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Wisconsin senate approves online sports betting bill​

Jefferson Mendoza
Written by Jefferson Mendoza

The Wisconsin Senate on Tuesday passed a bill to legalise online sports betting, sending it to Democratic Governor Tony Evers. Republican Senate Majority Leader Devin LeMahieu relied on Democratic votes to advance the measure, as nearly half of Senate Republicans opposed it.​

Opponents warned the bill could worsen gambling addiction. Sen. Steve Nass pointed to a February Marquette University Law School poll showing 64 percent of respondents opposed legalising online sports betting.​

Tribal lands at the core

Wisconsin’s gambling laws have evolved from strict prohibitions to a mix of state-run lottery, tribal casinos, and limited betting options. The state lottery launched in 1987, followed by tribal gaming through federal compacts. Today, 18 casinos operate across the state, according to Poidata.io.​

The bill requires all wagers to be processed on servers located on federally recognised tribal lands. Supporters argue this ensures economic benefits flow to Wisconsin’s Native American tribes rather than out-of-state companies.​

Federal oversight of tribal gaming in the U.S. is governed primarily by the Indian Gaming Regulatory Act (IGRA) of 1988, which resulted in the creation of the National Indian Gaming Commission (NIGC) and established rules for tribal-state compacts.​

The Department of the Interior reviews these compacts to ensure compliance, giving tribes sovereignty while maintaining federal oversight. This ensures that tribal governments, not outside operations, control the infrastructure and revenue streams.​

Industry pushback

Major operators like DraftKings and FanDuel campaigned against the plan, warning that the 60 percent revenue share with tribes would make operations difficult. While the bill does not bar them from offering online betting, they argue it creates an uneven playing field.​

(Source: American Gaming Association)

GOP divisions

The measure passed 21–12, with nine Republicans voting against it. Sen. Chris Kapenga (R-Delafield) cautioned that LeMahieu risked his leadership role by leaning on Democratic support. Despite the warning, LeMahieu moved forward.​

The split highlights broader Republican unease with expanding gambling—especially online betting, which some view as inconsistent with conservative values. The leadership challenge underscores how loyalty and ideological purity remain powerful forces in Wisconsin politics.​

Democratic support for tribal governments

Democrats largely assisted the bill, citing benefits for tribal governments. Sen. Kristin Dassler-Alfheim (D-Appleton) noted that online gaming already exists in Wisconsin and argued the legislation would bring regulation and oversight.​

The requirement that wagers be processed on tribal servers fuelled tension not only between parties but also within the GOP, as some Republicans sided with industry concerns over the revenue-sharing model.​

Governor Evers has expressed general support for tribal control of online gambling but has not committed to the bill’s specifics. His spokesperson emphasised that he wants all Wisconsin tribes to back the measure before signing it into law.​

Wisconsin vs neighbouring states

Wisconsin’s sports betting laws remain far more restrictive than those of neighbouring states. For instance, Illinois and Michigan have allowed full online sports betting through commercial operators, while Wisconsin limits wagers to tribal lands.​

The February Marquette poll showing 64 percent opposition contrasts with broader acceptance in Illinois and Michigan, underscoring the state’s unique and contentious approach.

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