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Official portrait of Cynthia M. Lummis

Cynthia M. Lummis

U.S. Senator · Wyoming

  • Republican
  • Since 2021
  • Tenure: 4+ terms

Refreshed 22 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

    2,129 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
2026-08-06SponsoredSRES 826 — A resolution honoring the contributions of small manufacturers of firearms to the economy, culture, and recreational heritage of the United States and recognizing the month of August 2026 as "National Shooting Sports Month".Proposed
2026-08-05Voted nay on “On the Motion to Proceed S.J.Res. 187”Motion to Proceed RejectedSJRES 187 — 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 "Modification to the Start of the Submission Period for Perfluoroalkyl and Polyfluoroalkyl Substances (PFAS) Reporting and Recordkeeping Under TSCA 8(a)(7)".Active
2026-08-05Voted yea on “On the Cloture Motion PN961-1 and PN937-5 and PN901-1 and PN730-38 and PN962-3 and PN931-6 and PN1022-25 and PN806-5 and PN1022-10 and PN1012 and PN931-5 and PN931-4 and PN937-2 and PN1022-22 and PN962-1 and PN961-4 and PN901-3 and PN806-7 and PN730-23 and PN1022-7 and PN1022-6 and PN961-3 and PN937-9 and PN937-8 and PN937-7 and PN1022-34 and PN1022-31 and PN1022-15 and PN1022-9 and PN1022-8 and PN1022-3 and PN961-9 and PN931-2 and PN1093-2 and PN1093-1 and PN1011 and PN961-2 and PN930-8 and PN930-6 and PN930-5 and PN930-1 and PN901-12 and PN901-2 and PN850 and PN787-2 and PN730-18 and PN730-2 and PN933 and PN852-3 and PN806-2 and PN961-7 and PN901-7 and PN901-6 and PN792 and PN786-10 and PN931-3 and PN730-59 and PN786-5 and PN937-1 and PN901-11 and PN859-5 and PN730-36 and PN901-5 and PN859-2 and PN859-1 and PN901-10 and PN852-11 and PN852-9 and PN859-6 and PN852-6 and PN852-5 and PN852-2 and PN806-9 and PN730-11”Cloture Motion Agreed toNo bill (motion or nomination)
2026-08-05Voted yea on “On the Nomination PN932”Nomination ConfirmedNo bill (motion or nomination)
2026-08-05Voted yea on “On the Cloture Motion PN932”Cloture Motion Agreed toNo bill (motion or nomination)
2026-08-05SponsoredS 5249 — MORE American Fuel Act of 2026Active
2026-08-05SponsoredSJRES 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".Proposed
2026-08-05SponsoredSJRES 206 — 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 Pollution Control Standards; Notice of Decision Granting a Waiver of Clean Air Act Preemption for California's 2009 and Subsequent Model Year Greenhouse Gas Emission Standards for New Motor Vehicles".Proposed
2026-08-05SponsoredSJRES 207 — 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 Pollution Control Standards; Notice of Decision Granting a Waiver of Clean Air Act Preemption for California's Advanced Clean Car Program and a Within the Scope Conformation for California's Zero Emission Vehicle Amendments for 2017 and Earlier Model Years".Proposed
2026-08-05SponsoredSJRES 208 — 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 Pollution Control Standards; Advanced Clean Car Program; Reconsideration of a Previous Withdrawal of a Waiver of Preemption; Notice of Decision".Proposed
2026-08-03Voted yea on “On Cloture on the Motion to Proceed H.R. 6500”Cloture on the Motion to Proceed Agreed toHR 6500 — Continuing Appropriations and Extensions Act, 2027Passed 2026-09-02
2026-08-03SponsoredS 4931 — End EPA Abuse Act of 2026Proposed
2026-07-30Voted yea on “On the Resolution S.Res. 817”Resolution Agreed toSRES 817 — An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.Passed 2026-07-30
2026-07-30Voted nay on “On the Motion to Discharge S.J.Res. 181”Motion to Discharge RejectedSJRES 181 — A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.Active
2026-07-30Voted nay on “On the Motion to Proceed S.J.Res. 199”Motion to Proceed RejectedSJRES 199 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Health and Human Services relating to "Restoring Flexibility in the Child Care and Development Fund (CCDF)".Active
2026-07-30SponsoredS 5179 — Title IX Clarification Act of 2026Proposed
2026-07-30SponsoredS 5202 — Protecting Our Kids from Harmful Research ActProposed
2026-07-29Voted yea on “On the Cloture Motion S.Res. 817”Cloture Motion Agreed toSRES 817 — An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar.Passed 2026-07-30
2026-07-29Voted yea on “On the Motion to Proceed H.R. 5334”Motion to Proceed Agreed toHR 5334 — Lindsey O. Graham Sanctioning Russia and Iran Act of 2026Passed 2026-09-18
2026-07-29SponsoredS 3101 — SAFE KIDS ActProposed
2026-07-28Voted yea on “On Cloture on the Motion to Proceed H.R. 5334”Cloture on the Motion to Proceed Agreed toHR 5334 — Lindsey O. Graham Sanctioning Russia and Iran Act of 2026Passed 2026-09-18
2026-07-28Voted yea on “On the Nomination PN1092”Nomination ConfirmedNo bill (motion or nomination)
2026-07-27Voted yea on “On the Cloture Motion PN1092”Cloture Motion Agreed toNo bill (motion or nomination)
2026-07-23Voted yea on “On the Nomination PN999-5”Nomination ConfirmedNo bill (motion or nomination)
2026-07-23Voted yea on “On the Nomination PN999-6”Nomination ConfirmedNo bill (motion or nomination)
This score is a guide, not a verdict.