U.S. Senate
Chuck Grassley
Senator for Iowa (senior)
Party: Republican
In office since January 5, 1981
Official portrait, Biographical Directory of the United States Congress, via unitedstates/images
How to reach Chuck Grassley
Washington, D.C. office
135 Hart Senate Office Building Washington DC 20510State offices
- Davenport201 W. 2nd St., Suite 720, Davenport, IA 52801(563) 322-4331
- Des Moines210 Walnut St., 721, Federal Building, Des Moines, IA 50309(515) 288-1145
- Sioux City320 6th St., 120, Federal Building, Sioux City, IA 51101(712) 233-1860
- Waterloo531 Commercial St., 210, Waterloo Building, Waterloo, IA 50701(319) 232-6657
- Council Bluffs2146 27th Avenue, Suite 550, Council Bluffs, IA 51501(712) 322-7103
- Cedar Rapids111 7th Avenue SE, Box 13, Suite 6800, Cedar Rapids, IA 52401(319) 363-6832
Source: unitedstates/congress-legislators, U.S. Senate, senators contact information.
Checked against more than one source
| Item | Result | Values by source |
|---|---|---|
| Phone | agree | cl: (202) 224-3744 senate-xml: (202) 224-3744 |
| Website | agree | cl: https://www.grassley.senate.gov senate-xml: https://www.grassley.senate.gov |
| Washington address | agree | cl: 135 Hart Senate Office Building Washington DC 20510 senate-xml: 135 Hart Senate Office Building Washington DC 20510 |
| Party label | agree | cl: Republican senate-xml: R |
Voting and bill activity
Bills sponsored
97
119th Congress
Bills cosponsored
250
same period
Sponsored bills that became law
0
same period
Bills source: GovInfo bulk data, Bill Status, through November 14, 2026.
Newest bills sponsored
- A resolution expressing the sense of the Senate that it values the active participation of the Republic of Kosovo as the state partner of the Iowa National Guard over the past 15 years.Introduced September 30, 2026
- SRBIJA ActIntroduced September 30, 2026
- A resolution designating the week beginning October 18, 2026, as "National Character Counts Week".Introduced September 29, 2026
- Small Agri-Biodiesel Producer Credit Extension ActIntroduced September 29, 2026
- SCREENS ActIntroduced September 24, 2026
Committees
Committees
- Joint Committee on TaxationMember
- Senate Committee on Agriculture, Nutrition, and ForestryMember
- Senate Committee on FinanceMember
- Senate Committee on the BudgetMember
- Senate Committee on the JudiciaryChairman
- United States Senate Caucus on International Narcotics ControlMember
Subcommittees
- Commodities, Derivatives, Risk Management, and TradeMember
- Food and Nutrition, Specialty Crops, Organics, and ResearchMember
- International Trade, Customs, and Global CompetitivenessMember
- Rural Development, Energy, and CreditMember
- Social Security, Pensions, and Family PolicyChairman
- Taxation and IRS OversightMember
Source: unitedstates/congress-legislators, as of 2026-11-14.
Campaign finance filings
Totals reported to the Federal Election Commission by the member’s campaign committee, one row per two-year cycle. They are figures as filed and say nothing about votes.
| Cycle | Total receipts | Total disbursements | Cash on hand at end | From individuals | Covers filings through | Record |
|---|---|---|---|---|---|---|
| 2026 | $527,998 | $373,499 | $487,400 | $290,864 | September 30, 2026 | FEC page |
| 2024 | $770,100 | $878,623 | $332,901 | $483,310 | December 31, 2024 | FEC page |
| 2022 | $9,533,641 | $10,930,809 | $441,424 | $5,613,178 | December 31, 2022 | FEC page |
Source: Federal Election Commission, all candidates summary bulk files. Period: cycles 2026, 2024, 2022.
Sources and period
unitedstates/congress-legislators
Period: 2026-11-14 · Release: September 24, 2026 · Refreshed: as members change · Terms: public domain (CC0 1.0)
U.S. Senate, senators contact information
Period: 2026-11-14 · Release: November 10, 2026 · Refreshed: as members change · Terms: U.S. government work
unitedstates/images, official portraits
Period: 2026-11-14 · Refreshed: as members change · Terms: public domain
GovInfo bulk data, Bill Status
Period: 119th Congress to 2026-11-14 · Release: November 14, 2026 · Refreshed: daily · Terms: U.S. government work; CRS summaries are public domain
Federal Election Commission, all candidates summary bulk files
Period: 2025-2026, 2023-2024, 2021-2022 through 2026-10-22 · Release: October 22, 2026 · Refreshed: rolling, per filing · Terms: public record; contributor names and addresses are not used
Census Bureau, American Community Survey 1-year, table-based summary file
Period: 2025 · Release: October 29, 2026 · Refreshed: annual · Terms: U.S. government work; cite the Census Bureau
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