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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
2025-05-07SponsoredS 1666 — Improving Social Security’s Service to Victims of Identity Theft ActProposed
2025-05-07SponsoredS 1652 — Protecting Communities and Preserving the Second Amendment Act of 2025Proposed
2025-05-07SponsoredS 911 — Chief Herbert D. Proffitt Act of 2025Active
2025-05-06Voted yea on “On the Motion to Proceed H.J.Res. 60”Motion to Proceed Agreed toHJRES 60 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Park Service relating to "Glen Canyon National Recreation Area: Motor Vehicles".Passed 2025-05-23
2025-05-06Voted yea on “On the Motion to Proceed S.J.Res. 7”Motion to Proceed Agreed toSJRES 7 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Federal Communications Commission relating to "Addressing the Homework Gap Through the E-Rate Program".Active
2025-05-06Voted yea on “On the Nomination PN20”Nomination ConfirmedNo bill (motion or nomination)
2025-05-06Voted yea on “On the Motion to Proceed S.J.Res. 13”Motion to Proceed Agreed toSJRES 13 — 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 Comptroller of the Currency of the Department of the Treasury relating to the review of applications under the Bank Merger Act.Passed 2025-06-20
2025-05-06Voted yea on “On the Joint Resolution H.J.Res. 61”Joint Resolution PassedHJRES 61 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "National Emission Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing".Passed 2025-05-23
2025-05-06SponsoredS 1630 — MOMS ActProposed
2025-05-06SponsoredS 1610 — Tax-Free Pell Grant ActProposed
2025-05-06SponsoredSRES 206 — A resolution supporting the goals and ideals of National Nurses Week, to be observed from May 6 through May 12, 2025.Proposed
2025-05-05Voted yea on “On the Motion to Proceed H.J.Res. 61”Motion to Proceed Agreed toHJRES 61 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "National Emission Standards for Hazardous Air Pollutants: Rubber Tire Manufacturing".Passed 2025-05-23
2025-05-05SponsoredS 1589 — Immigration Parole Reform Act of 2025Proposed
2025-05-05SponsoredSRES 201 — A resolution expressing support for the designation of the week of May 4, 2025, through May 10, 2025, as "National Small Business Week" to celebrate the contributions of small businesses and entrepreneurs in every community in the United States.Passed 2025-05-05
2025-05-05SponsoredSRES 203 — A resolution expressing support for the designation of May 2025 as "Renewable Fuels Month" to recognize the important role that renewable fuels play in reducing carbon impacts, lowering fuel prices for consumers, supporting rural communities, and lessening reliance on foreign adversaries.Proposed
2025-05-01Voted yea on “On the Cloture Motion PN20”Cloture Motion Agreed toNo bill (motion or nomination)
2025-05-01Voted yea on “On the Joint Resolution S.J.Res. 31”Joint Resolution PassedSJRES 31 — 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 "Review of Final Rule Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act".Passed 2025-06-20
2025-05-01Voted yea on “On the Joint Resolution H.J.Res. 75”Joint Resolution PassedHJRES 75 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Office of Energy Efficiency and Renewable Energy, Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Commercial Refrigerators, Freezers, and Refrigerator-Freezers".Passed 2025-05-09
2025-05-01SponsoredS 1557 — Net Price Calculator Improvement ActProposed
2025-05-01SponsoredS 1558 — Understanding the True Cost of College Act of 2025Proposed
2025-05-01SponsoredS 1559 — Know Before You Owe Federal Student Loan Act of 2025Proposed
2025-05-01SponsoredS 1563 — Retired Law Enforcement Officers Continuing Service ActActive
2025-04-30Voted yea on “On the Motion to Proceed S.J.Res. 31”Motion to Proceed Agreed toSJRES 31 — 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 "Review of Final Rule Reclassification of Major Sources as Area Sources Under Section 112 of the Clean Air Act".Passed 2025-06-20
2025-04-30Voted yea on “On the Motion to Table S.J.Res. 49”Motion to Table Agreed toSJRES 49 — A joint resolution terminating the national emergency declared to impose global tariffs.Failed
2025-04-30Voted nay on “On the Joint Resolution S.J.Res. 49”Joint Resolution DefeatedSJRES 49 — A joint resolution terminating the national emergency declared to impose global tariffs.Failed
This score is a guide, not a verdict.