U.S. Senator · South Dakota

Mike Rounds

Mike Rounds is listed in the official Senate roster as a U.S. Senator for South Dakota. The roster records the member’s party as Republican.

Official records checked October 21, 2026. Senate contact and committee sources retrieved October 21, 2026.

Chamber: U.S. Senate
State / district: South Dakota
Party: Republican
Congress: 119th Congress (2025–2027)
Official identifier: R000605
Senate seat: Class II
Hometown in official roster: Fort Pierre

Committee assignments

Committee on Appropriations
Committee on Armed Services
Committee on Banking, Housing, and Urban Affairs
Select Committee on Intelligence
Committee on Indian Affairs
Commission on Security and Cooperation in Europe

Assignments reflect the official roster snapshot. Use the linked congressional sources to check subsequent changes.

Contact Mike Rounds’s congressional office

For constituent services or a message about federal policy, use the official office contacts below.

Washington office: 716 Hart Senate Office Building Washington DC 20510
Office telephone: (202) 224-5842

Official Senate office website · Official contact form

Legislation and recorded votes

Review the official record for bills sponsored or cosponsored by Mike Rounds. The congressional member record identifies the member by Bioguide ID R000605. Individual vote positions should be checked against the chamber’s roll-call records.

Congress.gov member and legislation record · Senate roll-call votes

Sources and verification

This profile summarizes membership, party, representation, committees and office contact details from official congressional records. It does not infer policy positions from party membership or assign an editorial voting score.

Snapshot date: 2026-10-21. Contact details and assignments can change after publication.

Other members from South Dakota

Dusty JohnsonU.S. Representative · Republican
South Dakota · At-large
John ThuneU.S. Senator · Republican
South Dakota

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