Michigan Primary Election 2026

The Michigan primary is Tuesday, August 4, 2026. Polls are open 7 a.m. to 8 p.m. local time. Michigan offers same-day voter registration at your city or township clerk's office.

Race data updated daily until Election Day, November 3, 2026. Last updated: July 18, 2026.

What's at stake

Michigan hosts two of the biggest primaries of 2026: an open US Senate seat (Gary Peters retiring) rated a general-election Toss-up, and an open governorship (Gretchen Whitmer term-limited) rated Lean D.

Key races and candidates

US Senate (Democratic primary)

Open seat, Peters retiring. Mallory McMorrow dropped out July 6, leaving a two-way race.

Haley Stevens (D)Congresswoman, endorsed by Sen. Peters; led 48-41 in the July Detroit News/WDIV poll
Abdul El-Sayed (D)Progressive co-front-runner
Results will be posted here after polls close. This page updates daily.

US Senate (Republican primary)

Mike Rogers, the 2024 nominee, is the presumptive nominee.

Mike Rogers (R)Former congressman, presumptive nominee
Results will be posted here after polls close. This page updates daily.

Governor (Democratic primary)

Open seat, Whitmer term-limited.

Jocelyn Benson (D)Secretary of State, clear front-runner
Results will be posted here after polls close. This page updates daily.

Governor (Republican primary)

John James carries the Trump endorsement.

John James (R)US Rep, Trump-endorsed front-runner
Results will be posted here after polls close. This page updates daily.

What happens next

Winners advance to the general election on Tuesday, November 3, 2026. Follow the general-election matchups on our Senate and governor trackers, or see every competitive state on the interactive election map.

All 2026 primary dates and results →