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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
2025-04-03Voted yea on “On the Joint Resolution H.J.Res. 24”Joint Resolution PassedHJRES 24 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Walk-In Coolers and Walk-In Freezers".Passed 2025-05-09
2025-04-03SponsoredS 1273 — Combatting Money Laundering in Cyber Crime Act of 2025Proposed
2025-04-03SponsoredS 1296 — DETERRENT ActProposed
2025-04-03SponsoredS 1272 — Trade Review Act of 2025Proposed
2025-04-03SponsoredS 1300 — Project Safe Neighborhoods Reauthorization Act of 2025Proposed
2025-04-02Voted yea on “On the Motion to Proceed H.J.Res. 24”Motion to Proceed Agreed toHJRES 24 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Department of Energy relating to "Energy Conservation Program: Energy Conservation Standards for Walk-In Coolers and Walk-In Freezers".Passed 2025-05-09
2025-04-02Voted nay on “On the Joint Resolution S.J.Res. 37”Joint Resolution PassedSJRES 37 — A joint resolution terminating the national emergency declared to impose duties on articles imported from Canada.Active
2025-04-02Voted yea on “On the Cloture Motion PN12-11”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-02Voted yea on “On the Cloture Motion PN12-39”Cloture Motion Agreed toNo bill (motion or nomination)
2025-04-02SponsoredS 1261 — CONNECT for Health Act of 2025Proposed
2025-04-01Voted yea on “On the Nomination PN25-56”Nomination ConfirmedNo bill (motion or nomination)
2025-04-01SponsoredSRES 153 — A resolution designating March 27, 2025, as "National Women in Agriculture Day".Passed 2025-04-01
2025-04-01SponsoredS 1241 — Sanctioning Russia Act of 2025Proposed
2025-03-31Voted yea on “On the Cloture Motion PN25-56”Cloture Motion Agreed toNo bill (motion or nomination)
2025-03-31SponsoredS 1206 — Judicial Relief Clarification Act of 2025Proposed
2025-03-27Voted yea on “On the Nomination PN13-9”Nomination ConfirmedNo bill (motion or nomination)
2025-03-27Voted yea on “On the Cloture Motion PN13-9”Cloture Motion Agreed toNo bill (motion or nomination)
2025-03-27Voted yea on “On the Joint Resolution S.J.Res. 18”Joint Resolution PassedSJRES 18 — A joint resolution disapproving the rule submitted by the Bureau of Consumer Financial Protection relating to "Overdraft Lending: Very Large Financial Institutions".Passed 2025-05-09
2025-03-27SponsoredSRES 148 — A resolution honoring the life of the Honorable Alan K. Simpson, former Senator for the State of Wyoming.Passed 2025-03-27
2025-03-27SponsoredS 1164 — Increasing Access to Dental Insurance ActProposed
2025-03-27SponsoredSRES 145 — A resolution protecting the Iranian political refugees, including female former political prisoners, in Ashraf-3 in Albania.Proposed
2025-03-26Voted yea on “On the Motion to Proceed S.J.Res. 18”Motion to Proceed Agreed toSJRES 18 — A joint resolution disapproving the rule submitted by the Bureau of Consumer Financial Protection relating to "Overdraft Lending: Very Large Financial Institutions".Passed 2025-05-09
2025-03-26Voted yea on “On the Joint Resolution H.J.Res. 25”Joint Resolution PassedHJRES 25 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Internal Revenue Service relating to "Gross Proceeds Reporting by Brokers That Regularly Provide Services Effectuating Digital Asset Sales".Passed 2025-04-10
2025-03-26Voted yea on “On the Motion to Proceed H.J.Res. 25”Motion to Proceed Agreed toHJRES 25 — Providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Internal Revenue Service relating to "Gross Proceeds Reporting by Brokers That Regularly Provide Services Effectuating Digital Asset Sales".Passed 2025-04-10
2025-03-26Voted yea on “On the Nomination PN12-15”Nomination ConfirmedNo bill (motion or nomination)
This score is a guide, not a verdict.