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Official portrait of Cynthia M. Lummis

Cynthia M. Lummis

Republican · Holds US Senate, Wyoming
Served
US House WY-AL, 2009 to 2017
99.9%
Votes with own party · of 814 split votes
915
Roll calls · 119th Congress
13
Years in Congress
72
Age
9
Races won · in our records
0
Races lost · in our records

Vote data: Voteview. Through Sept 30, 2026.

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Spectrum

1 published measure

The marker is the one published measure below. The middle means centrist on that measure’s own scale, not the middle of Congress. How this works

By donors (CFscore, 2024 cycle)

Research estimate from Stanford DIME 4.0. Source

Method and limits

Published score 1.139 on a scale from −2.0 to 2.0, where 0 is the center. 584 donors. License: ODC-BY 1.0.

Places a candidate by who gave them money; candidates who share donors sit close together.

Reflects the donor network, not votes or views, and comes from past cycles, not a 2026 reading.

Now

Open the seat

Career

Newest first
YearRaceResultShareLost to, or other round
2020US Senate, WYWon · primary won 59.7%72.8%
2014US House, WY-ALWon68.5%
2012US House, WY-ALWon68.9%
2010US House, WY-ALWon70.4%
2008US House, WY-ALWon52.6%
2002State Treasurer, WYWon
1998State Treasurer, WYWon
1992State Senate, WYWon52.9%
Earlier races (1 more race)
YearRaceResultShareLost to, or other round
1990State House, WYWon

Filed with the FEC, no race in our files: 2026 US Senate, WY; 2016 US House, WY-AL.

This is the record in our results files, FEC candidate lists and DIME, not a complete career. Results for other offices, earlier years and most primaries can be missing. A general that went to a runoff counts as neither a win nor a loss.

Senate votes

119th Congress, through Sept 30, 2026

915 roll calls. Yea 655, Nay 230, Not voting 30.

Roll calls missed
3.3%
Voted with own party when parties split
99.9%
How these are counted

Missed is Not Voting divided by every roll call the member was listed on, including quorum calls and procedural votes. It covers any absence, including illness and leave.

Party split: a roll call counts when the Democratic majority and the Republican majority voted opposite ways. That was 814 roll calls, and the member matched their own party on 813. We pick no votes ourselves.

Senate votes come from Voteview. Lewis, Jeffrey B., Keith Poole, Howard Rosenthal, Adam Boche, Aaron Rudkin, and Luke Sonnet (2026). Voteview: Congressional Roll-Call Votes Database. https://voteview.com/

Showing the newest 8 of 915

  1. Sep 30, 2026 · Senate roll call 256

    On the Nomination · PN1129

    Keith Sonderling, of Florida, to be Secretary of Labor

    Vote: YeaNomination Confirmed, 47 to 41

    Official roll call (opens the Senate record)

  2. Sep 30, 2026 · Senate roll call 255

    On the Cloture Motion · PN1129

    Keith Sonderling, of Florida, to be Secretary of Labor

    Vote: YeaCloture Motion Agreed to, 53 to 47

    Official roll call (opens the Senate record)

  3. Sep 30, 2026 · Senate roll call 254

    On Cloture on the Motion to Proceed · HR9340

    A bill to amend the Public Utility Regulatory Policies Act of 1978 to establish a Federal standard relating to the recovery of the full, incremental costs of upgrades that serve large-load customers, and for other purposes.

    Vote: YeaCloture on the Motion to Proceed Rejected, 57 to 43

    Official roll call (opens the Senate record)

  4. Sep 30, 2026 · Senate roll call 253

    On Cloture on the Motion to Proceed · HR7008

    A bill to amend chapter 131 of title 5 to require certain restrictions on stocks for Members of Congress and their spouses and dependents, and for other purposes.

    Vote: YeaCloture on the Motion to Proceed Rejected, 53 to 47

    Official roll call (opens the Senate record)

  5. Sep 29, 2026 · Senate roll call 252

    On the Motion to Discharge · SRES852

    A resolution requesting information on Israel's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961.

    Vote: NayMotion to Discharge Rejected, 47 to 51

    Official roll call (opens the Senate record)

  6. Sep 29, 2026 · Senate roll call 251

    On the Motion to Proceed · SJRES197

    A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services of the Department of Health and Human Services relating to "Patient Protection and Affordable Care Act, HHS Notice of Benefit and Payment Parameters for 2027; and Basic Health Program".

    Vote: NayMotion to Proceed Rejected, 48 to 51

    Official roll call (opens the Senate record)

  7. Sep 28, 2026 · Senate roll call 250

    On Passage of the Bill · S4668

    A bill to protect the name, image, and likeness rights of, and provide protections for, student athletes and to promote fair competition among intercollegiate athletics, and for other purposes.

    Vote: YeaBill Passed, 77 to 22

    Official roll call (opens the Senate record)

  8. Sep 28, 2026 · Senate roll call 249

    On the Amendment · S4668

    To establish certain standards with respect to coaches of varsity sports teams.

    Vote: NayAmendment Rejected, 47 to 52

    Official roll call (opens the Senate record)

Legislation

119th Congress, congress.gov, as of Oct 30, 2026

Sponsored 41 bills and 7 resolutions. Cosponsored 272 bills and 82 resolutions. Amendments are not counted.

Latest bills Cynthia M. Lummis sponsored

More about Cynthia M. Lummis

Offices held (5 terms and offices)

  • 2021 to nowUS SenateRepublican
  • 2009 to 2016US House, Wyoming at-largeRepublican

Committees (12 assignments)

  • Senate Committee on Banking, Housing, and Urban Affairs

    • Financial Institutions and Consumer Protection subcommittee
    • Securities, Insurance, and Investment subcommittee
    • Chairman of the Digital Assets subcommittee

  • Senate Committee on Commerce, Science, and Transportation

    • Telecommunications and Media subcommittee
    • Consumer Protection, Technology, and Data Privacy subcommittee
    • Science, Manufacturing, and Competitiveness subcommittee

  • Senate Committee on Environment and Public Works

    • Chairman of the Clean Air, Climate, and Nuclear Innovation and Safety subcommittee
    • Fisheries, Water, and Wildlife subcommittee
    • Transportation and Infrastructure subcommittee

Sources (11 sources)

  • Age: unitedstates/congress-legislators (CC0), official birthday field, counted to Nov 3, 2026. We show the age, never the birth date.
  • Took office in Congress 2009-01-06. Basis: congress-legislators terms (CC0).

Officials files, 2026 candidate files, returns files, DIME, FEC candidate master and congress-legislators terms, as of 2026-10-29. Nothing about jobs, retirement, or reasons is recorded or inferred.

DataDownload votes (JSON)Sources: Voteview, congress.gov, DIME (ODC-BY), Results filesData as of Oct 29, 2026Photo credits