Illinois Lt. Gov. Juliana Stratton’s unexpected victory in the state’s Democratic Senate primary on March 17 has sent ripples through the political landscape. While many observers expected a closer contest, Stratton decisively defeated Rep. Raja Krishnamoorthi, securing the nomination to replace retiring Sen. Dick Durbin. The win, fueled by a strategic focus on immigration and significant financial backing, underscores a shifting dynamic within the Illinois Democratic party and offers lessons for national campaigns as they approach the 2028 presidential election. The race for Illinois Senate seat is a key contest to watch as Democrats seek to maintain control of the chamber.
The turning point, according to those involved, wasn’t simply about policy positions, but about timing and framing. Stratton distinguished herself from her primary opponents by calling for the outright abolition of U.S. Immigration and Customs Enforcement (ICE), a stance that resonated deeply with a key segment of the Democratic electorate. This strategy, spearheaded by the Illinois Future PAC, proved remarkably effective in the final weeks of the campaign. The success of Stratton’s campaign highlights the growing importance of progressive stances on immigration within the Democratic base.
A Strategic Focus on ICE Abolition
Quentin Fulks, who led Illinois Future PAC, the primary super PAC supporting Stratton, recognized an opportunity in January, just two months before the primary. While all three leading candidates – Stratton, Krishnamoorthi, and Rep. Robin Kelly – opposed ICE’s aggressive tactics, Stratton was the only one advocating for its complete dismantling. Fulks quickly capitalized on this distinction, launching a television ad promoting Stratton’s position. “We beat them to the punch on that issue,” Fulks told NBC News. “The PAC went up first.”
The decision to focus on ICE wasn’t arbitrary. Fulks’ team had conducted research indicating widespread disapproval of the agency among Illinois Democrats, particularly in the wake of increased immigration enforcement activities in the Chicago area. NBC News reported on the anxieties felt by Chicago teachers and families due to these enforcement actions, and protests erupted in communities like Broadview, Illinois, in late 2025. “For Juliana and the issues she was championing, that was by far the most potent issue,” Fulks explained.
Pritzker’s Support and Financial Muscle
Stratton’s campaign benefited significantly from the financial support of Illinois Gov. JB Pritzker, a billionaire who donated at least $5 million to Illinois Future PAC. The PAC ultimately spent $14.8 million on advertising, though it was still outspent by Krishnamoorthi. Pritzker’s endorsement came swiftly after Sen. Durbin announced his retirement, signaling a clear preference within the state’s Democratic establishment. A WGN/Emerson poll from January revealed Pritzker held an 82% approval rating among Illinois Democrats, while 90% disapproved of former President Donald Trump, demonstrating the governor’s considerable influence.
Fulks emphasized the importance of Pritzker’s backing. “The top testing issues for the lieutenant governor from a factual standpoint was her partnership and association with JB,” he said. The PAC strategically leveraged this connection in its advertising, reinforcing the message that Stratton would continue Pritzker’s progressive agenda. This proved particularly effective as voters began to focus on the race in the weeks leading up to the primary.
Lessons for 2028 and Beyond
Fulks, who previously served as Kamala Harris’ principal deputy campaign manager during the 2024 presidential election, sees valuable lessons in Stratton’s win for future Democratic campaigns. He believes the race demonstrated the importance of candidates connecting with voters on a personal level. “Folks seek a mix of somebody that’s fighting for them, that’s standing up to Trump and that they also feel like they can just hang out with,” he said. He also noted the require for candidates to be willing to engage in diverse campaign settings, even those outside their comfort zones. “You’re going to have to put your candidates in uncomfortable positions for them to be able to effectively communicate,” he added.
The Illinois primary also provided insights into campaign timing. Fulks suggested that waiting to launch major advertising pushes can be effective if other events are dominating the news cycle. He felt that earlier ads might not have resonated as strongly, given the attention focused on special elections in Virginia and Fresh Jersey. Stratton’s surge in the final weeks of the campaign suggests a well-timed strategy can yield significant results.
Stratton ultimately secured 40% of the vote, edging out Krishnamoorthi by seven percentage points, according to NBC News results. The victory came as a surprise to many, given Krishnamoorthi’s early lead in fundraising and consistent presence on the airwaves.
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Looking ahead, Stratton will face the Republican nominee in the November general election. While Illinois leans heavily Democratic, the outcome will be closely watched as a bellwether for national trends. The next key date is the filing deadline for candidates in the general election, which is set for June 24th.
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