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U.S. Senator · Wyoming
Cynthia M. Lummis
RepublicanState R+23119th CongressOn the ballot 2026
Typical swing score27#86 of 100 senators across tracked bills
Contact Cynthia M. Lummis’s office
Official D.C. office details from the congress-legislators datasetWashington, D.C. office127A Russell Senate Office Building Washington DC 20510
Model
Directional: count only breaks toward the other partyWhy do scores change?v3default (selected)v2 model swing-v2
Signals to watch
What in this member’s state, record and ideology could move them, and in which direction. Their score is the same on every bill they haven’t committed to, so these are the things to watch.Could pull them toward Democrats · 1 signal
- StrongBacks 4 Democratic-led tracked billsSponsor or active cosponsor of 4 of the 865 tracked bills that were introduced by Democrats: S. 315, S. 567, S. 2741, S. 5249.
- Sponsored or cosponsored: S. 315 AM Radio for Every Vehicle Act of 2025
- Sponsored or cosponsored: S. 567 First Rhode Island Regiment Congressional Gold Medal Act
- Sponsored or cosponsored: S. 2741 Legacy Mine Cleanup Act of 2025
Show all 4
- Sponsored or cosponsored: S. 5249 MORE American Fuel Act of 2026
Keeps them with Republicans · 3 signals
Term and election
From the congress-legislators datasetOn the ballot 2026
- Current term
- January 3, 2021 – January 3, 2027
- Senate class
- Class 2
- Seniority
- Junior senator
- Next election
- November 3, 2026
- Years in office
- 17.8 years
Committees
Seats on a bill’s committee of referral add a in swing-v3- Senate Committee on Banking, Housing, and Urban AffairsMajority · 7th in seniority
- Subcommittee on Securities, Insurance, and Investment
- Subcommittee on Financial Institutions and Consumer Protection
- Subcommittee on Digital AssetsChairman
- Senate Committee on Commerce, Science, and TransportationMajority · 15th in seniority
Voting ideology
first dimension, from VoteviewR median
D median
Lummis← More liberal (−1)More conservative (+1) →
Their score of +0.682 is 0.12 to the right of the Senate Republican median (+0.558).
Advocacy scorecards
Their rating vs. the Senate Republican average- 119th Congress96Senate Republican average: 88 (n=53)
Swing score by bill
swing-v3, directional · a bill marks a member as committed to itShowing 1–50 of 845 tracked bills, best swing first
| Bill | Their role | Swing score · | ||
|---|---|---|---|---|
| H.R. 747Stop Chinese Fentanyl Act of 2025Summary on Congress.gov | No position yet | No recorded vote | 43
| Middle |
| H.R. 1450 |