2026 United States House of Representatives elections in Illinois – District 12 — Candidates, Dates & Results

Nov 3, 2026

IncumbentMike Bost Republican

2026 Illinois 12th congressional district election

November 3, 2026

Mike Bost Republican Incumbent
incumbent U.S. representative
Julie Fortier Democrat
research microbiologist and Air Force veteran

Primaries

Democratic primary

March 17, 2026Results 26,791 votes

✓Julie FortierUnopposed
research microbiologist and Air Force veteran

Republican primary

March 17, 2026Results 81,400 votes

✓Mike Bost IncumbentUnopposed
incumbent U.S. representative

Individual election

About 2026 United States House of Representatives elections in Illinois – District 12

2026 United States House of Representatives elections in Illinois – District 12 — 4 candidates tracked, election day November 3, 2026, with primary and general…

This race-level view follows one contest through its candidates and election stages, with dates and results kept alongside links to the people and other races in the same jurisdiction.