Illinois State Senate - All 39 Districts Primary

About This Race

The 2026 Illinois State Senate primary election will be held on June 16, 2026, to nominate candidates for all 39 state senate districts. Voters will select Democratic and Republican nominees who will advance to the general election in November 2026 to serve four-year terms in the Illinois Senate.

Candidates

Important Dates

Election Date: June 16, 2026
Registration Deadline: May 21, 2026
Early Voting Starts: June 3, 2026
Early Voting Ends: June 15, 2026

How to Vote

To vote in the Illinois primary, you must be a U.S. citizen, Illinois resident, and at least 18 years old by Election Day. Registration can be completed online, by mail, or in person, with a deadline of May 21, 2026. Early voting begins June 3 and runs through June 15; voters must present a valid ID if registering on-site or if it's their first time voting in the jurisdiction.

Incumbent

Republican

Dan McConchie

Illinois State Senator, District 26

Biography

Dan McConchie is the incumbent Republican State Senator for District 26, covering parts of Lake and McHenry counties in suburban Chicago. A former Deputy Republican Leader, he is seeking re-election to advocate for property tax relief, public safety, and conservative fiscal policies in the Illinois Senate.

Campaign Website

Incumbent

Democratic

Dick Durbin

U.S. Senator

Biography

Dick Durbin is the senior United States Senator from Illinois, serving since 1997. He has served as Senate Minority Whip (2007-2015) and Senate Majority Whip since 2021, making him the second-highest-ranking Democrat in the Senate.

Incumbent

Democratic

Laura Fine

Illinois State Senator, District 9

Biography

Laura Fine is the incumbent Democratic State Senator for District 9, representing parts of Chicago's north suburbs including Evanston and Skokie. First elected in 2018, she serves as Chair of the Senate Human Services Committee and is running for re-election to continue her work on mental health, education, and healthcare access.

Campaign Website

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