The November ballot
Raised so far, filed with the FEC
Official candidate list: Illinois State Board of Elections. Not a prediction.
The seat
Sean Casten
Democrat · Holds the seat now
First took office 2019 · Age 54
From the member's own disclosures and congress.gov. Not cosponsoring is not a vote against a ban.
How to vote in Illinois
- General electionNovember 3, 2026
Register 28 days before (16 days if online), or same-day through Election Day in person.
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How they won the primary
The primary · 91,760 votes
- Sean Casten Won: 75.8% 69,579
- Joey Ruzevich: 24.2% 22,181
The primary · 32,574 votes
- Niki Conforti Won: 82.2% 26,783
- Skylar Duensing: 17.8% 5,791
Primary results as recorded October 12, 2026, ordered by votes. Source: Illinois State Board of Elections proclaimed primary results. Certified April 17, 2026. A primary result is a recorded fact about a past contest, not a prediction of November.
The money on this race
- Raised by candidates
- $2.6M
- Outside money
- $12K
Outside money, for and against
Independent expenditures; direction is each filer's own declared filing.
Where each candidate's money comes from
Small donors give $200 or less; PACs are political action committees. Shares of each candidate's own receipts on file with the FEC. Outside money is not part of these figures.
Who is spending on this race
The largest groups spending independently here, ranked; open a row for whose race the money went into.
Independent expenditures reported to the FEC; direction is each group's own declared filing.
Not on the November ballot
2 filedPrimary candidates who did not advance, committees still on file, and candidacies that ended. Being here is a filing fact, not a mark against anyone.
How this seat voted last time
D+8 in 2024
- Sean Casten Won: 54.2%
- Niki Conforti: 45.8%
362,849 votes for candidates. A past result is a filed fact, not a prediction of November.
Certified returns via MIT Election Data and Science Lab, from the House Clerk's election statistics and state canvasses.
The district
Census context- People
- 748K
- Median household income
- $100K
- Unemployment
- 5.1%
- Living below the poverty line
- 7.5%
- Without health insurance
- 5.4%
U.S. Census Bureau, ACS 2024 5-year estimates. Context about the district, not a statement about any candidate.
Candidates and financing from the FEC, public domain. Candidate totals are each campaign's latest FEC report, ending between February 25, 2026 and June 30, 2026. Outside money is the FEC's processed total of independent expenditures plus the 24- and 48-hour reports filed since each group's latest regular report. It covers this two-year cycle, the same as the candidate totals. Dataset built 2026-10-12. Nothing here is a forecast, a grade, or a ranking of candidates.