DemocratIn office since Jan 2017

Tammy Duckworth

U.S. Senator from Illinois since 2017. Ran in 5 elections between 2006 and 2022, winning 4. Next on the ballot in 2028.

U.S. Senator from IllinoisBorn 1968

Official website Wikipedia Congress.gov FEC filings

In office: 9 yrs; Since 2017
Bills became law: 1; 65 sponsored, 119th Congress
Votes missed: 6.6%; Chamber median 2.1%
With party: 98%; On votes splitting the parties
Last margin: +15.3; Won 2022
Next election: 2028; Nov 7, 2028

Source: Wikidata, congress-legislators and Open States; 99chambers legislative recordsUpdated Nov 7, 2026, 3:00 PM ET

Committees

119th Congress.

Senate Committee on Armed ServicesAirlandPersonnelReadiness and Management Support
Senate Committee on Commerce, Science, and TransportationAviation, Space, and Innovation · Ranking MemberTelecommunications and MediaSurface Transportation, Freight, Pipelines, and Safety
Senate Committee on Foreign RelationsEurope and Regional Security CooperationMultilateral International Development, Multilateral Institutions, and International Economic, Energy, and Environmental Policy · Ranking MemberState Department and USAID Management, International Operations, and Bilateral International Development
Senate Committee on Veterans' Affairs

Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET

Legislation

119th Congress · 65 sponsored · 1 became law

BillIntroCmteSenateHouseLaw

S 260 Bottles and Breastfeeding Equipment Screening Enhancement Act
Transportation and Public Works · Became law Nov 2025

Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET

Voting record

119th Congress · placement by roll-call votes

Where Duckworth sits in the U.S. Senate

Duckworth is closer to the center than 33% of the chamber's Democrats.

Closest: Cory Booker, Angela D. Alsobrooks, Richard Blumenthal

Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET

With Duckworth’s party

Votes with the chamber's Democrats98%
Cosponsorships of the other party's bills21%

Black tick: the average of Democrats in the U.S. Senate.

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

Votes chosen for their effect, not their side: Duckworth’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.

Date	Bill	Duckworth	Dem. majority	Rep. majority	Result
Jun 5, 2026	S 2: Secure America Act	No	No	Yes	Passed 52–47
Apr 16, 2026	HJRES 140: Providing for congressional disapproval under chapter 8 of title 5, United States Code,…	No	No	Yes	Passed 50–49
Feb 12, 2026	HJRES 142: Disapproving the action of the District of Columbia Council in approving the D.C.…	No	No	Yes	Passed 49–47
Jan 30, 2026	HR 7148: Consolidated Appropriations Act, 2026	No	No	Yes	Passed 71–29
Dec 4, 2025	HJRES 131: Providing for congressional disapproval under chapter 8 of title 5, United States Code,…	No	No	Yes	Passed 49–45

Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls

Career

Offices held, and every time Duckworth was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.

2006200820102012201420162018202020222024202620282030U.S. House, IL-8 U.S. Senate, Illinois

Source: 99chambers results archive (MEDSL, Klarner, state election offices)

Elections

Margin against the seat’s presidential baseline: how the seat voted for president in the same or nearest year.

Year	Race	Result	Margin	Seat	+/−
2022	U.S. Senate, Illinois	Won	D+15.3	D+17.3	−2.0
2016	U.S. Senate, Illinois	Won	D+15.1	D+18.0	−2.9
2014	U.S. House, IL-8	Won	D+11.5	—	—
2012	U.S. House, IL-8	Won	D+9.5	—	—
2006	U.S. House, IL-6	Lost	R+2.7	—	—