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Sean Casten

U.S. House · Illinois
On the ballot · Nov 3
$2.1M

Raised, 2025–26

  • Individuals$1.3M63%
  • PACs$724k34%
  • Transfers & other$48k2%

14% of the individual money came from small donors ($200 or less).

Top PAC industries

$791k
Office
PartyDemocrat
ChamberU.S. House
SeatIllinois, district 6
Up for electionNov 3, 2026
District
IL-10 · Bradley Scott SchneiderIL-11 · Bill FosterIL-12 · Mike BostIL-13 · Nikki BudzinskiIL-14 · Lauren UnderwoodIL-15 · Mary E. MillerIL-16 · Darin LaHoodIL-17 · Eric SorensenIL-7 · Danny K. DavisIL-3 · Delia C. RamirezIL-9 · Janice D. SchakowskyIL-1 · Jonathan L. JacksonIL-2 · Robin L. KellyIL-4 · Jesús G. 'Chuy' GarcíaIL-8 · Raja KrishnamoorthiIL-5 · Mike QuigleyIL-6 · Sean Casten
IL-6 · Illinois
FollowCompare
On the ballot · Illinois House, district 6 · Nov 396% party to win· vs. Conforti ↓
The campaign · in their words

“Delivering Commonsense Solutions for the 6th District”

castenforcongress.com · read Oct 19, 2026 ↗Page titles and first lines from the campaign’s own site, unedited

Where They Stand

Position from 591 bills and votes and 23 statements, starting from a reputation prior of Left 31 — click any issue to see the reputation, the record and the shift.

Solo viewvs. Conforti · 2026vs. pick…
Casten (you're viewing)
Overall
31
Left
LeftCenterRight
Track is neutral — only the dot's position and distance-from-center number carry meaning.

The 2026 Race

IL-6 race page →
Odds · party to winOct 27
Casten (D)96%
Conforti (R)3%
The race · IL-6
Sean CastenDemocrat · incumbent · Left 31 on the record96%
Niki ConfortiRepublican · challenger · Right 32 from statements3%
3231
63 points apart · hollow = estimate, solid = record
Conforti's page →
Money · raised, FEC to Sep 30
Sean Casten$2.5M
$1.5M from individuals · $1.3M itemized
Niki Conforti$346k
$341k from individuals · $137k itemized
The FEC doesn't name donors who give under $200, so their gifts count in Raised but not Itemized.
Odds are a market close, not a poll

What They Care About

How this is measured

Bubble size = how much of Sean Casten's sponsored bills, cosponsorships, campaign statements and tweets go to each domain. Votes are left out because they follow committee seats; domains a member's committees handle are discounted a little. Anything from the last 6 months counts double, so a topic they are on about right now grows. Darker = they have broken with their own party more often on that topic: the share of party-line votes since 2009 where they voted against their party's majority (gray = fewer than 8 such votes). Based on 18 sponsored, 292 cosponsored, 95 statements, 450 topical tweets. Click a bubble to open what they support and the bills and tweets behind it; click it again to close.

Energy, environment, land and agriculture · 14% of Sean Casten's priorities · 5 sponsored · 45 cosponsored · 20 statements · 45 tweets · broke with their party on 5 of 247 party-line votesEnergy 14%Health care · 14% of Sean Casten's priorities · 2 sponsored · 45 cosponsored · 16 statements · 64 tweets · broke with their party on 0 of 41 party-line votesHealth care 14%Business, finance and labor · 12% of Sean Casten's priorities · 4 sponsored · 34 cosponsored · 9 statements · 152 tweets · broke with their party on 4 of 142 party-line votesBusiness 12%Federal budget, taxes and spending · 10% of Sean Casten's priorities · 2 sponsored · 32 cosponsored · 9 statements · 138 tweets · broke with their party on 6 of 393 party-line votesFederal budget 10%Civil rights, gender and religion · 8% of Sean Casten's priorities · 0 sponsored · 17 cosponsored · 5 statements · 66 tweets · broke with their party on 0 of 31 party-line votesCivil rights 8%Crime and justice · 6% of Sean Casten's priorities · 0 sponsored · 16 cosponsored · 5 statements · 74 tweets · broke with their party on 0 of 94 party-line votesCrime 6%Education · 6% of Sean Casten's priorities · 1 sponsored · 15 cosponsored · 5 statements · 41 tweets · broke with their party on 0 of 34 party-line votesEducation 6%Federal power and civil liberties · 6% of Sean Casten's priorities · 0 sponsored · 10 cosponsored · 2 statements · 99 tweets · broke with their party on 2 of 103 party-line votesFederal power 6%Foreign policy, trade and defense · 5% of Sean Casten's priorities · 1 sponsored · 14 cosponsored · 2 statements · 71 tweets · broke with their party on 12 of 273 party-line votesForeign policy 5%Guns · 5% of Sean Casten's priorities · 2 sponsored · 19 cosponsored · 5 statements · 5 tweets · broke with their party on 0 of 12 party-line votesGuns 5%Immigration · 5% of Sean Casten's priorities · 0 sponsored · 14 cosponsored · 6 statements · 26 tweets · broke with their party on 0 of 51 party-line votesImmigration 5%Elections, representation and accountability · 4% of Sean Casten's priorities · 1 sponsored · 18 cosponsored · 6 statements · 3 tweets · broke with their party on 0 of 24 party-line votesElections 4%Housing, transportation, technology and vice · 4% of Sean Casten's priorities · 0 sponsored · 10 cosponsored · 5 statements · 26 tweets · broke with their party on 0 of 59 party-line votesHousing 4%Trade and industrial policy · 2% of Sean Casten's priorities · 0 sponsored · 3 cosponsored · 0 statements · 25 tweets · broke with their party on 0 of 8 party-line votes2%
Rarely breaksOften breaks

