Chicago Prepares to Launch a 10.25% Sports Betting Tax From January 1, 2026

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Chicago is moving toward a new local tax aimed specifically at sports betting operators: a 10.25% charge on revenue earned from activity inside the city. The policy is scheduled to begin on January 1, 2026, as part of the city’s 2026 budget package.
For the industry, the headline isn’t only the rate, it’s the fact that Chicago is adding its own layer on top of existing state and county obligations. That stacking effect is why the measure has quickly become a focal point for operators, trade groups, and lawmakers watching how local governments try to capture more gambling-related revenue.
How the City Tax Fits Into Illinois’ Existing Sports Betting Burden
Illinois already taxes sports betting at the state level using a tiered approach that increases as an operator’s revenue grows. On top of that, Cook County applies an additional tax to sportsbook revenue. Chicago’s plan introduces a third layer: the city’s 10.25% charge tied to revenue generated within Chicago boundaries.
In practice, this means operator costs will differ based on how much revenue is attributed to bets placed in the city and where the operator falls within the state’s higher tax tiers. For large sportsbooks, the combined burden on Chicago-sourced revenue can become meaningfully heavier than in surrounding jurisdictions, which could influence everything from promo strategy to how aggressively brands compete for local customers.
What Operators Are Worried About Next
Industry criticism has centered on uncertainty and operational impact. One concern raised publicly is the practical side of compliance especially if the city requires a specific Chicago authorization or license framework that isn’t clearly mapped out in detail. When rules are introduced through a budget mechanism, operators often push for clearer implementation guidance: definitions, reporting mechanics, enforcement timelines, and how disputes are handled.
There’s also a broader market question: when legal operators face higher effective costs, they may tighten offers, reduce incentives, or adjust pricing changes that can affect customer behavior. Critics argue that if legal options become less attractive, some demand may drift toward unregulated alternatives, which weakens consumer protections and undercuts the policy goal of keeping betting activity inside the regulated system.
Source: https://www.igamingtoday.com/chicago-sports-betting-tax-set-to-take-effect-as-city-budget-clears-without-mayoral-action/





