Illinois voters participated in the 2026 primary elections on March 17, with key races including the U.S. Senate seat, where Lieutenant Governor Juliana Stratton won the Democratic nomination to face Republican Don Tracy. The gubernatorial primary set up a rematch between incumbent JB Pritzker and Republican Darren Bailey, while several closely contested Democratic congressional primaries in the Chicago area highlighted ideological divides, particularly over Israel policy. Notable outcomes included Melissa Bean’s political comeback in the 8th District and tight races in the 7th and 9th Districts, reflecting shifting dynamics within Illinois politics ahead of the general elections.