Senator · Wyoming
Cynthia M. Lummis
Cynthia M. Lummis is a Republican senator from Wyoming, in Congress since 2009. In the 119th Congress, 915 roll calls were held while they served; they missed 30, and cast 813 of 814 party-unity votes with the majority of their caucus.
- Party
- Republican
- Chamber
- Senate
- Current
- In Congress since
- Jan 6, 2009
- 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 | 3.3%30 of 915 · rank 34 of 101 | 100%813 of 814 · rank 17 of 101 | 482 became law | 16%56 of 354 |
| 118th CongressSenate | 691 | 4.6%32 of 691 · rank 39 of 101 | 97%496 of 513 · rank 62 of 101 | 370 became law | 22%90 of 406 |
| 117th CongressSenate | 949 | 5.4%51 of 949 · rank 27 of 100 | 96%703 of 730 · rank 67 of 100 | 201 became law | 24%79 of 333 |
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+0.68+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.
- Apr 19, 2024· Senate· Amendments· On the Amendment· Amendment Rejected 42–50· Against party
- Jul 19, 2023· Senate· Amendments· On the Amendment· Amendment Agreed to 65–28· Against party
- Mar 29, 2023· Senate· Passage· On Passage of the Bill· Bill Passed 66–30· Against party
- Mar 28, 2023· Senate· Amendments· On the Amendment· Amendment Rejected 31–65· Against party
- Mar 23, 2023· Senate· Amendments· On the Amendment· Amendment Rejected 32–63· Against party
- Mar 22, 2023· Senate· Amendments· On the Amendment· Amendment Rejected 36–60· Against party
- Dec 22, 2022· Senate· Amendments· On the Amendment· Amendment Agreed to 73–24· Against party
- Dec 1, 2022· Senate· Amendments· On the Amendment· Amendment Rejected 25–70· 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.
105 sponsored · 3 became law
How far they got
- Introduced9792%
- Reported by committee11.0%
- Passed one chamber43.8%
- Became law32.9%
Policy areas
- Environmental Protection23
- Public Lands and Natural Resources18
- Finance and Financial Sector15
- Transportation and Public Works14
- Energy9
- Government Operations and Politics8
- Economics and Public Finance4
- Agriculture and Food3
Latest activity
- S. 2273 Wyoming Education Trust Modernization ActPassed one chamber· Public Lands and Natural Resources· Oct 5, 2026
- S. 5663 A bill to establish a program at the National Science Foundation to fund research awards to reproduce federally funded research.Introduced· Sep 30, 2026
- S. 790 A bill to redesignate the National Historic Trails Interpretive Center in Casper, Wyoming, as the "Barbara L. Cubin National Historic Trails Interpretive Center".Became law· Public Lands and Natural Resources· Sep 25, 2026
- S. 1525 Common Cents ActPassed one chamber· Finance and Financial Sector· Aug 10, 2026
- S.J.Res. 205 A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Nonroad Engine Pollution Control Standards; Small Off-Road Engines Regulations; Notice of Decision".Introduced· Environmental Protection· Aug 5, 2026
- S. 4956 Farmers and Ranchers Relief Act of 2026Introduced· Environmental Protection· Jul 13, 2026
- S. 4806 POWER Up ActIntroduced· Energy· Jun 17, 2026
- S. 4619 Protect Domestic Oil and Gas Small Business Act of 2026Introduced· Environmental Protection· May 21, 2026
Committees
Seats as published by the congress-legislators project. Past seats are those no longer listed since Analisa began recording them.
Current seats
- Digital AssetsChairman
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
- $1.5M
- through Jul 29, 2026
- Cash on hand
- $835K
- From committees
- $550.7K
- 201 committees
- From contractor PACs
- $131K
- 43 PACs · 24% 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) | $5,000 | MORTGAGE BANKERS ASSOCIATIONAI match · 100% · the same organization | $125K |
| chevron corporationchevron employees political action committee - chevron corporation | $5,000 | CHEVRON U.S.A. INCAI match · 100% · of one corporate family | $713.4K |
| northrop grumman corporationemployees of northrop grumman corporation pac | $5,000 | NORTHROP GRUMMAN SYSTEMS CORPORATIONAI match · 100% · of one corporate family | $1.1B |
| jpmorgan chase & co.jpmorgan chase & co. federal political action committee | $5,000 | JPMORGAN CHASE BANK, NATIONAL ASSOCIATIONAI match · 100% · of one corporate family | $1.5M |
| pricewaterhousecooperspricewaterhousecoopers political action committee i | $5,000 | PRICEWATERHOUSECOOPERS LLPAI match · 98% · the same organization | $4.8M |
| the boeing companythe boeing company pac | $5,000 | THE BOEING COMPANYAI match · 99% · the same organization | $9B |
| general atomicsgeneral atomics political action committee | $5,000 | GENERAL ATOMICSAI match · 95% · the same organization | — |
| comcast corporationcomcast corporation & nbcuniversal political action committee - federal | $5,000 | COMCAST CABLE COMMUNICATIONS, LLCAI match · 100% · of one corporate family | $453.1K |
| bank of america corporationbank of america corporation federal pac | $5,000 | BANK OF AMERICA, NATIONAL ASSOCIATIONAI match · 99% · of one corporate family | — |
| marathon petroleum corporationmarathon petroleum corporation employees political action committee (mpac) | $5,000 | MARATHON PETROLEUM COMPANY LPAI match · 99% · the same organization | $525.1M |
By cycle
| Cycle | Raised (FEC summary) | From committees | From contractor PACs |
|---|---|---|---|
| 2026 | $1.5M | $550.7K | $131K43 PACs · 24% of committee money |
| 2024 | $805.8K | $398.2K | $45.5K17 PACs · 11% of committee money |
| 2022 | $419.1K | $104.1K | $24.4K12 PACs · 23% 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 · WyomingJan 3, 2021 – Jan 3, 2027
- House · Wyoming (at large)Jan 6, 2015 – Jan 3, 2017
- House · Wyoming (at large)Jan 3, 2013 – Jan 3, 2015
- House · Wyoming (at large)Jan 5, 2011 – Jan 3, 2013
- House · Wyoming (at large)Jan 6, 2009 – Jan 3, 2011
Contact
Official channels, as published.
- Website
- www.lummis.senate.gov
- Phone
- 202-224-3424
- Office
- 127a Russell 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.