The 2026 Illinois Secretary of State election will be held on November 3, 2026, to elect the Illinois Secretary of State. Incumbent Democratic secretary Alexi Giannoulias is running for re-election. Primary elections were held on March 17, 2026.
Democratic primary Candidates Nominee Alexi Giannoulias, incumbent secretary of state (2023–present)
Endorsements
Results
Republican primary Candidates Nominee Diane Harris, Joliet Junior College trustee and nominee for Illinois's 43rd State Senate district in 2022
Eliminated in primary Walter Adamczyk, committeeman for Chicago's 29th ward
Endorsements
Results
General elections Predictions SourceRankingAs of Sabato's Crystal Ball August 7, 2025
Polling Poll source Date(s)administered Samplesize Marginof error AlexiGiannoulias (D) DianeM. Harris (R) Other UndecidedPublic Policy PollingSeptember 30 – October 1, 2026569 (LV)55%37%8%
Results
Notes
Partisan clients
See also 2026 Illinois elections 2026 United States secretary of state elections Illinois Secretary of State
References
External links Official campaign websites: Alexi Giannoulias (D) Diane Harris (R)