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Official portrait of Mike Rounds, U.S. Senator for South Dakota

Mike Rounds

U.S. Senator for South Dakota

Republican · Since 2015 · Next election: 2026 · Age 71 · Junior senator

Last updated · 7 sources

Mike Rounds is the junior U.S. Senator for South Dakota, a Republican serving since 2015.

Rounds has served in the Senate longer than 45 of its 99 other members.

Rounds sits on 6 committees: Appropriations; Armed Services; Banking, Housing, and Urban Affairs; Indian Affairs; Intelligence; and Commission on Security and Cooperation in Europe.

In the Senate's last 30 days in session (Jun 23 – Oct 2, 2026), Rounds voted in 74 of 74 roll calls (100%). In that period, 44 bills Rounds sponsored or cosponsored had new actions.

Rounds has filed with the FEC to run for this seat in 2026. 4 candidates for the seat have reported receipts to the FEC.

This week (Sep 28 – Oct 4, 2026)

Full schedule →

Senate: met Mon–Wed (Sep 28–30, 2026); a pro forma session Thu

12 roll-call votes: 6 Nay, 6 Yea

  • · Closed hearing

    To receive a closed briefing on certain intelligence matters.

    Senate Intelligence Committee · 219 Hart Senate Office Building · Notice

  • · Hearing

    Hearings to examine an update on Golden Dome.

    Strategic Forces (Senate Armed Services Committee) · 222 Russell Senate Office Building · Notice

  • · Closed hearing

    To receive a closed briefing on certain intelligence matters.

    Senate Intelligence Committee · 219 Hart Senate Office Building · Notice

  • · Hearing

    Hearings to examine the nominations of Jeremy Wiggins, of the District of Columbia, to be an Assistant Secretary of the Treasury, Matthew Jones, of Virginia, to be an Assistant Secretary of Housing and Urban Development, and David Slade, of Florida, to be First Vice President, and Michael Rigas, of Virginia, to be a Member of the Board of Directors, both of the Export-Import Bank of the United States.

    Senate Banking, Housing, and Urban Affairs Committee · 538 Dirksen Senate Office Building · Notice

Votes

All of them →

Voted in 74 of 74 roll calls (100%), Jun 23 – Oct 2, 2026.

Rounds voted with the majority of Senate Republicans on 73 roll calls and against it on 1.

Votes against the party majority

Mike Rounds's most recent votes against the party majority and missed votes
DateVoteQuestionResultMike RoundsNote
Aug 8No. 227On the Motion to Table H.R. 6500Motion to Table Budd Amdt. No. 6747Motion to Table Agreed toNayMost Senate Republicans: Yea

Legislation

65 bills sponsored and 276 cosponsored in the 119th Congress

  • S. 3257 John A. Hauser Mental Health in Aviation Act

    Cosponsor · Latest action Oct 1, 2026: Held at the desk.

  • S. 1055 Indian Health Service Emergency Claims Parity Act

    Sponsor · Latest action Sep 30, 2026: Passed Senate without amendment by Unanimous Consent.

    This bill extends from 72 hours to 15 days the time period to notify the Purchased/Referred Care (PRC) program of emergency medical care received from a non-Indian Health Service (IHS) medical provider or at a non-IHS medical facility.

  • S. 5629 A bill to require the Secretary of Veterans Affairs to permit veterans to seek a second opinion after the receipt of health care under the laws administered by the Secretary, and for other purposes.

    Sponsor · Latest action Sep 30, 2026: Read twice and referred to the Committee on Veterans' Affairs.

Campaign finance

Raised
$4,513,920
Spent
$3,459,778
Cash on hand
$2,736,664

2026 election cycle, through Jun 30, 2026 · FEC S4SD00049

South Dakota senators

  • Official portrait of John Thune, U.S. Senator for South Dakota
    John Thune

    U.S. Senator for South Dakota · Republican

All 3 members of Congress from South Dakota →

Sources