← All elections

IncumbentJonathan L. Jackson Democrat

2026 Illinois 1st congressional district election

November 3, 2026
Primaries

Democratic primary

March 17, 2026Results 89,662 votes

Republican primary

March 17, 2026Results 19,330 votes
Individual election

About 2026 United States House of Representatives elections in Illinois – District 1

2026 United States House of Representatives elections in Illinois – District 1 — 5 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.