The Race

Michigan's 1st Congressional District spans all 15 counties of the Upper Peninsula plus 20 more in the northern Lower Peninsula, 35 in all, making it one of the largest House seats in the country by land area. Rep. Jack Bergman (R-MI) has held it since 2017 and is running for a sixth term.

Rep. Bergman faces two challengers in the Tuesday, Aug. 4 Republican primary: Matthew DenOtter, who ran in the 2022 Republican primary in Michigan's 11th congressional district, and Justin Michal, an Army combat veteran from Grayling. Three Democrats are competing the same day: Callie Barr, a Traverse City attorney and the party's 2024 nominee, Kyle Blomquist, an architect who sits on the Iron Mountain City Council, and Wayne Stiles, an industrial designer from Traverse City. Michigan does not register voters by party, so any voter may take either ballot. Bergman beat Barr 59.2% to 37.9% in 2024, a margin of roughly 21 points, and the district carries a Cook Partisan Voter Index of R+11.

Three candidates have already secured spots on the November ballot: Arnett Satterla advanced from the Libertarian Party convention in June, Liz Hakola from the Working Class Party convention in June, and Zebulon Featherly is running as an independent.

Ratings

All three forecasters have the seat off the board. Cook Political Report called it Solid Republican on July 16, Inside Elections had it Solid Republican as of June 25, and Sabato's Crystal Ball listed it Safe Republican in its July 30 update. None of the three has moved MI-01 in a 2026 rating change, and that stability is what an R+11 district looks like even in a cycle where forecasters have been sliding other Republican seats toward the Democrats.

Prediction Markets

Polymarket has the Republican contract at 84% and the Democratic contract at 16% on $17,840 in volume as of 3:22 p.m. ET, Friday, July 31. The two sides occasionally add up to more than 100%, which is normal in a live two-sided market and reflects the spread rather than a clean probability split.

The primaries are where the money is moving. On the Republican side, Bergman trades at 97%, with DenOtter at 3% and Michal at 0.2%, on less than $6,000 in combined volume. The Democratic side is the busiest of the three markets at $33,983 in volume, with Barr at 73%, Blomquist at 28% and Stiles at 0.1%.

Experts vs. Markets

The raters and the markets agree here: a Solid/Safe rating and an 84% Republican contract both heavily favor the GOP.

What the prices add is a read on where the uncertainty actually sits, and it is not in the general election. The Democratic primary market has drawn nearly twice the volume of the general election market, and it is the only one of the three that is still plausibly contested. Traders treat the choice of Bergman's opponent as a live question and the outcome of the race against him as a foregone one.

Two cautions on that read. Volume across all three markets is thin enough that a single large position could move a price several points, so a figure like 74% carries less precision than it suggests. And Barr already ran this race in 2024 and lost by 21 points, the clearest evidence available that winning this nomination and winning this seat are separate propositions.

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