Sean Casten
U.S. Representative, IL-6 since 2019. Re-elected in 2026. Next on the ballot in 2028.
U.S. Representative, IL-6Born 1971
- In office
- 7 yrs
- Since 2019
- Bills became law
- 0
- 50 sponsored, 119th Congress
- Votes missed
- 0.7%
- Chamber median 2.1%
- With party
- 99%
- On votes splitting the parties
- Last margin
- +25.7
- Won 2026
- 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.
- Joint Economic Committee
- House Committee on Financial ServicesNational Security, Illicit Finance, and International Financial InstitutionsCapital MarketsFinancial Institutions
Source: congress-legislators committeesUpdated Nov 7, 2026, 3:00 PM ET
Legislation
Transportation and Public Works · Passed House Sep 2025
Energy · Introduced Sep 2026
Transportation and Public Works · Introduced Sep 2026
Source: Congress.gov billsUpdated Nov 6, 2026, 3:27 PM ET
Voting record
Where Casten sits in the U.S. House
Casten is closer to the center than 35% of the chamber's Democrats.
Closest: Raja Krishnamoorthi, Debbie Dingell, Jamie Raskin
Source: 99chambers roll-call scalingUpdated Nov 6, 2026, 5:06 PM ET
With Casten’s party
- Votes with the chamber's Democrats99%
- Cosponsorships of the other party's bills11%
Black tick: the average of Democrats in the U.S. House.
Source: 99chambers legislative scores from roll calls and cosponsorships
Key votes
Votes chosen for their effect, not their side: Casten’s vote, each party’s majority, and the result. An orange vote differs from most Democrats.
| Date | Bill | Casten | Dem. majority | Rep. majority | Result |
|---|---|---|---|---|---|
| Sep 16, 2026 | HR 5334: Lindsey O. Graham Sanctioning Russia and Iran Act of 2026 | No | No | Yes | Passed 262–159 |
| Jun 30, 2026 | HCONRES 108: Directing the President pursuant to section 5(c) of the War Powers Resolution to… | Yes | Yes | No | Failed 189–235 |
| Jun 9, 2026 | S 2: Secure America Act | No | No | Yes | Passed 214–212 |
| May 13, 2026 | HR 1346: To amend the Clean Air Act with respect to the ethanol waiver for Reid Vapor Pressure… | Yes | No | Yes | Passed 218–203 |
| Feb 12, 2026 | HR 2189: To modernize Federal firearms laws to account for advancements in technology and… | No | No | Yes | Passed 233–185 |
Source: 99chambers key votes from Congress.gov, Voteview and Open States roll calls
Career
Offices held, and every time Casten was on a ballot. Filled marks are general elections won; hollow marks are primaries; an orange outline is a loss.
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 | Illinois's 6th District | Won | D+25.7 | D+5.6 | +20.1 |
| 2024 | U.S. House, IL-6 | Won | D+8.4 | — | — |
| 2022 | U.S. House, IL-6 | Won | D+8.7 | — | — |
| 2020 | U.S. House, IL-6 | Won | D+7.4 | — | — |
| 2018 | U.S. House, IL-6 | Won | D+7.1 | — | — |
Source: 99chambers results archive; 2026: civicAPI (unofficial)Updated Nov 8, 2026, 7:01 PM ET
Campaign money, 2025–26
- Raised
- $2.5M
- Spent
- $2.2M
- Cash
- $1M
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Campaign committees
Open committees can still raise and spend money.
| CASTEN FOR CONGRESS FEC | Active |
Source: FEC filings through Oct 14, 2026Updated Nov 3, 2026, 2:14 AM ET
Seats Casten has held
- U.S. House, IL-6 · 2019–2027
Source: 99chambers results archive
Who Casten has run against
- Niki Conforti (R) · 2026 general, won
- Niki Conforti (R) · 2024 election, won
- Keith Pekau (R) · 2022 election, won
- Jeanne Ives (R) · 2020 election, won
- Peter J. Roskam (R) · 2018 election, won
Source: 99chambers results archive; 2026: civicAPI (unofficial)
How we know Casten
One person, matched across every source we use.
- Bioguide C001117
- FEC H8IL06139
- Wikidata Q55386655
- Ballotpedia Sean Casten
- Vote Smart 176982
- GovTrack 412775
- OpenSecrets N00041338
Source: Identity links: Wikidata, congress-legislators, Open States, FECUpdated Nov 7, 2026, 3:00 PM ET