A stronger revitalized Detroit would be good for Oakland County , and most observers understand that the two are inextricably linked in terms of regional image and economics. Many Detroit residents are funneling into Oakland County , increasing diversity overall and expanding the county's tax base. But it's also producing negative ancillary effects, as destination communities such as Southfield and Oak Park slowly show signs of racial re-segregation, said Kurt Metzger, a demographer at Wayne State 's Center for Urban Studies.