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Official portrait of Chuck Grassley

Chuck Grassley

U.S. Senator · Iowa

  • Republican
  • Since 1975
  • Tenure: 4+ terms

Refreshed 7 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
2026-04-14Voted yea on “On the Nomination PN787-3”Nomination ConfirmedNo bill (motion or nomination)
2026-04-14SponsoredSRES 669 — A resolution supporting the goals and ideals of "Deep Vein Thrombosis and Pulmonary Embolism Awareness Month".Passed 2026-04-14
2026-04-13Voted yea on “On the Cloture Motion PN787-3”Cloture Motion Agreed toNo bill (motion or nomination)
2026-04-02SponsoredS 4134 — Stop Insider Trading ActProposed
2026-03-26Voted yea on “On Cloture on the Motion to Proceed H.R. 7147”Cloture on the Motion to Proceed RejectedHR 7147 — Homeland Security and Further Additional Continuing Appropriations Act, 2026.Passed 2026-04-30
2026-03-26Voted yea on “On the Cloture Motion S.Amdt. 4732 to S.Amdt. 4420 to S. 1383 (No short title on file)”Cloture Motion RejectedNo bill (motion or nomination)
2026-03-26SponsoredS 4260 — Child Predators Accountability ActProposed
2026-03-25Voted nay on “On the Motion to Proceed S.J.Res. 103”Motion to Proceed RejectedSJRES 103 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Veterans Affairs relating to "Reproductive Health Services".Active
2026-03-25Voted yea on “On Cloture on the Motion to Proceed H.R. 7147”Cloture on the Motion to Proceed RejectedHR 7147 — Homeland Security and Further Additional Continuing Appropriations Act, 2026.Passed 2026-04-30
2026-03-25Voted nay on “On the Motion to Proceed S.J.Res. 107”Motion to Proceed RejectedSJRES 107 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Internal Revenue Service relating to "Beginning of Construction Requirements for Purposes of the Termination of Clean Electricity Production Credits and Clean Electricity Investment Credits for Applicable Wind and Solar Facilities".Active
2026-03-25SponsoredS 4189 — INSULIN Act of 2026Active
2026-03-25SponsoredS 3788 — CLEAR LABELS ActActive
2026-03-24Voted nay on “On the Motion to Discharge S.J.Res. 116”Motion to Discharge RejectedSJRES 116 — A joint resolution to direct the removal of United States Armed Forces from hostilities within or against the Islamic Republic of Iran that have not been authorized by Congress.Active
2026-03-24Voted yea on “On the Motion to Table S. 1383”Motion to Table Agreed toS 1383 — Veterans Accessibility Advisory Committee Act of 2025Active
2026-03-24Voted yea on “On the Motion to Table S. 1383”Motion to Table Agreed toS 1383 — Veterans Accessibility Advisory Committee Act of 2025Active
2026-03-24Voted yea on “On the Motion to Proceed PN697”Motion to Proceed Agreed toNo bill (motion or nomination)
2026-03-24Voted yea on “On the Nomination PN786-9”Nomination ConfirmedNo bill (motion or nomination)
2026-03-24SponsoredS 4168 — Livestock Consolidation Research Act of 2026Proposed
2026-03-23Voted yea on “On the Cloture Motion PN786-9”Cloture Motion Agreed toNo bill (motion or nomination)
2026-03-23Voted yea on “On the Nomination PN858”Nomination ConfirmedNo bill (motion or nomination)
2026-03-22Voted yea on “On the Cloture Motion PN858”Cloture Motion Agreed toNo bill (motion or nomination)
2026-03-21Voted nay on “On the Cloture Motion S. 1383”Cloture Motion RejectedS 1383 — Veterans Accessibility Advisory Committee Act of 2025Active
2026-03-21Voted yea on “On the Cloture Motion S.Amdt. 4421 to S.Amdt. 4420 to S. 1383 (No short title on file)”Cloture Motion RejectedNo bill (motion or nomination)
2026-03-20Voted yea on “On Cloture on the Motion to Proceed H.R. 7147”Cloture on the Motion to Proceed RejectedHR 7147 — Homeland Security and Further Additional Continuing Appropriations Act, 2026.Passed 2026-04-30
2026-03-19SponsoredSRES 653 — A resolution designating March 21, 2026, as "National Women in Agriculture Day".Passed 2026-03-19
This score is a guide, not a verdict.