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  1. House

IL-12 House winner?

Resolves by winning party
100
Chance
Mike Bost
Republican party
97.9%
▲ 0.7

Mike Bost

Republican party
97.9%
▲ 0.7
Julie Fortier
Democratic party
2.1%
▼ 0.7

Julie Fortier

Democratic party
2.1%
▼ 0.7
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Illinois's 12th District margin of victory
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Illinois 12 House General Election: voter turnout
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IL-12 House election: Julie Fortier vote percent
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IL-12 House election: Mike Bost vote percent
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Texas Senate winner?
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Maine Senate winner?

More Illinois and 2026 Midterm Races

More Illinois races

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

Control of Congress

Which party will win the Senate?Which party will win the House?Congress balance of power

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Louisiana Senate race: Letlow vs. DavisKansas Governor race: Masterson vs. HolscherAlabama Governor race: Tuberville vs. JonesMaryland Governor race: Moore vs. CoxKentucky Senate race: Barr vs. BookerNew Jersey Senate race: Booker vs. MurphyMaine Governor race: Pingree vs. CharlesNew Mexico Governor race: Haaland vs. HullConnecticut Governor race: Lamont vs. FazioAlaska Governor race
IL-12 House winner?

Mike Bost

Odds
97% chance
Max payout
Nov 3, 2027
$0
Fortier
Nov 3 ·R +37.7margin forecast
Bost
$13,815 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
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%