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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 · 2 signals
- StrongBacks 23 Democratic-led tracked billsSponsor or active cosponsor of 23 of the 2090 tracked bills that were introduced by Democrats: S. 154, S. 315, S. 545, S. 567, S. 580 and 18 more.
- Sponsored or cosponsored: S. 154 Colorado River Basin System Conservation Extension Act
- Sponsored or cosponsored: S. 315 AM Radio for Every Vehicle Act of 2025
- Sponsored or cosponsored: S. 545 Combating Illicit Xylazine Act
Show all 10
- Sponsored or cosponsored: S. 567 First Rhode Island Regiment Congressional Gold Medal Act
- Sponsored or cosponsored: S. 580 Combating CCP Labor Abuses Act of 2025
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 401–450 of 2038 tracked bills, best swing first
| Bill | Their role | Swing score · | ||
|---|---|---|---|---|
| S. 2314SHARKED Act of 2025Summary on Congress.gov | No position yet | No recorded vote | 34
| Middle |