Senator Chuck Grassley
- Party
- Republican
- State
- Iowa
- Chamber
- senate
Chuck Grassley is a Republican U.S. Senator from Iowa since 1981 and the longest-serving Republican in congressional history. At 92, he serves as Senate President Pro Tempore and chairs the Judiciary Committee.
Quick Facts
- Party
- Republican
- State
- Iowa
- Chamber
- senate
Contact Information
Washington, DC Office
135 Hart Senate Office Building Washington DC 20510
Phone: 202-224-3744
District Office
201 W. 2nd St., Suite 720, Davenport, IA, 52801
Phone: 563-322-4331
Congressional Work
A quick way to explore what this member is doing: recent votes show floor decisions, sponsored legislation shows bills this member introduced, and cosponsored legislation shows bills this member formally supported.
Recent votes
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Updated at June 21, 2026 2:58 am. Next update: when the next site data refresh is started.
Sponsored legislation
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Cosponsored legislation
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Learn More
Additional official and nonpartisan public profile links for Senator Grassley.
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Research datasets and context
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