John Thune
John Thune 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
- T000250
- Senate seat
- Class III
- Hometown in official roster
- Sioux Falls
Committee assignments
- Committee on Commerce, Science, and Transportation
- Committee on Agriculture, Nutrition, and Forestry
- Select Committee on Intelligence
- Committee on Finance
Assignments reflect the official roster snapshot. Use the linked congressional sources to check subsequent changes.
Contact John Thune’s congressional office
For constituent services or a message about federal policy, use the official office contacts below.
- Washington office
- 511 Dirksen Senate Office Building Washington DC 20510
- Office telephone
- (202) 224-2321
Legislation and recorded votes
Review the official record for bills sponsored or cosponsored by John Thune. The congressional member record identifies the member by Bioguide ID T000250. 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.
- U.S. Senate: official membership and contact roster
- U.S. Senate committee assignments
- Biographical Directory of the United States Congress
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 - Mike RoundsU.S. Senator · Republican
South Dakota