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  1. House

IL-12 House winner?

Resolves by winning party
100
Chance
Mike Bost
Republican party
97.2%

Mike Bost

Republican party
97.2%
Julie Fortier
Democratic party
2.8%

Julie Fortier

Democratic party
2.8%
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More Illinois and 2026 Midterm Races

More Illinois races

Illinois Governor race: Pritzker vs. BaileyIllinois Senate race: Stratton vs. Tracy

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IL-12 House winner?

Mike Bost

Odds
98% chance
Max payout
Nov 3, 2027
$0
Fortier
Nov 3 ·R +36.8margin forecast
Bost
$11,943 vol
Race Intel

IL-12 House Race 2026

ElectionNov 3, 2026General election
IncumbentMike Bost (R)Running for re-election

IL-12 House Candidates and Fundraising

CandidateRaisedSmall Donors
  • Julie FortierD
    $145.6K
    47%
    $145.6K raised·47% small donors
  • Mike BostR
    $1.6M
    2.9%
    $1.6M raised·2.9% small donors

Bost vs. Fortier Polls vs. Kalshi Odds

Polling averageNo public polling average for this race yet
Kalshi oddsBost 97%Fortier 3% · $8,403 traded
Fundraising: FEC filings · Small-donor ≤ $200. This does not include third party expenditures.

Past IL-12 Election Results

Past presidential elections

2024R +43.5%2020R +42.8%