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Official portrait of Chuck Grassley

Chuck Grassley

U.S. Senator · Iowa

  • Republican
  • Since 1975
  • Tenure: 4+ terms

Refreshed 15 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
2025-10-30SponsoredS 3087 — Stop Pills That Kill ActProposed
2025-10-29Voted nay on “On the Joint Resolution S.J.Res. 77”Joint Resolution PassedSJRES 77 — A joint resolution terminating the national emergency declared to impose duties on articles imported from Canada.Active
2025-10-29Voted yea on “On the Motion to Proceed S.J.Res. 69”Motion to Proceed RejectedSJRES 69 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the United States Fish and Wildlife Service relating to "Record of Decision for the Barred Owl Management Strategy; Washington, Oregon, and California".Active
2025-10-29Voted yea on “On the Nomination PN466-2”Nomination ConfirmedNo bill (motion or nomination)
2025-10-29Voted yea on “On the Motion to Proceed S.J.Res. 80”Motion to Proceed Agreed toSJRES 80 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Bureau of Land Management relating to "National Petroleum Reserve in Alaska Integrated Activity Plan Record of Decision".Passed 2025-12-05
2025-10-28Voted nay on “On the Joint Resolution S.J.Res. 81”Joint Resolution PassedSJRES 81 — A joint resolution terminating the national emergency declared to impose duties on articles imported from Brazil.Active
2025-10-28Voted yea on “On the Cloture Motion PN466-2”Cloture Motion Agreed toNo bill (motion or nomination)
2025-10-28Voted yea on “On the Nomination PN346-6”Nomination ConfirmedNo bill (motion or nomination)
2025-10-28Voted yea on “On the Cloture Motion PN346-6”Cloture Motion Agreed toNo bill (motion or nomination)
2025-10-28Voted yea on “On Cloture on the Motion to Proceed H.R. 5371”Cloture on the Motion to Proceed RejectedHR 5371 — Continuing Appropriations, Agriculture, Legislative Branch, Military Construction and Veterans Affairs, and Extensions Act, 2026Passed 2025-11-12
2025-10-27Voted yea on “On the Nomination PN466-3”Nomination ConfirmedNo bill (motion or nomination)
2025-10-27Voted yea on “On the Nomination PN520-5”Nomination ConfirmedNo bill (motion or nomination)
2025-10-23Voted yea on “On the Cloture Motion PN520-5”Cloture Motion Agreed toNo bill (motion or nomination)
2025-10-23Voted yea on “On the Nomination PN368”Nomination ConfirmedNo bill (motion or nomination)
2025-10-23Voted yea on “On Cloture on the Motion to Proceed S. 3012”Cloture on the Motion to Proceed RejectedS 3012 — Shutdown Fairness ActProposed
2025-10-23SponsoredS 3046 — Gang Activity Reporting Act of 2025Proposed
2025-10-23SponsoredSRES 463 — A resolution expressing condemnation of the Chinese Communist Party's persecution of religious minority groups, including Christians, Muslims, and Buddhists and the detention of Pastor "Ezra" Jin Mingri and leaders of the Zion Church, and reaffirming the United States' global commitment to promote religious freedom and tolerance.Passed 2025-11-07
2025-10-23SponsoredS 1716 — Vision Lab Choice Act of 2025Proposed
2025-10-23SponsoredS 3050 — PAID OFF Act of 2025Active
2025-10-22Voted yea on “On the Nomination PN400-2”Nomination ConfirmedNo bill (motion or nomination)
2025-10-22Voted yea on “On the Cloture Motion PN368”Cloture Motion Agreed toNo bill (motion or nomination)
2025-10-22Voted yea on “On the Cloture Motion PN466-3”Cloture Motion Agreed toNo bill (motion or nomination)
2025-10-22Voted yea on “On Cloture on the Motion to Proceed H.R. 5371”Cloture on the Motion to Proceed RejectedHR 5371 — Continuing Appropriations, Agriculture, Legislative Branch, Military Construction and Veterans Affairs, and Extensions Act, 2026Passed 2025-11-12
2025-10-21Voted yea on “On the Nomination PN346-5”Nomination ConfirmedNo bill (motion or nomination)
2025-10-21Voted yea on “On the Cloture Motion PN400-2”Cloture Motion Agreed toNo bill (motion or nomination)
This score is a guide, not a verdict.