Surveys conducted in the final weeks of the campaign showed Peters holding a slight lead over James, who enjoyed more support from Michigan voters than the Republican incumbent Trump did in contemporaneous polls of the presidential race.

With 98% of the expected vote in, exit polls of the race showed Peters winning a significant advantage over James among female voters — 59% to 39%, respectively. Peters, who is White, also won a large 89% majority of Black voters in the race, compared with just 10% of that demographic who went for James, who is Black.