Editor’s Note: Find full 2026 Illinois Primary Election Results here
Illinois politics will look different after Tuesday’s 2026 Primary Election, with new nominees for five Congressional seats, a U.S. Senate seat and the comptroller’s offices come November.
Some of the seats, including the Senate seat vacated by longtime Rep. Dick Durbin, haven’t been open in decades. In the crowded U.S. House primary, dozens of Democratic ran for open seats.
As of Wednesday morning, many races have already been called, but some are still outstanding. Here’s a look at who won in the 2026 Illinois Primary Tuesday, and which races still remain too close to call.
Illinois Gov. J.B. Pritzker emerged as a major player in Illinois’ high-profile Democratic Senate primary on Tuesday. Mary Ann Ahern explains.
Illinois Primary Election Results: Who won?
U.S. Senate
The race to replace Sen. Dick Durbin now has its nominees, according to NBC News.
Illinois Lt. Gov. Juliana Stratton bested Reps. Raja Krishnamoorthi and Robin Kelly in the primary election, securing more than 460,000 ballots, according to NBC News.
She will face former Illinois Republican Party head Don Tracy, who defeated Jeannie Evans and Casey Chlebek, according to NBC News projections.
Illinois Governor
Illinois Gov. J.B. Pritzker ran unopposed in the Democratic primary, but the Republican primary featured plenty of intrigue.
According to NBC News projections, we will see a rematch of the 2022 election, as former State Sen. Darren Bailey bested former Wirepoints CEO Ted Dabrowski.
Illinois Attorney General
Incumbent Democratic Attorney General Kwame Raoul and Republican challenger Bob Fioretti both ran unopposed in the primary.
Illinois Secretary of State
Diane Harris secured the Republican Party’s nomination, NBC News projects, and she will face incumbent Secretary of State Alexi Giannoulias.
Illinois Treasurer
Incumbent Treasurer Michael Frerichs ran unopposed, and there was no Republican candidate on the ballot for the primary.
Cook County Board President
With over 98 percent of precincts reporting, incumbent Toni Preckwinkle is projected to win the race for Cook County Board President.
As of 5:30 a.m. Wednesday, Preckwinkle was ahead of 42nd Ward Ald. Brendan Reilly by more than 230,000 votes. Preckwinkle has held the office since 2010.
Illinois House-1
Incumbent Democratic Rep. Jonathan Jackson ran unopposed in his race. He will face Republican challenger Christian Maxwell in November, NBC News projects.
Illinois House-2
In the race to replace Rep. Robin Kelly, Cook County Commissioner Donna Miller is projected to defeat former Rep. Jesse Jackson Jr. in the Democratic primary.
Miller is expected to face Michael Noack, who ran unopposed in the Republican primary.
Illinois House-5
Incumbent Rep. Mike Quigley won his primary, and he is expected to face Tommy Hanson in the November election, NBC News projects.
Illinois House-6
Incumbent Rep. Sean Casten won the Democratic primary in his district, and he’s set for a rematch with 2024 opponent Niki Conforti, NBC News projects.
Illinois House-7
Illinois State Rep. La Shawn Ford defeated Chicago City Treasurer Melissa Conyears-Ervin in the Democratic primary, NBC News projects.
Ford, who will aim to replace retiring Rep. Danny Davis, will face Chad Koppie, according to NBC News.
Illinois House-8
Former Rep. Melissa Bean fended off a challenge from Junaid Ahmed in the Democratic primary to replace Rep. Raja Krishnamoorthi, NBC News projects.
Bean is expected to face Jennifer Davis in the November election.
Illinois House-9
In a hotly-contested Democratic primary, Evanston Mayor Daniel Biss will defeat content creator Kat Abughazaleh in the 9th District, NBC News projects.
Biss, who was endorsed by retiring Rep. Jan Schakowsky, is expected to face John Elleson in the November election.
Illinois House-10
Incumbent Democratic Rep. Brad Schneider won his primary over Morgan Coghill, while Carl Lambrecht ran unopposed in the Republican primary.
Illinois House-11
Republican candidate Jeff Walter is projected to win the party’s primary, and he will face incumbent Rep. Bill Foster in November, NBC News projects.
Illinois House-13
Incumbent Democratic Rep. Nikki Budzinski defeated Dylan Blaha in the party’s primary, while Republican Jeff Wilson will win the GOP primary, NBC News projects.
Illinois House-14
Incumbent Rep. Lauren Underwood will face a 2024 rematch in her election, as James Marter is projected to win the Republican nomination, according to NBC News.
Illinois House-15
Incumbent Republican Rep. Mary Miller fended off two primary challengers, and she is expected to face Democratic candidate Jennifer Todd, NBC News projects.
Illinois House-17
Incumbent Democratic Rep. Eric Sorensen is expected to face Dillan Vancil in the November election, NBC News projects.
Editor’s Note: Illinois’ 3rd District, 4th District, 12th District, and 16th District all featured both primaries with candidates running unopposed.
With Illinois hosting the nation’s only primary on Tuesday, NBC 5 Investigates’ Chuck Goudie investigates the money and maneuvering to get elected in Illinois.
Races that still haven’t been called
Illinois Comptroller
As of 5:30 a.m. Wednesday, State Rep. Margaret Croke, who was endorsed by Illinois Gov. J.B. Pritzker, is holding a lead of just over 25,000 votes over State Sen. Karina Villa, with 99.2 percent of precincts reporting.
The race comes as Democratic Comptroller Susana Mendoza announced she would not seek reelection after 10 years in office.
Bryan Drew ran unopposed in the Republican primary.
Cook County Assessor
With nearly 99% of precincts reporting as of 5:30 a.m., incumbent Cook County Assessor Fritz Kaegi, who was seeking a third term in office, was trailing challenger Pat Hynes by just over 30,000 votes.
Hynes, the Lyons Township assessor, grew up in Beverly and worked in the Cook County Assessor’s Office for more than 20 years, according to his campaign bio.
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