Senator · South Dakota
Mike Rounds
Mike Rounds is a Republican senator from South Dakota, in Congress since 2015. In the 119th Congress, 915 roll calls were held while they served; they missed 8, and cast 825 of 833 party-unity votes with the majority of their caucus.
- Party
- Republican
- Chamber
- Senate
- Current
- In Congress since
- Jan 6, 2015
- Term ends
- Jan 3, 2027
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 | 0.9%8 of 915 · rank 83 of 101 | 99%825 of 833 · rank 53 of 101 | 650 became law | 33%91 of 276 |
| 118th CongressSenate | 691 | 4.9%34 of 691 · rank 36 of 101 | 78%398 of 510 · rank 97 of 101 | 542 became law | 36%122 of 339 |
| 117th CongressSenate | 949 | 21.7%206 of 949 · rank 1 of 100 | 74%442 of 599 · rank 92 of 100 | 311 became law | 33%103 of 309 |
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.
Liberal −1+0.35+1 Conservative
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
- Oct 9, 2025· Senate· Amendments· On the Amendment· Amendment Rejected 51–46· Against party
- Oct 9, 2025· Senate· Amendments· On the Amendment· Amendment Rejected 53–43· Against party
- Mar 14, 2025· Senate· Amendments· On the Amendment· Amendment Rejected 27–73· Against party
- Dec 20, 2024· Senate· Amendments· On the Amendment· Amendment Rejected 28–67· Against party
- Mar 7, 2024· Senate· Passage· On Passage of the Bill· Bill Passed 69–30· Against party
- Feb 29, 2024· Senate· Amendments· On the Amendment· Amendment Rejected 37–53· Against party
- Feb 13, 2024· Senate· Passage· On Passage of the Bill· Bill Passed 70–29· 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.
150 sponsored · 3 became law
How far they got
- Introduced13288%
- Reported by committee53.3%
- Passed one chamber106.7%
- Became law32.0%
Policy areas
- Armed Forces and National Security29
- Agriculture and Food22
- Finance and Financial Sector20
- Native Americans14
- Crime and Law Enforcement12
- Government Operations and Politics9
- Health9
- International Affairs5
Latest activity
- S. 1055 Indian Health Service Emergency Claims Parity ActPassed one chamber· Native Americans· Oct 5, 2026
- S. 5639 Portal for Appraisal Licensing Act of 2026Introduced· Sep 30, 2026
- S. 5629 Gene Murphy Veterans’ Bill of Rights Act of 2026Introduced· Sep 30, 2026
- S. 3736 Dakota Mainstem Water Supply Project Feasibility Study ActReported by committee· Water Resources Development· Sep 17, 2026
- S. 5375 ARCH ActIntroduced· Armed Forces and National Security· Aug 7, 2026
- S. 5373 USPS Executive Benefit and Bonus Removal ActIntroduced· Government Operations and Politics· Aug 7, 2026
- S. 5310 Robotics Supply Chain Improvement ActIntroduced· Science, Technology, Communications· Aug 6, 2026
- S. 5277 RANCH ActIntroduced· Agriculture and Food· Aug 6, 2026
Committees
Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.
Current seats
- CybersecurityChairman
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
- $3.2M
- through Jun 30, 2026
- Cash on hand
- $2.7M
- From committees
- $1.7M
- 346 committees
- From contractor PACs
- $438.1K
- 79 PACs · 25% of committee money
IndividualsPACsPartySelf
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) | $48.3K | MORTGAGE BANKERS ASSOCIATIONAI match · 100% · the same organization | $125K |
| american bankers association (aba)american bankers association pac (bankpac) | $10K | AMERICAN BANKERS ASSOCIATIONAI match · 100% · the same organization | — |
| chevron corporationchevron employees political action committee - chevron corporation | $10K | CHEVRON U.S.A. INCAI match · 100% · of one corporate family | $713.4K |
| united parcel service, inc.united parcel service, inc. pac (upspac) | $10K | UNITED PARCEL SERVICE INCAI match · 100% · of one corporate family | $685.7K |
| nextera energy, incnextera energy, inc. political action committee | $10K | NEXTERA ENERGY SERVICES MAINE, LLCAI match · 95% · of one corporate family | $1.4M |
| american institute of certified public accountantsamerican institute of certified public accountants political action committee | $10K | AMERICAN INSTITUTE OF CERTIFIED PUBLIC ACCOUNTANTSAI match · 100% · the same organization | — |
| general dynamics corporationgeneral dynamics corporation political action committee (general dynamics employee pac) | $10K | GENERAL DYNAMICS-OTS, INC.AI match · 100% · of one corporate family | $29.3K |
| liberty mutual insurance companyliberty mutual insurance company - pac | $10K | LIBERTY MUTUAL INSURANCE COMPANYAI match · 100% · the same organization | — |
| comcast corporationcomcast corporation & nbcuniversal political action committee - federal | $10K | COMCAST CABLE COMMUNICATIONS, LLCAI match · 100% · of one corporate family | $453.1K |
| bank of america corporationbank of america corporation federal pac | $10K | BANK OF AMERICA, NATIONAL ASSOCIATIONAI match · 99% · of one corporate family | — |
By cycle
| Cycle | Raised (FEC summary) | From committees | From contractor PACs |
|---|---|---|---|
| 2026 | $3.2M | $1.7M | $438.1K79 PACs · 25% of committee money |
| 2024 | $1.1M | $511.9K | $72K27 PACs · 14% of committee money |
| 2022 | $253.1K | $215.2K | $24.5K12 PACs · 11% 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, 2021 – Jan 3, 2027
- Senate · South DakotaJan 6, 2015 – Jan 3, 2021
Contact
Official channels, as published.
- Website
- www.rounds.senate.gov
- Phone
- 202-224-5842
- Office
- 716 Hart 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 9, 2026 · loaded Oct 9, 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 9, 2026 · loaded Oct 9, 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 9, 2026 · loaded Oct 9, 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.