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IncumbentMary E. Miller Republican

2026 Illinois 15th congressional district election

November 3, 2026
Primaries

Democratic primary

March 17, 2026Results 29,981 votes

Republican primary

March 17, 2026Results 88,094 votes
Individual election

About 2026 United States House of Representatives elections in Illinois – District 15

2026 United States House of Representatives elections in Illinois – District 15 — 9 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.