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Official portrait of Chuck Grassley

Chuck Grassley

U.S. Senator · Iowa

  • Republican
  • Since 1975
  • Tenure: 4+ terms

Refreshed 3 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

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Recent activity

DateActionPolicyStatus
2025-03-04SponsoredS 836 — Children and Teens’ Online Privacy Protection ActActive
2025-03-04SponsoredS 825 — Fighting Post-Traumatic Stress Disorder Act of 2025Active
2025-03-04SponsoredS 845 — Farmland Security Act of 2025Proposed
2025-03-03Voted yea on “On Cloture on the Motion to Proceed S. 9”Cloture on the Motion to Proceed RejectedS 9 — Protection of Women and Girls in Sports Act of 2025Proposed
2025-03-03Voted yea on “On the Nomination PN11-10”Nomination ConfirmedNo bill (motion or nomination)
2025-02-27Voted yea on “On the Cloture Motion PN11-10”Cloture Motion Agreed toNo bill (motion or nomination)
2025-02-27Voted yea on “On the Joint Resolution H.J.Res. 35”Joint Resolution PassedHJRES 35 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "Waste Emissions Charge for Petroleum and Natural Gas Systems: Procedures for Facilitating Compliance, Including Netting and Exemptions".Passed 2025-03-14
2025-02-27SponsoredS 556 — Enhanced Iran Sanctions Act of 2025Proposed
2025-02-27SponsoredS 768 — Invest to Protect Act of 2025Proposed
2025-02-26Voted yea on “On the Motion to Proceed S.J.Res. 12”Motion to Proceed Agreed toSJRES 12 — 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 "Waste Emissions Charge for Petroleum and Natural Gas Systems: Procedures for Facilitating Compliance, Including Netting and Exemptions".Active
2025-02-26Voted nay on “On the Joint Resolution S.J.Res. 10”Joint Resolution DefeatedSJRES 10 — A joint resolution terminating the national emergency declared with respect to energy.Failed
2025-02-26Voted yea on “On the Nomination PN11-17”Nomination ConfirmedNo bill (motion or nomination)
2025-02-26SponsoredS 554 — United States-Israel Defense Partnership Act of 2025Proposed
2025-02-26SponsoredS 736 — Lieutenant Osvaldo Albarati Stopping Prison Contraband ActActive
2025-02-26SponsoredS 752 — Accelerating Kids’ Access to Care ActProposed
2025-02-25Voted yea on “On the Motion to Proceed PN11-10”Motion to Proceed Agreed toNo bill (motion or nomination)
2025-02-25Voted yea on “On the Joint Resolution S.J.Res. 11”Joint Resolution PassedSJRES 11 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Ocean Energy Management relating to "Protection of Marine Archaeological Resources".Passed 2025-03-14
2025-02-25Voted yea on “On the Motion to Proceed S.J.Res. 11”Motion to Proceed Agreed toSJRES 11 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Ocean Energy Management relating to "Protection of Marine Archaeological Resources".Passed 2025-03-14
2025-02-25Voted yea on “On the Nomination PN12-12”Nomination ConfirmedNo bill (motion or nomination)
2025-02-24Voted yea on “On the Cloture Motion PN11-17”Cloture Motion Agreed toNo bill (motion or nomination)
2025-02-24Voted yea on “On the Cloture Motion PN12-12”Cloture Motion Agreed toNo bill (motion or nomination)
2025-02-24SponsoredS 685 — Stop Dangerous Sanctuary Cities ActProposed
2025-02-24SponsoredS 698 — Federal Prisons Accountability Act of 2025Proposed
2025-02-24SponsoredSRES 91 — A resolution acknowledging the third anniversary of Russia's further invasion of Ukraine and expressing support for the people of Ukraine.Proposed
2025-02-21Voted yea on “On the Concurrent Resolution S.Con.Res. 7”Concurrent Resolution Agreed toSCONRES 7 — An original concurrent resolution setting forth the congressional budget for the United States Government for fiscal year 2025 and setting forth the appropriate budgetary levels for fiscal years 2026 through 2034.Active
This score is a guide, not a verdict.