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Official portrait of Cynthia M. Lummis

Cynthia M. Lummis

U.S. Senator · Wyoming

  • Republican
  • Since 2021
  • Tenure: 4+ terms

Refreshed 15 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

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Recent activity

DateActionPolicyStatus
2025-05-13SponsoredS 1683 — PELL Act of 2025Proposed
2025-05-13SponsoredSRES 220 — A resolution designating the week of May 11 through May 17, 2025, as "National Police Week".Passed 2025-05-13
2025-05-12Voted yea on “On the Cloture Motion PN25-50”Cloture Motion Agreed toNo bill (motion or nomination)
2025-05-12Voted yea on “On the Nomination PN12-10”Nomination ConfirmedNo bill (motion or nomination)
2025-05-12Voted yea on “On the Cloture Motion PN12-10”Cloture Motion Agreed toNo bill (motion or nomination)
2025-05-12SponsoredS 1715 — Protecting Privacy in Purchases ActProposed
2025-05-12SponsoredS 1241 — Sanctioning Russia Act of 2025Proposed
2025-05-08Voted yea on “On Cloture on the Motion to Proceed S. 1582”Cloture on the Motion to Proceed RejectedS 1582 — GENIUS ActPassed 2025-07-18
2025-05-08Voted yea on “On the Joint Resolution H.J.Res. 60”Joint Resolution PassedHJRES 60 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Park Service relating to "Glen Canyon National Recreation Area: Motor Vehicles".Passed 2025-05-23
2025-05-08Not voting on “On the Joint Resolution S.J.Res. 7”Joint Resolution PassedSJRES 7 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Federal Communications Commission relating to "Addressing the Homework Gap Through the E-Rate Program".Active
2025-05-08SponsoredS 1672 — Forest Protection and Wildland Firefighter Safety Act of 2025Proposed
2025-05-07Voted yea on “On the Joint Resolution S.J.Res. 13”Joint Resolution PassedSJRES 13 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Comptroller of the Currency of the Department of the Treasury relating to the review of applications under the Bank Merger Act.Passed 2025-06-20
2025-05-07SponsoredS 1646 — Rein in the Federal Reserve ActProposed
2025-05-06Voted yea on “On the Motion to Proceed H.J.Res. 60”Motion to Proceed Agreed toHJRES 60 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Park Service relating to "Glen Canyon National Recreation Area: Motor Vehicles".Passed 2025-05-23
2025-05-06Voted yea on “On the Motion to Proceed S.J.Res. 7”Motion to Proceed Agreed toSJRES 7 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Federal Communications Commission relating to "Addressing the Homework Gap Through the E-Rate Program".Active
2025-05-06Voted yea on “On the Nomination PN20”Nomination ConfirmedNo bill (motion or nomination)
2025-05-06Voted yea on “On the Motion to Proceed S.J.Res. 13”Motion to Proceed Agreed toSJRES 13 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Comptroller of the Currency of the Department of the Treasury relating to the review of applications under the Bank Merger Act.Passed 2025-06-20
2025-05-06Voted yea on “On the Joint Resolution H.J.Res. 61”Joint Resolution PassedHJRES 61 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "National Emission Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing".Passed 2025-05-23
2025-05-05Voted yea on “On the Motion to Proceed H.J.Res. 61”Motion to Proceed Agreed toHJRES 61 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "National Emission Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing".Passed 2025-05-23
2025-05-05SponsoredSRES 201 — A resolution expressing support for the designation of the week of May 4, 2025, through May 10, 2025, as "National Small Business Week" to celebrate the contributions of small businesses and entrepreneurs in every community in the United States.Passed 2025-05-05
2025-05-05SponsoredS 1017 — Safe and Secure Transportation of American Energy ActProposed
2025-05-05SponsoredSJRES 47 — 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 Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOx Regulation; Waiver of Preemption; Notice of Decision".Proposed
2025-05-01Voted yea on “On the Cloture Motion PN20”Cloture Motion Agreed toNo bill (motion or nomination)
2025-05-01Voted yea on “On the Joint Resolution S.J.Res. 31”Joint Resolution PassedSJRES 31 — 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 "Review of Final Rule Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act".Passed 2025-06-20
2025-05-01Voted yea on “On the Joint Resolution H.J.Res. 75”Joint Resolution PassedHJRES 75 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of Energy Efficiency and Renewable Energy, Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Commercial Refrigerators, Freezers, and Refrigerator-Freezers".Passed 2025-05-09
This score is a guide, not a verdict.