IL-11 House 2026 · Hidden Levers

Race header

U.S. House, Illinois District 11 · Incumbent running

DEMNominee

Bill Foster incumbent

96%Hume Outlook · Hume model estimate · as of 2026-10-28

REPNominee

Jeff Walter

4%Hume Outlook · Hume model estimate · as of 2026-10-28

IncumbentBill Foster

Hume Outlook

hume-2026.10-r1 · Forecast as of Oct 28, 2026

96% Bill Foster · DemocratChance to win, between the two named candidates

DEM Bill Foster 96%

REP Jeff Walter 4%

Hume model estimate · built on polls, fundamentals, and markets

Latest poll Not available No public polls of this race in our data yet.

Seat lean (Hume PVI) D+5 as of cycle 2020

Prior result, this seat DEM 55.6% 2024 general · margin 11.2%

Side by side

2 candidates · 5 measures

FEC summary through 2026-10-14

MeasureDEMFosterREPWalter

Total receiptsUSD, cycle to date, all authorized committees

Bill Foster$2,588,027.45

Jeff Walter$431,415.26

Total disbursementsUSD, cycle to date

Bill Foster$1,508,902.74

Jeff Walter$423,635.44

Cash on handUSD, close of the covered period

Bill Foster$2,629,689.37

Jeff Walter$7,779.82

Latest pollpercent, as stored

Bill FosterNot available No public polls of this race in our data yet.

Jeff WalterNot available No public polls of this race in our data yet.

Seat lean (Hume PVI)identical for every candidate

Bill FosterD+5seat-level

Jeff WalterD+5seat-level

Money is each candidate's FEC summary: every committee the candidate has authorized, combined, as filed through the coverage date shown.

Polling

0 listed · newest first

Not available No public polls of this race in our data yet.

Seat lean · Hume PVI

as of cycle 2020

D+5

Lean (D minus R, points): +5.174

Hume PVI is Hidden Levers' own two-party presidential-lean index for the district, computed on the district's current lines, not the Cook PVI.

Prior result, this seat

election returns

2024 general

Candidate	Party	Votes	% of total
Bill Foster	DEM	199,825	55.59%
Jerry Evans	REP	159,630	44.41%

Total votes 359,455 · winning margin 11.18% of total (margin computed here from the cited vote counts)

Sources: FEC filings (through Oct 14, 2026) · Prior result: MIT Election Data + Science Lab (CC0) · Hume PVI and Hume Outlook: Hidden Levers estimates.

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