In previous establishment-vs.-progressive statewide Democratic primaries, the progressive candidates tend to post their strongest numbers in Washtenaw and Kent counties, regardless of the statewide outcome. The Associated Press will provide vote results and declare winners in contested primaries for U.S. Senate, U.S. House, governor, state Senate and state House. About 934,000 Democratic primary votes and about 880,000 Republican primary votes were cast in the 2024 U.S. Senate primaries. About 63% of the vote in the 2024 state primary was cast early in-person or by mail. In the 2024 Democratic U.S. Senate primary, the AP first reported results at 8:03 p.m.