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Official portrait of Chuck Grassley

Chuck Grassley

U.S. Senator · Iowa

  • Republican
  • Since 1975
  • Tenure: 4+ terms

Refreshed 13 h ago

As of 2026-10-19 · Methodology 2026.10.1

Contact 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 sources

Explore this record

Scorecard

Voting Record

71.2/ 100

Ranked 11 of 52 in the Senate majority

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

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

Impact History (coming soon)

0 of 10 matched votes

Collecting data - coming soon

How this score is calculated:

  • Matched votes

    0 of 10 needed

  • District opinion cells

    0 snapshots frozen

    Needs ≥ 25 verified respondents and a lean ≥ 0.15

Approval Rating

0 of 1 public poll on record

Collecting data - coming soon

How this score is calculated:

  • Public polls averaged

    0 of 1 needed

  • Polls on file for this officeholder

    None recorded yet

  • Most recent fieldwork

    No poll on record

Filter

Recent activity

DateActionPolicyStatus
2025-05-21Voted yea on “On the Point of Order S.J.Res. 55”Point of Order SustainedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted nay on “On the Motion to Adjourn S.J.Res. 55”Motion to Adjourn RejectedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted nay on “On the Motion (Motion to Recess for Ten Minutes)”Motion RejectedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted nay on “On the Motion (Motion to Recess for Fifteen Minutes)”Motion RejectedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted nay on “On the Motion (Motion to Recess for Thirty Minutes)”Motion RejectedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted nay on “On the Motion (Motion to Recess for 60 Minutes)”Motion RejectedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted nay on “On the Motion (Motion to Recess for Ninety Minutes)”Motion RejectedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted yea on “On the Motion to Table S.J.Res. 55”Motion to Table Agreed toSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted nay on “On the Motion to Table S.J.Res. 55”Motion to Table FailedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted yea on “On the Motion to Proceed S.J.Res. 55”Motion to Proceed Agreed toSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted yea on “On the Motion to Proceed S. 1582”Motion to Proceed Agreed toS 1582 — GENIUS ActPassed 2025-07-18
2025-05-21SponsoredS 1829 — STOP CSAM Act of 2025Active
2025-05-20SponsoredSRES 236 — A resolution calling for the return of abducted Ukrainian children before finalizing any peace agreement to end the war against Ukraine.Proposed
2025-05-20SponsoredS 1820 — Protecting Older Workers Against Discrimination ActProposed
2025-05-20SponsoredSRES 237 — A resolution honoring the service and memory of Army Staff Sgt. Jose Duenez Jr., Army Staff Sgt. Edvin F. Franco, Army Staff Sgt. Troy S. Knutson-Collins, and Army Pfc. Dante D. Taitano of the 1st Armored Brigade Combat Team, 3rd Infantry Division, who died during a recovery mission in support of a regularly scheduled training exercise while serving in Lithuania.Passed 2025-05-20
2025-05-19Voted yea on “On Cloture on the Motion to Proceed S. 1582”Cloture on the Motion to Proceed Agreed toS 1582 — GENIUS ActPassed 2025-07-18
2025-05-19Voted yea on “On the Nomination PN24-4”Nomination ConfirmedNo bill (motion or nomination)
2025-05-19Voted yea on “On the Cloture Motion PN24-4”Cloture Motion Agreed toNo bill (motion or nomination)
2025-05-19SponsoredS 539 — PROTECT Our Children Reauthorization Act of 2025Active
2025-05-15Voted nay on “On the Motion to Discharge S.Res. 195”Motion to Discharge RejectedSRES 195 — A resolution requesting information on El Salvador's human rights practices pursuant to section 502B(c) of the Foreign Assistance Act of 1961.Active
2025-05-15Voted yea on “On the Nomination PN25-11”Nomination ConfirmedNo bill (motion or nomination)
2025-05-15SponsoredS 1792 — AI Whistleblower Protection ActProposed
2025-05-14Voted yea on “On the Cloture Motion PN25-11”Cloture Motion Agreed toNo bill (motion or nomination)
2025-05-14Voted yea on “On the Nomination PN26-46”Nomination ConfirmedNo bill (motion or nomination)
2025-05-14Voted yea on “On the Cloture Motion PN26-46”Cloture Motion Agreed toNo bill (motion or nomination)
This score is a guide, not a verdict.