As informed by the census held in 2000 , water occupies less than 4 % of the total area of Oakland County while the land area represents more than 96 % of the area .
All three automotive companies are major employers within southeast Michigan and have a significant presence within Oakland County. According to the 2000 census , the county has a total area of , of which ( or 96.09 % ) is land and ( or 3.91 % ) is water .
Oakland County, Michigan