Composite score - coming soon
Chuck Grassley
U.S. Senator · Iowa
- Republican
- Since 1975
- Tenure: 4+ terms
Refreshed 5 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 |
|---|---|---|---|
| 2025-03-14 | Voted yea on “On the Cloture Motion PN12-36”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-14 | Voted yea on “On Passage of the Bill H.R. 1968”Bill Passed | HR 1968 — Full-Year Continuing Appropriations and Extensions Act, 2025 | Passed 2025-03-15 |
| 2025-03-14 | Voted nay on “On the Amendment S.Amdt. 1266 to H.R. 1968 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-03-14 | Voted nay on “On the Amendment S.Amdt. 1272 to H.R. 1968 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-03-14 | Voted nay on “On the Amendment S.Amdt. 1274 to H.R. 1968 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-03-14 | Voted nay on “On the Amendment S.Amdt. 1273 to H.R. 1968 (No short title on file)”Amendment Rejected | No bill (motion or nomination) | |
| 2025-03-14 | Voted yea on “On the Cloture Motion H.R. 1968”Cloture Motion Agreed to | HR 1968 — Full-Year Continuing Appropriations and Extensions Act, 2025 | Passed 2025-03-15 |
| 2025-03-14 | Voted yea on “On Passage of the Bill S. 331”Bill Passed | S 331 — HALT Fentanyl Act | Passed 2025-07-16 |
| 2025-03-14 | Voted yea on “On the Nomination PN12-16”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-14 | Voted yea on “On the Cloture Motion PN12-16”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-13 | Voted yea on “On the Nomination PN22-12”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-13 | Voted yea on “On the Cloture Motion S. 331”Cloture Motion Agreed to | S 331 — HALT Fentanyl Act | Passed 2025-07-16 |
| 2025-03-13 | Voted yea on “On the Cloture Motion PN22-12”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-13 | Voted yea on “On the Nomination PN13-12”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-13 | Voted yea on “On the Cloture Motion PN13-12”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-13 | Sponsored | S 1057 — A bill to modify the requirements for transfers of United States defense articles and defense services among the Baltic states. | Proposed |
| 2025-03-13 | Sponsored | S 1049 — Preventing Child Trafficking Act of 2025 | Active |
| 2025-03-13 | Sponsored | S 1064 — FOCA Act | Proposed |
| 2025-03-13 | Sponsored | S 1040 — Drug Competition Enhancement Act | Active |
| 2025-03-13 | Sponsored | S 1041 — Affordable Prescriptions for Patients Act | Active |
| 2025-03-13 | Sponsored | S 339 — A bill to amend title XVIII of the Social Security Act to provide for Medicare coverage of multi-cancer early detection screening tests. | Proposed |
| 2025-03-12 | Voted yea on “On the Nomination PN12-42”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-12 | Voted yea on “On the Cloture Motion PN12-42”Cloture Motion Agreed to | No bill (motion or nomination) | |
| 2025-03-12 | Voted yea on “On the Nomination PN19”Nomination Confirmed | No bill (motion or nomination) | |
| 2025-03-12 | Voted yea on “On the Cloture Motion PN19”Cloture Motion Agreed to | No bill (motion or nomination) |