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Official portrait of Chuck Grassley

Chuck Grassley

U.S. Senator · Iowa

  • Republican
  • Since 1975
  • Tenure: 4+ terms

Refreshed 11 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
2026-01-27SponsoredSRES 586 — A resolution raising awareness and encouraging the prevention of stalking by designating January 2026 as "National Stalking Awareness Month".Passed 2026-02-09
2026-01-15Voted yea on “On Passage of the Bill H.R. 6938”Bill PassedHR 6938 — Commerce, Justice, Science; Energy and Water Development; and Interior and Environment Appropriations Act, 2026Passed 2026-01-23
2026-01-15Voted yea on “On the Cloture Motion H.R. 6938”Cloture Motion Agreed toHR 6938 — Commerce, Justice, Science; Energy and Water Development; and Interior and Environment Appropriations Act, 2026Passed 2026-01-23
2026-01-15SponsoredSRES 585 — A resolution honoring the life, achievements, and legacy of Ben Nighthorse Campbell.Passed 2026-01-15
2026-01-14Voted yea on “On the Point of Order S.J.Res. 98”Point of Order Well TakenSJRES 98 — A joint resolution to direct the removal of United States Armed Forces from hostilities within or against Venezuela that have not been authorized by Congress.Active
2026-01-13Voted nay on “On the Motion to Proceed S.J.Res. 84”Motion to Proceed RejectedSJRES 84 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Centers for Medicare & Medicaid Services relating to "Patient Protection and Affordable Care Act; Marketplace Integrity and Affordability".Active
2026-01-13SponsoredS 3627 — Pregnant Students’ Rights ActProposed
2026-01-12Voted yea on “On Cloture on the Motion to Proceed H.R. 6938”Cloture on the Motion to Proceed Agreed toHR 6938 — Commerce, Justice, Science; Energy and Water Development; and Interior and Environment Appropriations Act, 2026Passed 2026-01-23
2026-01-12SponsoredS 3614 — Internet Application I.D. ActProposed
2026-01-08Voted yea on “On the Nomination PN615-2”Nomination ConfirmedNo bill (motion or nomination)
2026-01-08Voted nay on “On the Motion to Discharge S.J.Res. 98”Motion to Discharge Agreed toSJRES 98 — A joint resolution to direct the removal of United States Armed Forces from hostilities within or against Venezuela that have not been authorized by Congress.Active
2026-01-08SponsoredSRES 579 — A resolution affirming the importance of the Social Security program to the people of the United States and expressing the sense of the Senate that Social Security must be preserved, protected, and strengthened for current and future generations.Passed 2026-01-08
2026-01-07Voted nay on “On the Motion to Proceed S.J.Res. 86”Motion to Proceed RejectedSJRES 86 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Air Plan Approval; South Dakota; Regional Haze Plan for the Second Implementation Period".Active
2026-01-06Voted yea on “On the Nomination PN373”Nomination ConfirmedNo bill (motion or nomination)
2026-01-06Voted yea on “On the Nomination PN499-11”Nomination ConfirmedNo bill (motion or nomination)
2026-01-05Voted yea on “On the Nomination PN12-1”Nomination ConfirmedNo bill (motion or nomination)
2025-12-18Voted yea on “On the Cloture Motion PN373”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-18Voted yea on “On the Cloture Motion PN615-2”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-18Voted yea on “On the Cloture Motion PN12-1”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-18Voted yea on “On the Cloture Motion PN499-11”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-18Voted yea on “On the Nomination PN416-9 and PN141-12 and PN499-12 and PN465-1 and PN345-14 and PN345-13 and PN345-10 and PN55-2 and PN624-2 and PN624-1 and PN379-17 and PN379-16 and PN416-6 and PN519-2 and PN445-3 and PN416-12 and PN55-7 and PN345-12 and PN465-2 and PN55-26 and PN55-10 and PN416-2 and PN379-20 and PN246-6 and PN560-3 and PN462-3 and PN462-1 and PN416-5 and PN518-5 and PN499-10 and PN499-2 and PN462-4 and PN141-10 and PN26-24 and PN445-10 and PN445-7 and PN445-2 and PN379-4 and PN246-12 and PN141-27 and PN141-8 and PN129-17 and PN129-1 and PN60-17 and PN60-11 and PN60-4 and PN22-11 and PN445-5 and PN466-9 and PN466-8 and PN466-7 and PN447 and PN141-5 and PN499-8 and PN345-8 and PN246-3 and PN246-11 and PN60-8 and PN445-11 and PN416-4 and PN379-15 and PN379-13 and PN379-11 and PN141-20 and PN141-25 and PN246-2 and PN26-47 and PN60-13 and PN26-26 and PN379-19 and PN445-1 and PN379-26 and PN379-22 and PN416-3 and PN379-9 and PN379-3 and PN379-18 and PN246-1 and PN141-14 and PN416-10 and PN379-21 and PN55-13 and PN129-6 and PN55-44 and PN141-39 and PN379-7 and PN246-13 and PN246-4 and PN141-26 and PN141-22 and PN141-16 and PN129-7 and PN60-12 and PN55-34 and PN141-2 and PN26-37 and PN25-29”Nomination ConfirmedNo bill (motion or nomination)
2025-12-18Voted nay on “On the Joint Resolution S.J.Res. 82”Joint Resolution DefeatedSJRES 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
2025-12-18SponsoredSRES 572 — A resolution honoring the service and sacrifice of United States Army Sergeant William Nathaniel Howard and United States Army Sergeant Edgar Brian Torres-Tovar, who were killed in action in Palmyra, Syria, in a targeted assault against United States service members on December 13, 2025.Passed 2025-12-18
2025-12-17Voted yea on “On the Cloture Motion PN25-29 and PN26-37 and PN141-2 and PN55-34 and PN60-12 and PN129-7 and PN141-16 and PN141-22 and PN141-26 and PN246-4 and PN246-13 and PN379-7 and PN141-39 and PN55-44 and PN129-6 and PN55-13 and PN379-21 and PN416-10 and PN141-14 and PN246-1 and PN379-18 and PN379-3 and PN379-9 and PN416-3 and PN379-22 and PN379-26 and PN445-1 and PN379-19 and PN26-26 and PN60-13 and PN26-47 and PN246-2 and PN141-25 and PN141-20 and PN379-11 and PN379-13 and PN379-15 and PN416-4 and PN445-11 and PN60-8 and PN246-11 and PN246-3 and PN345-8 and PN499-8 and PN141-5 and PN447 and PN466-7 and PN466-8 and PN466-9 and PN445-5 and PN22-11 and PN60-4 and PN60-11 and PN60-17 and PN129-1 and PN129-17 and PN141-8 and PN141-27 and PN246-12 and PN379-4 and PN445-2 and PN445-7 and PN445-10 and PN26-24 and PN141-10 and PN462-4 and PN499-2 and PN499-10 and PN518-5 and PN416-5 and PN462-1 and PN462-3 and PN560-3 and PN246-6 and PN379-20 and PN416-2 and PN55-10 and PN55-26 and PN465-2 and PN345-12 and PN55-7 and PN416-12 and PN445-3 and PN519-2 and PN416-6 and PN379-16 and PN379-17 and PN624-1 and PN624-2 and PN55-2 and PN345-10 and PN345-13 and PN345-14 and PN465-1 and PN499-12 and PN141-12 and PN416-9”Cloture Motion Agreed toNo bill (motion or nomination)
2025-12-17Voted yea on “On the Nomination PN645-2”Nomination ConfirmedNo bill (motion or nomination)
This score is a guide, not a verdict.