Sean Casten

● Democrat · U.S. House · Illinois
Raised
$2.1M
2025–26 cycle
Top sector
$319k
finance & insurance
Overall
Left
31pt left
Actions
1,136
votes, bills, tweets
On the ballot · Nov 396% · vs. Conforti ↓
The campaign · in their words

“Delivering Commonsense Solutions for the 6th District”

Education ↗“Sean continues to advocate for the protection of the U.S. Department of Education and other agencies that President Trump is attempting to dismantle in his attacks on American institutions.”Energy and Climate Policy ↗“Sean is the lead author of the Cheap Energy Act, a consumer-focused approach to US energy policy.”Gun Safety ↗“Sean believes that it's time to offer Americans smart, effective gun laws that save lives.”
From castenforcongress.com, unedited

Where They Stand

Overall
Left, 31 points from center
Dot = distance from center · band = 90% range

The 2026 Race

Race page →
Odds · party to winOct 27
Casten (D)96%
Conforti (R)3%
The race · IL-6
Sean CastenDemocrat · incumbent · Left 31 on the record96%
Niki ConfortiRepublican · challenger · Right 32 from statements3%
3231
63 points apart · hollow = estimate, solid = record
Conforti's page →
Money · raised, FEC to Sep 30
Sean Casten$2.5M
$1.5M from individuals · $1.3M itemized
Niki Conforti$346k
$341k from individuals · $137k itemized
The FEC doesn't name donors who give under $200, so their gifts count in Raised but not Itemized.
Odds are a market close, not a poll

What They Care About

Energy, environment, land and agriculture · 14% of Sean Casten's priorities · 5 sponsored · 45 cosponsored · 20 statements · 45 tweets · broke with their party on 5 of 247 party-line votesEnergy and land 14%Health care · 14% of Sean Casten's priorities · 2 sponsored · 45 cosponsored · 16 statements · 64 tweets · broke with their party on 0 of 41 party-line votesHealth care 14%Business, finance and labor · 12% of Sean Casten's priorities · 4 sponsored · 34 cosponsored · 9 statements · 152 tweets · broke with their party on 4 of 142 party-line votesBusiness and labor 12%Federal budget, taxes and spending · 10% of Sean Casten's priorities · 2 sponsored · 32 cosponsored · 9 statements · 138 tweets · broke with their party on 6 of 393 party-line votesBudget and taxes 10%Civil rights, gender and religion · 8% of Sean Casten's priorities · 0 sponsored · 17 cosponsored · 5 statements · 66 tweets · broke with their party on 0 of 31 party-line votes8%Crime and justice · 6% of Sean Casten's priorities · 0 sponsored · 16 cosponsored · 5 statements · 74 tweets · broke with their party on 0 of 94 party-line votes6%Education · 6% of Sean Casten's priorities · 1 sponsored · 15 cosponsored · 5 statements · 41 tweets · broke with their party on 0 of 34 party-line votes6%Federal power and civil liberties · 6% of Sean Casten's priorities · 0 sponsored · 10 cosponsored · 2 statements · 99 tweets · broke with their party on 2 of 103 party-line votes6%
8% Civil rights6% Crime and justice6% Education6% Federal power
RarelyOften breaks

Who Pays

PAC money · 2025–26
SectorPACsAmountShare
Finance & insurance71$319k
Retail & business34$135k
Labor unions27$124k
Real estate10$49k
Energy15$41k
Issue groups13$26k
Tech, media & telecom8$24k
Health care7$16k
Everything else18$59k
Raised $2.1M · 63% individuals · 34% pacs