Senator · South Dakota
John Thune
John Thune is a Republican senator from South Dakota, in Congress since 1997. In the 119th Congress, 915 roll calls were held while they served; they missed 1, and cast 821 of 840 party-unity votes with the majority of their caucus.
- Party
- Republican
- Chamber
- Senate
- Current
- In Congress since
- Jan 7, 1997
- Term ends
- Jan 3, 2029

Record by Congress
Counts with their denominators for each Congress and chamber served. Ranks are among members who served most of that Congress (100 or more roll calls): rank 1 did it most often. A description, not a grade.
| Congress | Roll calls | Missed | Votes with party | Sponsored | Cosponsored across the aisle |
|---|---|---|---|---|---|
| 119th CongressSenate | 915 | 0.1%1 of 915 · rank 97 of 101 | 98%821 of 840 · rank 65 of 101 | 581 became law | 19%13 of 69 |
| 118th CongressSenate | 691 | 0.0%0 of 691 · rank 99 of 101 | 95%512 of 538 · rank 74 of 101 | 490 became law | 24%62 of 260 |
| 117th CongressSenate | 949 | 0.9%9 of 949 · rank 83 of 100 | 94%717 of 760 · rank 72 of 100 | 632 became law | 29%66 of 227 |
Ideology (DW-NOMINATE)
Voteview's DW-NOMINATE first dimension estimates where members sit from all their roll calls: liberal (−1) to conservative (+1). It describes voting patterns, not views. Shown for the 119th Congress (Senate), with each party's median and the chamber's range.
Source: Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/
Votes against their party
The latest party-unity votes on bills and amendments where the member voted yea or nay against most of their caucus.
- Jan 30, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 32–67· Against party
- Mar 14, 2025· Senate· Amendments· On the Amendment· Amendment Rejected 27–73· Against party
- Feb 13, 2024· Senate· Passage· On Passage of the Bill· Bill Passed 70–29· Against party
- Feb 12, 2024· Senate· Amendments· On the Amendment· Amendment Agreed to 66–33· Against party
- Jun 1, 2023· Senate· Passage· On Passage of the Bill· Bill Passed 63–36· Against party
- Mar 28, 2023· Senate· Amendments· On the Amendment· Amendment Rejected 33–62· Against party
- Aug 4, 2021· Senate· Amendments· On the Amendment· Amendment Agreed to 58–39· Against party
Recent votes
The latest roll calls on bills and amendments, with the member's recorded position.
- Sep 28, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 77–22
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 47–52
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 49–50
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 42–54
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 1–94
- Sep 28, 2026· Senate· Amendments· On the Amendment· Amendment Agreed to 96–1
- Sep 24, 2026· Senate· Passage· On the Concurrent Resolution· Concurrent Resolution Rejected 49–50
- Sep 24, 2026· Senate· Amendments· On the Amendment· Amendment Agreed to 77–23
- Aug 8, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 90–6
- Aug 7, 2026· Senate· Passage· On Passage of the Bill· Bill Passed 86–11
- Aug 7, 2026· Senate· Amendments· On the Amendment· Amendment Rejected 32–64
- Jul 30, 2026· Senate· Passage· On the Resolution· Resolution Agreed to 50–47
Sponsored bills
Bills and resolutions the member introduced as sponsor in the loaded Congresses. Volume is not quality: most measures never leave committee.
170 sponsored · 3 became law
How far they got
- Introduced11869%
- Reported by committee74.1%
- Passed one chamber3923%
- Passed both chambers31.8%
- Became law31.8%
Policy areas
- Congress37
- Taxation23
- Agriculture and Food22
- Science, Technology, Communications13
- Health12
- Environmental Protection8
- Immigration6
- Native Americans5
Latest activity
- S. 5359 Pennington County Land Conveyance ActIntroduced· Public Lands and Natural Resources· Sep 30, 2026
- S.Res. 928 A resolution to authorize testimony, document production, and representation by the Senate Legal Counsel in the case of United States v. Terry.Passed one chamber· Congress· Sep 29, 2026
- S. 3725 Lewis and Clark Regional Water System Expansion Feasibility Study ActReported by committee· Water Resources Development· Sep 17, 2026
- S. 3723 Western South Dakota Water Supply Project Feasibility Study ActReported by committee· Water Resources Development· Sep 17, 2026
- S.Res. 840 A resolution to authorize testimony and representation by the Senate Legal Counsel.Passed one chamber· Congress· Aug 6, 2026
- S.Res. 839 A resolution to authorize representation by the Senate Legal Counsel in Federal Trade Commission v. Key Investment Group, LLC, et al.Passed one chamber· Congress· Aug 6, 2026
- S.Res. 817 An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.Passed one chamber· Congress· Jul 30, 2026
- S.Con.Res. 37 A concurrent resolution authorizing the use of the rotunda of the Capitol for a ceremony to honor the late Senator Lindsey O. Graham.Passed both chambers· Congress· Jul 22, 2026
Committees
Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.
Current seats
- Senate Select Committee on IntelligenceEx Officio
Campaign money
What the member's campaigns reported receiving, per FEC two-year cycle, and the federal contracts of the organizations that sponsor the giving PACs (each sponsor matched to a contract recipient by AI, with its probability). Comparisons of public records: neither explains the other.
