Winner, unofficial result · U.S. House, IL-09
Daniel Biss
American mathematician and politician (born 1977)
- Term begins
- January 3, 2027
Unofficial result, not yet certified. Source: Wikipedia (House results table) · read 2026-11-07
Called it. Before the polls closed, Vugol.Me called this race for the Democrat (D +39.0, from the Vugol Vector model) and the Democrat won. Every call, frozen before polls closed
Do you approve of Daniel Biss?
No reader votes yet. Yours would be the first.
Overview
Daniel Kálmán Biss is an American mathematician and politician who served as the mayor of Evanston, Illinois, from 2021 to 2026. He is the Democratic Party nominee for Illinois's 9th congressional district in 2026.
More
He is a former member of both the Illinois House of Representatives and Illinois Senate.
Source: Wikipedia · retrieved 2026-10-31 · CC BY-SA 4.0
- Born
- August 27, 1977 (age 49)
- Education
- Harvard University
- Massachusetts Institute of Technology
- Bloomington High School North
- Occupation
- mathematician, topologist
Facts above: Wikidata (CC0, retrieved 2026-11-05).
.jpg){kind=link}
.jpg){kind=link}
The race
U.S. House, IL-09. Won.
- Daniel Biss Democratic · winnern/a
Source: Wikipedia (House results table) · retrieved 2026-11-07 · unofficial until certified
Polls and models against the result
- Frozen call
- Democrat (D +39.0, from the Vugol Vector model)
- Result
- Won
Source: Vugol.Me calls ledger, frozen before polls closed and never edited after. Margins are Republican minus Democrat.
Money
Principal campaign committee: BISS FOR CONGRESS. Covers April 1, 2025 to October 14, 2026; latest report: Pre-General. Money raised after that date appears once the next report is filed.
Where the money came from
5.2% of the $3,131,741 from individuals came in contributions the FEC does not itemize (donors who gave $200 or less in total).
- Individuals, unitemized (donors giving $200 or less in total)4.7%$161,951
- Individuals, itemized86.2%$2,969,790
- Other political committees (PACs)8.9%$307,121
- The candidate (own money and loans)0.1%$3,205
- Transfers, other loans and other receipts0.1%$4,395
Employers donors listed
- NORTHWESTERN UNIVERSITY$48,80044 contributions
- UNIVERSITY OF CHICAGO$18,35017 contributions
- IN NGP$14,0004 contributions
- MADISON DEARBORN PARTNERS$14,0004 contributions
- STONE CAPITAL GROUP$14,0004 contributions
- TAFT STETTINIUS & HOLLISTER LLP$12,0005 contributions
- JENNER & BLOCK LLP$11,80010 contributions
- CITY OF EVANSTON$11,7506 contributions
- @PROPERTIES$11,5005 contributions
- LATHAM & WATKINS$9,2507 contributions
Sum of itemized individual contributions by the employer the donor listed. These are employees giving as individuals, not donations by the companies. Entries such as retired, not employed or self-employed are left out of this list.
Source: Federal Election Commission (OpenFEC) · reports filed through October 14, 2026 · retrieved 2026-11-09 · filings can be amended · response hash ff1c0a4fc753
Industries
Industry totals are not on file here.
Record
Not yet on file: committee assignments, bills and votes (this person is not a sitting member in the public dataset). Are you this person? Update your profile
Issues and positions
Not yet on file: issue positions (we publish only what a source states). Are you this person? Update your profile
Contact and links
- Website
- danielbiss.com via Wikidata
- Campaign email
- info@danielbiss.com · source
- Social
Sources: Wikidata (CC0) for linked accounts; campaign-provided items are labeled.
Timeline
- 2026Called the winner of this race. Called by Wikipedia editors 4:41 AM ET
- 2013 to 2019member of the State Senate of Illinois Wikidata
- 2011 to 2013member of the Illinois House of Representatives Wikidata
Offices and dates: Wikidata (CC0) (Q3013758). Elections: Vugol.Me candidacy record.
In the news
Headlines from outlets across the political spectrum, linked to the publisher. Vugol.me doesn’t write or endorse them. How we choose them · News about this race
All sources
- Result: Wikipedia (House results table), https://en.wikipedia.org/w/index.php?title=2026_United_States_House_of_Representatives_elections_in_Illinois&oldid=1384137665
- Call time: Called by Wikipedia editors 4:41 AM ET (revision)
- Pre-election call: Vugol.Me calls ledger (frozen), /calls
- Background: Wikipedia, CC BY-SA 4.0, https://en.wikipedia.org/wiki/Daniel_Biss
- Birth, education, occupation and offices held: Wikidata (CC0), https://www.wikidata.org/wiki/Q3013758
- Term start: U.S. Constitution, 20th Amendment, section 1
- Campaign finance: Federal Election Commission
- Roster, FEC filing https://www.fec.gov/data/candidate/H6IL09228/
- photo_gallery https://commons.wikimedia.org/wiki/File:Illinois_State_Senator_Daniel_Biss_at_the_Bud_Billiken_Parade_2015_(19807719713).jpg
- photo_gallery https://commons.wikimedia.org/wiki/File:Daniel_Biss_2018.jpg
- photo_gallery https://commons.wikimedia.org/wiki/File:Daniel_Biss_2012.jpg
- photo_gallery https://commons.wikimedia.org/wiki/File:Daniel_Biss_2012_(cropped).jpg
Are you this person?
Add your photo, a biography in your own words, your positions and your contact details. Anything you add is labeled as provided by the campaign.
If you are Daniel Biss (or their campaign), sign in to claim this profile free and add your photo, bio and platform.
Sign in with your campaign email address, the one published for this campaign, or any address on your campaign website’s domain, and your claim is verified instantly. Other claims are identity-checked by our staff first.