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Race · U.S. Senate · Illinois · 2026

Illinois · U.S. Senate · 2026

Seat U.S. Senate, Class 2

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U.S. Senate, Class 2 · Open seat
DEMNominee
Juliana Stratton
98%Hume Outlook · Hume model estimate · as of 2026-10-28
OTHOn the ballot
Whitfield Harrington, Jr.
—Not published for this candidate
REPNominee
Don Tracy
2%Hume Outlook · Hume model estimate · as of 2026-10-28
IncumbentNot available

Hume Outlook

hume-2026.10-r1 · Forecast as of Oct 28, 2026
98% Juliana Stratton · DemocratChance to win, between the two named candidates
DEM Juliana Stratton 98%
REP Don Tracy 2%
  • Hume model estimate · built on polls, fundamentals, and markets
Latest poll Stratton 59.0% · Tracy 42.0% ActiVote · 2026-10-20
Seat lean (Hume PVI) D+6 cycles 2020, 2024
Prior result, this seat DEM 54.9% 2020 general · margin 16.1%

Side by side

3 candidates · 5 measures
FEC summary through 2026-10-14
MeasureDEMStrattonOTHHarringtonREPTracy
Total receiptsUSD, cycle to date, all authorized committees
Juliana Stratton$7,230,576.52
Whitfield Harrington, Jr.$143,381.62
Don Tracy$4,914,363.45
Total disbursementsUSD, cycle to date
Juliana Stratton$5,688,991.72
Whitfield Harrington, Jr.$123,897.47
Don Tracy$4,431,346.07
Cash on handUSD, close of the covered period
Juliana Stratton$1,541,584.80
Whitfield Harrington, Jr.$19,484.15
Don Tracy$483,017.38
Latest pollpercent, as stored
Juliana Stratton59.0%ActiVote · 2026-10-20
Whitfield Harrington, Jr.Not available Not named in the newest listed poll (2026-10-20)
Don Tracy42.0%ActiVote · 2026-10-20
Seat lean (Hume PVI)identical for every candidate
Juliana StrattonD+6seat-level
Whitfield Harrington, Jr.D+6seat-level
Don TracyD+6seat-level
Money is each candidate's FEC summary: every committee the candidate has authorized, combined, as filed through the coverage date shown.

Polling

2 listed · newest first
Newest field end 2026-10-20
Pollster / sponsorField datesSampleStrattonHarringtonTracyOthers
ActiVote2026-09-26 to 2026-10-20LV · n=40059.0%not named42.0%none
Public Policy Polling2026-09-30 to 2026-10-01LV · n=56949.0%not named36.0%none
Polling data CC BY 4.0 (FiveThirtyEight / VoteHub).

    Seat lean · Hume PVI

    as of cycle 2024
    D+6
    Lean (D minus R, points)
    +6.342
    Presidential cycles
    2020, 2024
    Computed
    2026-06-08

    Hume PVI is Hidden Levers' own two-party presidential-lean index for the state, not the Cook PVI.

    Prior result, this seat

    election returns

    2020 general

    CandidatePartyVotes% of total
    Richard J. DurbinDEM3,278,93054.93%
    Mark C. Curran JR.REP2,319,87038.87%
    Willie L. WilsonOTH237,6993.98%
    Danny MaloufLIB75,6731.27%
    David F. BlackGRN56,7110.95%

    Total votes 5,968,883 · winning margin 16.07% of total (margin computed here from the cited vote counts)

    Sources: FEC filings (through Oct 14, 2026) · Polls: FiveThirtyEight / VoteHub (CC BY 4.0) · Prior result: MIT Election Data + Science Lab (CC0) · Hume PVI and Hume Outlook: Hidden Levers estimates.

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