RepublicanIn office since Jan 2015

Tom Cotton

U.S. Senator from Arkansas since 2015. Ran in 3 elections between 2012 and 2020, winning 3. Re-elected in 2026. Next on the ballot in 2032.

U.S. Senator from ArkansasBorn 1977Lawyer

Official website Wikipedia Congress.gov FEC filings

In office: 11 yrs; Since 2015
Bills became law: 1; 97 sponsored, 119th Congress
Votes missed: 1.5%; Chamber median 2.1%
With party: 100%; On votes splitting the parties
Last margin: +11.8; Won 2026
Next election: 2032; Nov 2, 2032

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

Committees

119th Congress.

Senate Committee on Armed ServicesAirlandCybersecurityEmerging Threats and CapabilitiesStrategic Forces
Senate Committee on Energy and Natural ResourcesEnergyPublic Lands, Forests, and Mining
Joint Economic Committee
Senate Select Committee on Intelligence · Chairman

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

Legislation

119th Congress · 97 sponsored · 1 became law

BillIntroCmteSenateHouseLaw

S 4465 A bill to amend the FISA Amendments Act of 2008 to extend the authorities of title VII of the Foreign…
Armed Forces and National Security · Became law Apr 2026

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

Voting record

119th Congress · placement by roll-call votes

Where Cotton sits in the U.S. Senate

Cotton is closer to the center than 56% of the chamber's Republicans.

Closest: Todd Young, Kevin Cramer, John Hoeven

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

With Cotton’s party

Votes with the chamber's Republicans100%
Cosponsorships of the other party's bills13%

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

Source: 99chambers legislative scores from roll calls and cosponsorships

Key votes

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

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

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

Career

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

201220142016201820202022202420262028U.S. House, AR-4 U.S. Senate, Arkansas

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	+/−
2026	U.S. Senate, Arkansas	Won	R+11.8	R+31.3	−19.5
2020	U.S. Senate, Arkansas	Won	R+33.1	R+28.4	+4.7
2014	U.S. Senate, Arkansas	Won	R+17.1	R+24.3	−7.2
2012	U.S. House, AR-4	Won	R+22.8	—	—