Illinois › Dupage County › Illinois Senate District 39
One candidate is tracked for Illinois Senate District 39 on the November 3, 2026 ballot: Don Harmon. Candidate information follows official Dupage County election filings; verify with the official election office linked below.
Don Harmon (Democratic) is the only candidate on the November 3 ballot; Don Harmon is the sitting member, per the General Assembly's roster. Party nominees were chosen at the March 17 primary (plurality, no runoffs); independent and new-party candidates qualified by petition. The field is the State Board of Elections' 2026 General Election candidate list (status Active, read September 7, 2026). This seat is elected by district; only the district covering your address appears on your ballot.
Democratic · Incumbent
Don Harmon is an attorney with a J.D. and M.B.A. from the University of Chicago, per the Illinois General Assembly. He has represented the 39th District since 2003 and serves as President of the Illinois Senate, per the same source. No campaign website or questionnaire response was found as of September 7, 2026.