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Sean Casten
U.S. Representative, Illinois
2440 Rayburn House Office Building
Summary
Sean Thomas Casten is an American businessman and politician serving as the U.S. representative for Illinois's 6th congressional district. The district covers southwestern Chicago, as well as many of Chicago's inner southwestern suburbs, such as Downers Grove, Wheaton, Lisle, Orland Park, and Western Springs. He is a member of the Democratic Party.
Source: Wikipedia · as of Aug 21, 2026
Scorecard
The record at a glanceA quick read on how Rep. Casten votes and legislates this Congress. Every figure links to its full record below.
Views on the Issues
See where Rep. Casten stands — alongside Democratic and Republican positions.
Sponsored Legislation
See all 138 →HR 381
HR 381 · Introduced Jan 14, 2025 · Environmental Protection
Jan 14, 2025: Referred to the House Committee on Energy and Commerce.
HR 382
HR 382 · Introduced Jan 14, 2025 · Transportation and Public Works
Jan 14, 2025: Referred to the House Committee on Energy and Commerce.
HR 383
HR 383 · Introduced Jan 14, 2025 · Taxation
Jan 14, 2025: Referred to the House Committee on Ways and Means.
HR 8441
HR 8441 · Introduced Apr 22, 2026 · Government Operations and Politics
Apr 22, 2026: Referred to the Committee on House Administration, and in addition to the Committee on Armed Services, for a period to be subsequently determined by the Speaker, in each case for consideration of such provisions as fall within the jurisdiction of the committee concerned.
Voting Analytics
Full record →Computed over Rep. Casten's 645 roll-call votes in the 119th Congress, of which 452were party-split (the two parties' majorities on opposite sides). Unanimous votes are excluded so the rates aren't inflated.
98.7%
Votes with the Democratic majority
On party-split votes
1.3%
Votes with the other party
The bipartisanship read
0.8%
Missed votes
Chamber median 2.2% · at or below median
Placement on the House's left–right spectrum
More liberalMore conservative
Based on how often Rep. Casten sided with the Republican majority on party-split votes, ranked against all representatives. This is a vote-agreement placement, not an academic ideology score.
Source: Clerk of the U.S. House (roll-call votes) · as of Sep 9, 2025
Legislative Activity
What Rep. Casten has put their name on in the 119th Congress, and across their career. Most bills — from every member — never become law; the enacted count is context, not a grade.
47
Sponsored this Congress
138 all-time
0
Became law this Congress
0% of those sponsored
1,815
Cosponsored, all-time
Signed on to others' bills
138
Bills sponsored, all-time
Source: Congress.gov · as of Aug 21, 2026
Landmark Legislation
Major bills from recent Congresses — outcomes and party vote breakdowns. For Rep. Casten's individual votes, view their full record on Congress.gov.
Inflation Reduction Act
Enacted2022 · H.R. 5376Largest climate investment in U.S. history; allowed Medicare to negotiate drug prices; reduced the federal deficit.
D: 50 yeaR: 0 yeaFinal: 51–50
CHIPS Act
Enacted2022 · H.R. 4346Invested $52 billion in domestic semiconductor manufacturing to reduce dependence on foreign chip supply chains.
D: 47 yeaR: 17 yeaFinal: 64–33