey O. Graham Sanctioning Russia and Iran Act of 2026

    Cloture · Cloture on the Motion to Proceed Agreed to · Crime and justice, Energy, Foreign affairs and trade, Immigration, Taxes, Transportation

    Yea
  • Jul 28, 2026Roll call 211

    On the Nomination

    Confirmation: Walter Clayton, of New York, to be Director of National Intelligence

    Final passage · Nomination Confirmed

    YeaWith their party
  • Jul 27, 2026Roll call 210

    On the Cloture Motion

    Motion to Invoke Cloture: Walter Clayton to be Director of National Intelligence

    Cloture · Cloture Motion Agreed to

    YeaWith their party
  • Jul 23, 2026Roll call 209

    On the Nomination

    Confirmation: Antonio M. Pozos, of Pennsylvania, to be U.S. District Judge for the Eastern District of Pennsylvania

    Final passage · Nomination Confirmed

    YeaWith their party
  • Jul 23, 2026Roll call 208

    On the Nomination

    Confirmation: Daniel Mack Traynor, of North Dakota, to United States Circuit Judge for the Eighth Circuit

    Final passage · Nomination Confirmed

    YeaWith their party
  • Jul 23, 2026Roll call 207

    S.J.Res. 180: On the Motion to Discharge

    A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.

    Procedural · Motion to Discharge Rejected · Foreign affairs and trade

    NayWith their party

Bills

The bills and joint resolutions behind the bipartisanship numbers, newest first. How we count these

Introduced (63)

  • S. 5639: Portal for Appraisal Licensing Act of 2026Cosponsor from another party
  • S. 5629: Gene Murphy Veterans’ Bill of Rights Act of 2026
  • S. 5375: ARCH ActCosponsor from another party
  • S. 5373: USPS Executive Benefit and Bonus Removal Act
  • S. 5310: Robotics Supply Chain Improvement ActCosponsor from another party
  • S. 5277: RANCH ActCosponsor from another party
  • S. 5240: REACH Our Tribes ActCosponsor from another party
  • S. 5211: A bill to require the Under Secretary of Defense for Policy and the Chairman of the Joint Chiefs of Staff to submit a strategy for cyber cooperation in the Indo-Pacific region, and for other purposes.Cosponsor from another party
  • S. 5139: National Quantum Readiness Act of 2026Cosponsor from another party
  • S. 4991: Homestake AI Act of 2026Cosponsor from another party

See all 63

Cosponsored (209)

  • S. 5555: PFAS RAPID Response ActIntroduced by another party
  • S. 5465: Bringing the Discount Window into the 21st Century ActIntroduced by another party
  • S. 5366: Affordable Housing Credit Carryback ActIntroduced by another party
  • S. 5359: Pennington County Land Conveyance Act
  • S. 5337: Keep Our Communities Safe Act of 2026
  • S. 5313: Quantum-GUARD Act of 2026Introduced by another party
  • S. 5307: Artificial Intelligence and Innovation Talent ActIntroduced by another party
  • S. 5255: Military Chaplains Modernization Act of 2026
  • S. 5025: Lindsey O. Graham Sanctioning Russia Act of 2026
  • S. 4933: Defenders of Bataan and Corregidor Congressional Gold Medal ActIntroduced by another party

See all 209

Service

Seats held in the Congresses we cover, from the 117th (2021) on.

  • Senator for South Dakota

    January 3, 2021 – present · Republican