Composite score - coming soon
Cynthia M. Lummis
U.S. Senator · Wyoming
- Republican
- Since 2021
- Tenure: 4+ terms
Refreshed 19 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
2,129 days (180 needed)
Promise capture coverage
0 of 3 source kinds settled
What counts toward promise adherence
0 promises from 0 sources for this term · 0 scored · 0 aspirational, displayed but not scored. Scores start at 50 and move with evidence.
The adherence score is withheld until every check below is met; it never shows a zero for missing evidence.
- Not yet 5 scored promises · 0 of 5 so far
- Met 180 days in office · 2129 days so far
- Not yet Complete capture coverage · 0 of 3 source kinds settled
Capture checklist
The source kinds searched for this term's promises, so the score never rests on whichever promises happened to be collected.
- Not yet captured Campaign issues page
- Not yet captured Announcement or acceptance speech
- Not yet captured Debate transcript or candidate questionnaire
Weights and floors are methodology parameters; see how these are computed.
What counts toward effectiveness
41 substantive bills sponsored · 3 cosponsored bills enacted · 885 of 908 roll calls cast. Points by the furthest stage each sponsored bill reached: introduced 1, reported 2, passed a chamber 4, enacted 8; the highest-scoring bills are listed.
- S 284: Congressional Award Program Reauthorization Act · furthest stage enact (8 points)
- S 790: A bill to redesignate the National Historic Trails Interpretive Center in Casper, Wyoming, as the "Barbara L. Cubin National Historic Trails Interpretive Center". · furthest stage enact (8 points)
- S 2273: Wyoming Education Trust Modernization Act · furthest stage floor pass (4 points)
- S 1525: Common Cents Act · furthest stage floor pass (4 points)
- S 31: A bill to designate the mountain at the Devils Tower National Monument, Wyoming, as Devils Tower, and for other purposes. · furthest stage introduce (1 points)
- S 1672: Forest Protection and Wildland Firefighter Safety Act of 2025 · furthest stage introduce (1 points)
- S 715: No American Land for Communist China Act · furthest stage introduce (1 points)
- S 569: POSTAL Act · furthest stage introduce (1 points)
Roll-call attendance by session
- Senate 119-1: 637 of 659 roll calls cast, 22 not voting
- Senate 119-2: 248 of 256 roll calls cast, 1 not voting, 7 recorded leave of absence
Public opinion polls
The published surveys behind the Approval Rating, each with its pollster, dates and sample; job approval and favorability are different questions and are labeled as such.
No public approval survey on record for this office.