2026 cycle
- Raised
- $4.1M
- through Jun 30, 2026
- Cash on hand
- $17.7M
- From committees
- $841.3K
- 178 committees
- From contractor PACs
- $241.8K
- 48 PACs · 29% of committee money
Largest gifts from PACs of federal contractors, 2026
| PAC sponsor | Given | Matched contract recipient | Its contracts, FY2026 |
|---|---|---|---|
| mortgage bankers associationmortgage bankers association political action committee (morpac) | $21.3K | MORTGAGE BANKERS ASSOCIATIONAI match · 100% · the same organization | $125K |
| dairy farmers of america, inc.dairy farmers of america, inc. political action committee; aka dfa-pac | $10K | DAIRY FARMERS OF AMERICA, INC.AI match · 100% · the same organization | $3.3M |
| black & veatch corporationblack & veatch political action committee (black & veatch pac) | $10K | BLACK & VEATCH SPECIAL PROJECTS CORP.AI match · 100% · of one corporate family | $10M |
| international association of fire fightersinternational association of firefighters interested in registration and education pac | $10K | INTERNATIONAL ASSOCIATION OF FIREFIGHTERSAI match · 100% · the same organization | $5,280 |
| humana inc.humana inc. political action committee | $10K | HUMANA GOVERNMENT BUSINESS INCAI match · 100% · of one corporate family | $5.6B |
| cardinal health inc.cardinal health inc. pac | $10K | CARDINAL HEALTH 200, LLCAI match · 100% · of one corporate family | $276.6M |
| charter communications inc.charter communications inc. political action committee | $10K | CHARTER COMMUNICATIONS OPERATING, LLCAI match · 100% · of one corporate family | $130.5K |
| wsp usa inc.wsp usa inc. pac | $7,500 | WSP USA INC.AI match · 100% · the same organization | $5.8M |
| general electric companygeneral electric company aerospace employee political action committee (ge aerospace pac) | $5,000 | GENERAL ELECTRIC COMPANYAI match · 98% · the same organization | $636.3M |
| american airlines inc.american airlines inc. political action committee (aapac) | $5,000 | AMERICAN AIRLINES, INCAI match · 100% · the same organization | $8M |
By cycle
| Cycle | Raised (FEC summary) | From committees | From contractor PACs |
|---|---|---|---|
| 2026 | $4.1M | $841.3K | $241.8K48 PACs · 29% of committee money |
| 2024 | $4.2M | $637.1K | $134K42 PACs · 21% of committee money |
| 2022 | $7.5M | $2.9M | $717.7K154 PACs · 25% of committee money |
Raised is the FEC's cumulative summary of the candidacy; committee money counts each contribution reported, so the two cover slightly different dates.
Terms
Every term in the House or Senate, as published by the congress-legislators project.
- Senate · South DakotaJan 3, 2023 – Jan 3, 2029
- Senate · South DakotaJan 3, 2017 – Jan 3, 2023
- Senate · South DakotaJan 5, 2011 – Jan 3, 2017
- Senate · South DakotaJan 4, 2005 – Jan 3, 2011
- House · South Dakota (at large)Jan 3, 2001 – Jan 3, 2003
- House · South Dakota (at large)Jan 6, 1999 – Jan 3, 2001
- House · South Dakota (at large)Jan 7, 1997 – Jan 3, 1999
Contact
Official channels, as published.
- Website
- www.thune.senate.gov
- Phone
- 202-224-2321
- Office
- 511 Dirksen Senate Office Building
- Contact form
- Contact form
Identifiers
The same member in other public records.
Sources and method
Every figure on this page traces to these records.
- Members of Congress, their terms, committees and identifiers (The @unitedstates project (from the Biographical Directory of the U.S. Congress, the House and the Senate))unitedstates/congress-legislators: legislators, committees and current committee membership · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: CC0 1.0 (public domain dedication)
- House roll-call votes (Office of the Clerk, U.S. House of Representatives)Office of the Clerk, U.S. House of Representatives, roll-call vote records · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Senate roll-call votes and DW-NOMINATE scores (Voteview (UCLA Department of Political Science))Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/ · data current to Oct 3, 2026 · loaded Oct 3, 2026 · license: Free to use with the required citation
- Bill status: bills and resolutions, sponsors, actions, subjects and CRS summaries (U.S. Government Publishing Office (GovInfo), from Congress.gov (Library of Congress))GovInfo Bill Status bulk data (Congress.gov; summaries by the Congressional Research Service) · data current to Oct 6, 2026 · loaded Oct 6, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Congressional district boundaries and relationship files (U.S. Census Bureau)U.S. Census Bureau, Cartographic Boundary Files (congressional districts) and 2020 relationship files · release cd116+cd118+cd119 · loaded Oct 3, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Committees, candidates and committee contributions to candidates (Federal Election Commission)FEC bulk data: committee master, candidate master (candidates' names, no addresses), linkages, PAC summaries, all-candidates summaries and contributions from committees (no individual contributors) · data current to Oct 6, 2026 · loaded Oct 6, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Federal contract transactions (Federal Procurement Data System) (U.S. Department of the Treasury, USAspending.gov)USAspending.gov, prime award contract transactions (FPDS) · data current to Oct 6, 2026 · loaded Oct 6, 2026 · license: Public domain (U.S. Government work, 17 U.S.C. § 105)
- Positions are shown only where a roll call recorded them; voice votes and unanimous consent record none.
- Activity counts describe volume and attendance; they are not a measure of quality.
- Money and votes are shown side by side; neither explains the other.