Composite score - coming soon
Chuck Grassley
U.S. Senator · Iowa
- Republican
- Since 1975
- Tenure: 4+ terms
Refreshed 12 h ago
As of 2026-10-19 · Methodology 2026.10.1Contact info
Capitol office
135 Hart Senate Office Building Washington DC 20510
202-224-3744
District offices
Cedar Rapids · Council Bluffs · Davenport · Des Moines · Sioux City · Waterloo
View all contact info
- Official website
- Biographical Directory of Congress
- GovTrack
- Capitol office: 135 Hart Senate Office Building Washington DC 20510 · 202-224-3744
- 111 7th Avenue SE, Box 13, Suite 6800, Cedar Rapids, IA, 52401 · 319-363-6832
- 2146 27th Avenue, Suite 550, Council Bluffs, IA, 51501 · 712-322-7103
- 201 W. 2nd St., Suite 720, Davenport, IA, 52801 · 563-322-4331
- 210 Walnut St., 721, Federal Building, Des Moines, IA, 50309 · 515-288-1145
- 320 6th St., 120, Federal Building, Sioux City, IA, 51101 · 712-233-1860
- 531 Commercial St., 210, Waterloo Building, Waterloo, IA, 50701 · 319-232-6657
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
71.2/ 100
Ranked 11 of 52 in the Senate majority
Voting Record
71.2/ 100
How this score is calculated:
Roll calls cast
891 of 905 while seated (98.5%)
51st percentile in cohort · 30 % weight
Substantive bills sponsored
67 of 67 sponsored · 96.1 points
80th percentile in cohort · 70 % weight
Bills enacted
0 sponsored · 7 cosponsored
8 passed a chamber · 3 reported · 56 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
1,400 days (180 needed)
Promise capture coverage
0 of 3 source kinds settled
Recent activity
| Date | Action | Policy | Status |
|---|---|---|---|
| 2025-12-17 | Recorded leave of absence on “On the Cloture Motion PN645-2”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-12-17 | Recorded leave of absence on “On the Nomination PN650”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-12-17 | Recorded leave of absence on “On the Cloture Motion PN650”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-12-17 | Recorded leave of absence on “On the Motion (Motion to Concur in the House Amendment to S. 1071)”Motion Agreed to | S 1071 — National Defense Authorization Act for Fiscal Year 2026 | Passed 2025-12-18 |
| 2025-12-17 | Sponsored | S 3543 — Trade Cheating Restitution Act of 2025 | Proposed |
| 2025-12-17 | Sponsored | S 3549 — PBM FAIR Act | Proposed |
| 2025-12-17 | Sponsored | S 3546 — Sunset Section 230 Act | Proposed |
| 2025-12-15 | Voted yea on “On the Cloture Motion S. 1071”Cloture Motion Agreed to | S 1071 — National Defense Authorization Act for Fiscal Year 2026 | Passed 2025-12-18 |
| 2025-12-15 | Sponsored | S 3483 — A bill to amend title 18, United States Code, to prohibit the consideration of acquitted conduct at sentencing. | Proposed |
| 2025-12-15 | Sponsored | S 3484 — A bill to amend section 3634 of title 18, United States Code, to extend the period for First Step Act reports. | Proposed |
| 2025-12-15 | Sponsored | S 3481 — SAFER SKIES Act | Proposed |
| 2025-12-15 | Sponsored | S 3485 — Safer Detention Act of 2025 | Proposed |
| 2025-12-15 | Sponsored | S 3482 — First Step Implementation Act of 2025 | Proposed |
| 2025-12-11 | Voted yea on “On the Motion to Proceed S. 1071”Motion to Proceed Agreed to | S 1071 — National Defense Authorization Act for Fiscal Year 2026 | Passed 2025-12-18 |
| 2025-12-11 | Voted yea on “On the Resolution S.Res. 532”Resolution Agreed to | SRES 532 — An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar. | Passed 2025-12-11 |
| 2025-12-11 | Voted nay on “On the Cloture Motion S. 3385”Cloture Motion Rejected | S 3385 — Lower Health Care Costs Act | Proposed |
| 2025-12-11 | Voted yea on “On the Cloture Motion S. 3386”Cloture Motion Rejected | S 3386 — Health Care Freedom for Patients Act of 2025 | Proposed |
| 2025-12-10 | Voted yea on “On the Cloture Motion S.Res. 532”Cloture Motion Agreed to | SRES 532 — An executive resolution authorizing the en bloc consideration in Executive Session of certain nominations on the Executive Calendar. | Passed 2025-12-11 |
| 2025-12-10 | Voted nay on “On the Motion to Proceed S.J.Res. 82”Motion to Proceed Agreed to | SJRES 82 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of the Secretary of the Department of Health and Human Services relating to "Policy on Adhering to the Text of the Administrative Procedure Act". | Failed |
| 2025-12-10 | Sponsored | S 3416 — Safeguarding U.S. Rulemaking Act | Proposed |
| 2025-12-09 | Voted yea on “On the Nomination PN466-5”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-12-09 | Voted yea on “On the Cloture Motion PN466-5”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-12-09 | Voted yea on “On the Nomination PN615-1”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-12-09 | Voted yea on “On the Cloture Motion PN615-1”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-12-09 | Voted yea on “On the Nomination PN466-1”Nomination Confirmed | No bill (motion or nomination) |