Composite score - coming soon
Cynthia M. Lummis
U.S. Senator · Wyoming
- Republican
- Since 2021
- Tenure: 4+ terms
Refreshed 11 h ago
As of 2026-10-19 · Methodology 2026.10.1Contact 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 sourcesExplore this record
Scorecard
Voting Record
49.3/ 100
Ranked 22 of 52 in the Senate majority
Voting Record
49.3/ 100
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
Promise Adherence
0 of 5 promises scored
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
Recent activity
| Date | Action | Policy | Status |
|---|---|---|---|
| 2025-04-05 | Voted nay on “On the Amendment S.Amdt. 2177 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-05 | Voted nay on “On the Amendment S.Amdt. 1529 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-05 | Voted nay on “On the Amendment S.Amdt. 1693 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-05 | Voted nay on “On the Motion (Motion to Waive Section 305(b)(2) of the CBA re: Cortez Masto Amdt. No. 1690)”Motion Rejected | No bill (motion or nomination) | |
| 2025-04-05 | Voted nay on “On the Amendment S.Amdt. 2126 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-05 | Voted nay on “On the Amendment S.Amdt. 1644 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-05 | Voted nay on “On the Amendment S.Amdt. 2180 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 2186 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1760 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1646 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1774 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1884 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1466 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1310 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1726 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1645 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted nay on “On the Amendment S.Amdt. 1758 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-04-04 | Voted yea on “On the Amendment S.Amdt. 2035 to S.Amdt. 1717 to H.Con.Res. 14 (No short title on file)”Amendment Agreed to | No bill (motion or nomination) | |
| 2025-04-04 | Sponsored | SJRES 45 — 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 Pollution Control Standards; Advanced Clean Cars II; Waiver of Preemption; Notice of Decision". | Proposed |
| 2025-04-04 | Sponsored | SJRES 46 — 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 Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Waiver of Preemption; Notice of Decision". | Proposed |
| 2025-04-03 | Voted yea on “On the Nomination PN12-39”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-04-03 | Voted yea on “On the Motion to Proceed H.Con.Res. 14”Motion to Proceed Agreed to | HCONRES 14 — Establishing the congressional budget for the United States Government for fiscal year 2025 and setting forth the appropriate budgetary levels for fiscal years 2026 through 2034. | Passed 2025-04-05 |
| 2025-04-03 | Voted yea on “On the Nomination PN12-11”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-04-03 | Voted yea on “On the Nomination PN12-34”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-04-03 | Voted nay on “On the Motion to Discharge S.J.Res. 26”Motion to Discharge Rejected | SJRES 26 — A joint resolution providing for congressional disapproval of the proposed foreign military sale to Israel of certain defense articles and services. | Active |