The Combined Statistical Area ( CSA ) of Detroit includes the Detroit–Warren–Dearborn MSA .
As of the 2010 census , the MSA had a population of 4,296,250 with an area of .The nine county area designated by the OMB as the Detroit–Warren–Ann Arbor Combined Statistical Area ( CSA ) includes the Detroit–Warren–Dearborn MSA and the three additional counties of Genesee , Monroe , and Washtenaw ( which include the metropolitan areas of Flint , Monroe , and Ann Arbor , respectively ) .
Metro Detroit