Gretchen Whitmer has divided the state’s counties into eight regions as part of her coronavirus (COVID-19) reopening plan. You can see a full breakdown of which counties are in each region below. Grand Rapids RegionClare CountyIonia CountyIsabella CountyKent CountyLake CountyMason CountyMecosta CountyMontcalm CountyMuskegon CountyNewaygo CountyOceana CountyOttawa CountyOsceola County3. Saginaw RegionAlcona CountyArenac CountyBay CountyGladwin CountyHuron CountyIosco CountyMidland CountyOgemaw CountyOscoda CountySaginaw CountySanilac CountyTuscola County5. Traverse City RegionAntrim CountyAlpena CountyBenzie CountyCharlevoix CountyCheboygan CountyCrawford CountyEmmet CountyGrand Traverse CountyKalkaska CountyLeelanau CountyManistee CountyMissaukee CountyMontmorency CountyOtsego CountyPresque Isle CountyRoscommon CountyWexford County7.