Skip to content
PoliTrackerPrototype - alpha version 0.1

Composite score - coming soon

Official portrait of Chuck Grassley

Chuck Grassley

U.S. Senator · Iowa

  • Republican
  • Since 1975
  • Tenure: 4+ terms

Refreshed 14 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
2025-06-04SponsoredS 1949 — Combating Violent and Dangerous Crime ActProposed
2025-06-03Voted yea on “On the Nomination PN22-16”Nomination ConfirmedNo bill (motion or nomination)
2025-06-03Voted yea on “On the Cloture Motion PN22-16”Cloture Motion Agreed toNo bill (motion or nomination)
2025-06-03Voted yea on “On the Nomination PN25-19”Nomination ConfirmedNo bill (motion or nomination)
2025-06-03Voted yea on “On the Cloture Motion PN25-19”Cloture Motion Agreed toNo bill (motion or nomination)
2025-06-03Voted yea on “On the Nomination PN17”Nomination ConfirmedNo bill (motion or nomination)
2025-06-03SponsoredSJRES 56 — Life Month ResolutionProposed
2025-06-03SponsoredS 1931 — A bill to provide additional funding to States that provide certain rights to sexual assault survivors, and for other purposes.Proposed
2025-06-02Voted yea on “On the Cloture Motion PN17”Cloture Motion Agreed toNo bill (motion or nomination)
2025-06-02SponsoredSRES 259 — A resolution recognizing June 2, 2025, as the 39th anniversary of C-SPAN chronicling democracy in the Senate.Passed 2025-06-18
2025-05-22Voted yea on “On the Joint Resolution H.J.Res. 89”Joint Resolution PassedHJRES 89 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision".Passed 2025-06-12
2025-05-22Voted yea on “On the Motion to Proceed H.J.Res. 89”Motion to Proceed Agreed toHJRES 89 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The 'Omnibus' Low NOX Regulation; Waiver of Preemption; Notice of Decision".Passed 2025-06-12
2025-05-22Voted yea on “On the Joint Resolution H.J.Res. 87”Joint Resolution PassedHJRES 87 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Waiver of Preemption; Notice of Decision".Passed 2025-06-12
2025-05-22Voted yea on “On the Motion to Proceed H.J.Res. 87”Motion to Proceed Agreed toHJRES 87 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; Zero-Emission Power Train Certification; Waiver of Preemption; Notice of Decision".Passed 2025-06-12
2025-05-22Voted yea on “On the Joint Resolution H.J.Res. 88”Joint Resolution PassedHJRES 88 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Advanced Clean Cars II; Waiver of Preemption; Notice of Decision".Passed 2025-06-12
2025-05-22SponsoredSRES 250 — A resolution recognizing National Foster Care Month as an opportunity to raise awareness about the challenges of children in the foster care system, and encouraging Congress to implement policies to improve the lives of children in the foster care system.Passed 2025-05-22
2025-05-22SponsoredS 1912 — Protecting Veteran Community Care ActProposed
2025-05-22SponsoredS 1916 — Don’t Sell My DNA ActProposed
2025-05-22SponsoredSRES 246 — A resolution recognizing the significance of Jewish American Heritage Month and calling on elected officials and civil society leaders to counter antisemitism.Passed 2025-05-22
2025-05-22SponsoredS 1906 — Innovative FEED Act of 2025Proposed
2025-05-22SponsoredS 1882 — RESTORE ActProposed
2025-05-22SponsoredSRES 255 — A resolution honoring the life, achievements, and legacy of former United States Senator Christopher "Kit" Bond of Missouri.Passed 2025-05-22
2025-05-21Voted yea on “On the Motion to Proceed H.J.Res. 88”Motion to Proceed Agreed toHJRES 88 — Providing congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the Environmental Protection Agency relating to "California State Motor Vehicle and Engine Pollution Control Standards; Advanced Clean Cars II; Waiver of Preemption; Notice of Decision".Passed 2025-06-12
2025-05-21Voted yea on “On the Joint Resolution S.J.Res. 55”Joint Resolution PassedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
2025-05-21Voted yea on “On the Point of Order S.J.Res. 55”Point of Order SustainedSJRES 55 — A joint resolution providing for congressional disapproval under chapter 8 of title 5, United States Code, of the rule submitted by the National Highway Traffic Safety Administration relating to "Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference".Active
This score is a guide, not a verdict.