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Official portrait of Cynthia M. Lummis

Cynthia M. Lummis

U.S. Senator · Wyoming

  • Republican
  • Since 2021
  • Tenure: 4+ terms

Refreshed 13 h ago

As of 2026-10-19 · Methodology 2026.10.1

Contact info

  • Capitol office

    127A Russell Senate Office Building Washington DC 20510

    202-224-3424

  • District offices

    Afton · Casper · Cheyenne · Cody · Sundance

View all contact info
  • Official website
  • Biographical Directory of Congress
  • GovTrack
  • Capitol office: 127A Russell Senate Office Building Washington DC 20510 · 202-224-3424
  • 80 1st Avenue, Suite 105, Afton, WY, 83110 · 307-248-1736
  • 100 East B Street, Suite 3201, Dick Cheney Federal Building, Casper, WY, 82602 · 307-261-6572
  • 2120 Capitol Avenue, Suite 2007, Federal Center, Cheyenne, WY, 82001 · 307-772-2477
  • 1285 Sheridan Avenue, Suite 215, Cody, WY, 82414 · 307-527-9444
  • 120 North 4th Street, Sundance, WY, 82729 · 307-283-3461

Evidence & sources

  • U.S. Senate roll-call votes

    Votes and participation (senate.gov)

  • Congress.gov bill records

    Sponsored and enacted bills

  • congress-legislators

    Terms, committees, offices

Stale, last successful update 2026-10-23

View all sources

Explore this record

Scorecard

Voting Record

49.3/ 100

Ranked 22 of 52 in the Senate majority

How this score is calculated:

  • Roll calls cast

    885 of 908 while seated (97.5%)

    30th percentile in cohort · 30 % weight

  • Substantive bills sponsored

    41 of 41 sponsored · 61.9 points

    58th percentile in cohort · 70 % weight

  • Bills enacted

    2 sponsored · 3 cosponsored

    2 passed a chamber · 0 reported · 37 introduced

Promise Adherence

0 of 5 promises scored

Collecting data - coming soon

How this score is calculated:

  • Reviewed promises

    0 scored of 5 needed

    0 promises from 0 sources this term

  • Days in office this term

    2,130 days (180 needed)

  • Promise capture coverage

    0 of 3 source kinds settled

Impact History (coming soon)

0 of 10 matched votes

Collecting data - coming soon

How this score is calculated:

  • Matched votes

    0 of 10 needed

  • District opinion cells

    0 snapshots frozen

    Needs ≥ 25 verified respondents and a lean ≥ 0.15

Approval Rating

0 of 1 public poll on record

Collecting data - coming soon

How this score is calculated:

  • Public polls averaged

    0 of 1 needed

  • Polls on file for this officeholder

    None recorded yet

  • Most recent fieldwork

    No poll on record

Filter

Recent activity

DateActionPolicyStatus
2025-12-04SponsoredS 3372 — Protect Innocent Victims of Taxation After Fire Extension ActProposed
2025-12-04SponsoredS 3377 — A bill to delay the implementation of a rule relating to the importation of sheep and goats and products derived from sheep and goats, and for other purposes.Proposed
2025-12-04SponsoredS 3366 — Back the Blue Act of 2025Proposed
2025-12-03Voted yea on “On the Cloture Motion PN520-4”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-03Voted yea on “On the Motion to Proceed S.J.Res. 91”Motion to Proceed Agreed toSJRES 91 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Coastal Plain Oil and Gas Leasing Program Record of Decision".Active
2025-12-03Voted yea on “On the Nomination PN520-3”Nomination ConfirmedNo bill (motion or nomination)
2025-12-03Voted yea on “On the Cloture Motion PN520-3”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-03SponsoredS 3179 — Halo ActProposed
2025-12-03SponsoredS 3335 — National Coal Council Act of 2025Proposed
2025-12-02Voted yea on “On the Nomination PN520-2”Nomination ConfirmedNo bill (motion or nomination)
2025-12-02Voted yea on “On the Cloture Motion PN520-2”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-02Voted yea on “On the Nomination PN520-1”Nomination ConfirmedNo bill (motion or nomination)
2025-12-01Voted yea on “On the Cloture Motion PN520-1”Cloture Motion Agreed toNo bill (motion or nomination)
2025-11-20Voted yea on “On the Joint Resolution H.J.Res. 130”Joint Resolution PassedHJRES 130 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment.Passed 2025-12-11
2025-11-20SponsoredS 3238 — Conscience Protections for Medical Residents ActProposed
2025-11-20SponsoredS 3227 — Protecting American Farmland ActProposed
2025-11-20SponsoredS 3237 — Terrorist Inadmissibility Codification ActProposed
2025-11-20SponsoredSRES 513 — A resolution designating November 22, 2025, as National Adoption Day and November 2025 as National Adoption Month to promote national awareness of adoption and the children awaiting families, celebrating children and families involved in adoption, and encouraging the people of the United States to secure safety, permanency, and well-being for all children.Passed 2025-11-20
2025-11-20SponsoredS 3278 — SMART Infrastructure Act of 2025Proposed
2025-11-20SponsoredSJRES 97 — A joint resolution proposing a balanced budget amendment to the Constitution of the United States.Proposed
2025-11-19Voted nay on “On the Motion to Proceed S.J.Res. 76”Motion to Proceed RejectedSJRES 76 — 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 "Extension of Deadlines in Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review Final Rule".Active
2025-11-19Voted yea on “On the Motion to Proceed S.J.Res. 89”Motion to Proceed Agreed toSJRES 89 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "Buffalo Field Office Record of Decision and Approved Resource Management Plan Amendment".Active
2025-11-19Voted yea on “On the Nomination PN445-6”Nomination ConfirmedNo bill (motion or nomination)
2025-11-19SponsoredSRES 507 — A resolution designating November 20, 2025, as "National Rural Health Day".Passed 2025-11-19
2025-11-18Voted yea on “On the Cloture Motion PN445-6”Cloture Motion Agreed toNo bill (motion or nomination)
This score is a guide, not a verdict.