Composite score - coming soon
Chuck Grassley
U.S. Senator · Iowa
- Republican
- Since 1975
- Tenure: 4+ terms
Refreshed 20 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 |
|---|---|---|---|
| 2025-08-01 | Voted yea on “On the Amendment S.Amdt. 3411 to H.R. 3944 (No short title on file)”Amendment Agreed to | No bill (motion or nomination) | |
| 2025-08-01 | Voted nay on “On the Amendment S.Amdt. 3428 to S.Amdt. 3411 to H.R. 3944 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-08-01 | Voted nay on “On the Amendment S.Amdt. 3113 to S.Amdt. 3411 to H.R. 3944 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-08-01 | Voted nay on “On the Amendment S.Amdt. 3414 to S.Amdt. 3411 to H.R. 3944 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-08-01 | Voted nay on “On the Amendment S.Amdt. 3466 to S.Amdt. 3411 to H.R. 3944 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-08-01 | Voted nay on “On the Amendment S.Amdt. 3115 to S.Amdt. 3411 to H.R. 3944 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-08-01 | Voted nay on “On the Amendment S.Amdt. 3447 to S.Amdt. 3411 to H.R. 3944 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-08-01 | Voted nay on “On the Motion (Motion to Waive All Applicable Budgetary Points of Order Re: Merkley Amdt. No. 3114)”Motion Rejected | No bill (motion or nomination) | |
| 2025-08-01 | Voted yea on “On the Cloture Motion PN55-36”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-08-01 | Voted yea on “On the Nomination PN25-35”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-08-01 | Voted yea on “On the Nomination PN13-11”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-08-01 | Voted yea on “On the Cloture Motion PN13-11”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-08-01 | Sponsored | S 2649 — Psychiatric Hospital Inspection Transparency Act of 2025 | Proposed |
| 2025-08-01 | Sponsored | SRES 364 — A resolution recognizing the 20th anniversary of the Renewable Fuel Standard and its foundational role in strengthening American energy security, supporting rural communities, growing the United States economy, and improving environmental performance. | Proposed |
| 2025-08-01 | Sponsored | S 2677 — A bill to expand the sharing of information with respect to suspected violations of intellectual property rights in trade. | Active |
| 2025-07-31 | Voted yea on “On the Cloture Motion PN25-26”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Cloture Motion PN26-49”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Cloture Motion PN13-11”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Nomination PN55-28”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Nomination PN26-25”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Cloture Motion PN55-28”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Nomination PN141-30”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Nomination PN26-42”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Nomination PN25-8”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-07-31 | Voted yea on “On the Cloture Motion PN141-30”Cloture Motion Agreed to | No bill (motion or nomination) |