Who's In the Race

Democrat Sean McCann and Republican Bill Huizenga are the nominees in Michigan's 4th Congressional District race. Huizenga is the Republican incumbent in Michigan's 4th U.S. House District and is running for re-election. Both candidates advanced through certified August primaries.

What They Stand For

McCann supports extending Affordable Care Act tax credits, reducing health-care costs, lowering prescription-drug prices, and holding pharmaceutical companies accountable for price gouging, according to his campaign website.

On abortion, McCann's campaign says decisions should be made by a woman, her family, and her doctor rather than politicians. McCann has described Michigan's 4th Congressional District as a key 2026 battleground for control of the House.

Huizenga argues on his House issues page that the Affordable Care Act has failed Americans and the economy, and supports legislation focused on patients' rights. On abortion, Huizenga supports preventing taxpayer funding for abortions, promoting pregnancy-care centers over abortion facilities, and opposing late-term abortions.

He supports returning control over education to local communities, including teachers, school administrators, parents, and neighbors. Huizenga also supports the Tax Cuts and Jobs Act, describing it as creating a simpler and fairer tax code.

The Money Behind the Race

Outside groups had spent more than $1.68 million in Michigan's 4th District race as of Oct. 5. The bulk of that money targets Huizenga. Outside spending tied to the Republican candidate totaled $1,651,364, compared with $31,500 tied to the Democratic candidate.

Of the total outside spending, $1,139,128 went toward opposing candidates and $543,737 went toward supporting them. The leaderboard below shows committee totals only and does not indicate direction of spending.

The LCV Victory Fund reported $990,134 in spending across 15 records. Defend American Jobs spent $511,996, according to the aggregated spending records. Somos PAC spent $117,570, Planned Parenthood Votes spent $62,847, and the Right to Life of Michigan Victory Fund spent $240.

The trigger record also shows more than $9 million in pending independent expenditures not yet reported as spent, which would push total outside activity to roughly $10.8 million if fully executed.

Race Outlook: Ratings and Betting Markets

The Cook Political Report rated the race "Lean Republican" as of Sept. 25, while Sabato's Crystal Ball rated it a "Toss-up" as of Sept. 29. The consensus rating, as of Oct. 2, also stands at "Toss-up."

On the Kalshi prediction market, as of Oct. 5, the Republican candidate held a 52 percent chance of winning, and the Democrat held a 48 percent chance, based on a market volume of 19,722 contracts.

Huizenga won this district in both recent cycles, taking 54 percent of the vote in 2022 and 55 percent in 2024. Democrats and Republicans each had seven winners in the records reviewed. Republican Donald Trump carried Michigan in the 2024 presidential election with nearly 50 percent of the vote.

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