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Official portrait of Cynthia M. Lummis

Cynthia M. Lummis

U.S. Senator · Wyoming

  • Republican
  • Since 2021
  • Tenure: 4+ terms

Refreshed 6 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
2026-04-16SponsoredS 567 — First Rhode Island Regiment Congressional Gold Medal ActActive
2026-04-16SponsoredS 4317 — No Licenses for Illegal Drivers or Truckers Act of 2026Proposed
2026-04-15Voted yea on “On the Motion to Proceed H.J.Res. 140”Motion to Proceed Agreed toHJRES 140 — 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 Public Land Order No. 7917 for Withdrawal of Federal Lands; Cook, Lake, and Saint Louis Counties, MN.Passed 2026-04-27
2026-04-15Voted yea on “On the Motion to Table H.J.Res. 140”Motion to Table Agreed toHJRES 140 — 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 Public Land Order No. 7917 for Withdrawal of Federal Lands; Cook, Lake, and Saint Louis Counties, MN.Passed 2026-04-27
2026-04-15Voted nay on “On the Motion to Discharge S.J.Res. 138”Motion to Discharge RejectedSJRES 138 — A joint resolution providing for congressional disapproval of the proposed foreign military sale to the Government of Israel of certain defense articles and services.Active
2026-04-15Recorded leave of absence on “On the Motion to Discharge S.J.Res. 32”Motion to Discharge RejectedSJRES 32 — A joint resolution providing for congressional disapproval of the proposed foreign military sale to the Government of Israel of certain defense articles and services.Active
2026-04-15Voted nay on “On the Motion to Discharge S.J.Res. 123”Motion to Discharge RejectedSJRES 123 — 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
2026-04-15SponsoredS 4280 — SAFE ActProposed
2026-04-15SponsoredS 1039 — PARTS Act of 2025Proposed
2026-04-14Voted yea on “On the Nomination PN787-5”Nomination ConfirmedNo bill (motion or nomination)
2026-04-14Voted yea on “On the Cloture Motion PN787-5”Cloture Motion Agreed toNo bill (motion or nomination)
2026-04-14Voted yea on “On the Nomination PN787-3”Nomination ConfirmedNo bill (motion or nomination)
2026-04-13Voted yea on “On the Cloture Motion PN787-3”Cloture Motion Agreed toNo bill (motion or nomination)
2026-04-02SponsoredS 4134 — Stop Insider Trading ActProposed
2026-03-26Voted yea on “On Cloture on the Motion to Proceed H.R. 7147”Cloture on the Motion to Proceed RejectedHR 7147 — Homeland Security and Further Additional Continuing Appropriations Act, 2026.Passed 2026-04-30
2026-03-26Voted yea on “On the Cloture Motion S.Amdt. 4732 to S.Amdt. 4420 to S. 1383 (No short title on file)”Cloture Motion RejectedNo bill (motion or nomination)
2026-03-26SponsoredS 4255 — Expedited Disability Insurance Payments for Terminally Ill Individuals Act of 2026Proposed
2026-03-26SponsoredS 4224 — Dalilah’s Law ActProposed
2026-03-26SponsoredS 4249 — FARM Stability ActProposed
2026-03-26SponsoredS 4251 — Mined in America Act of 2026Proposed
2026-03-26SponsoredS 4267 — Strengthening American Nuclear Energy Act of 2026Proposed
2026-03-25Voted nay on “On the Motion to Proceed S.J.Res. 103”Motion to Proceed RejectedSJRES 103 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Veterans Affairs relating to "Reproductive Health Services".Active
2026-03-25Voted yea on “On Cloture on the Motion to Proceed H.R. 7147”Cloture on the Motion to Proceed RejectedHR 7147 — Homeland Security and Further Additional Continuing Appropriations Act, 2026.Passed 2026-04-30
2026-03-25Voted nay on “On the Motion to Proceed S.J.Res. 107”Motion to Proceed RejectedSJRES 107 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Internal Revenue Service relating to "Beginning of Construction Requirements for Purposes of the Termination of Clean Electricity Production Credits and Clean Electricity Investment Credits for Applicable Wind and Solar Facilities".Active
2026-03-25SponsoredSRES 661 — A resolution recognizing the 205th anniversary of the independence of Greece and celebrating democracy in Greece and the United States.Passed 2026-03-25
This score is a guide, not a verdict.