


Detroit–Warren–Ann Arbor Combined Statistical Area Statistical Areaĭetroit-Warren-Dearborn, MI Metropolitan Statistical Areaįlint, MI Metropolitan Statistical Area ( Genesee County)Īnn Arbor, MI Metropolitan Statistical Area ( Washtenaw County) Lenawee County was removed from the CSA in 2000, but added back in 2013. It had a population of 5,318,744 as of the 2010 census, making it one of the largest metropolitan areas in the United States, covering an area of 5,814 square miles (15,060 km 2). 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).


Map of Lapeer County highlighting City of Lapeer (County seat) in red. As of the 2010 census, the MSA had a population of 4,296,250 with an area of 3,913 square miles (10,130 km 2).ĭetroit–Warren–Dearborn Metropolitan Statistical Area County The Office of Management and Budget (OMB), a federal agency of the United States, defines the Detroit–Warren–Dearborn Metropolitan Statistical Area ( MSA) as the six counties of Lapeer, Livingston, Macomb, Oakland, St. These counties are sometimes referred to as the Detroit Tri-County Area and had a population of 3,862,888 as of the 2010 census with an area of 1,967.1 square miles (5,095 km 2). This urbanized area covers parts of the counties of Macomb, Oakland, and Wayne. The Detroit Urban Area, which serves as the metropolitan area's core, ranks as the 12th most populous in the United States, with a population of 3,776,890 as of the 2020 census and an area of 1,284.83 square miles (3,327.7 km 2). See also: Michigan census statistical areas
