Republican primary elections for all 38 districts in the Michigan State Senate took place on Aug. 2, 2022. Of the 38 districts up for election in 2022, 25 had a Republican primary election with more than one candidate.

In Michigan, state-level candidates and PACs have spent $516,804 from their campaign accounts on services from the United States Postal Service in the 2022 election cycle so far. USPS received 0.31 percent of all $164.1 million in reported expenditures.