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Saginaw, Midland, and Bay City Metropolitan Area

Tri-Cities
Saginaw, MI MSA
Midland, MI µSA
Bay City, MI MSA
Saginaw-Midland-Bay City CSA
CSA
Nickname(s): Great Lakes Bay Region
  Saginaw-Midland-Bay City Combined Statistical Area
  Saginaw-Midland-Bay City Combined Statistical Area
Coordinates: 42°10′21″N 85°21′09″W / 42.1724°N 85.3524°W / 42.1724; -85.3524
Country  United States
State Michigan Michigan
Largest city Saginaw
Counties
Population (2015)
 • Saginaw MSA 200,169
 • Saginaw-Midland-Bay CityCSA 391,569
Time zone EST (UTC-5)
 • Summer (DST) EDT (UTC-4)
Area code(s) 989

The Saginaw-Midland-Bay City Combined Statistical Area is a United States metropolitan area defined by the federal Office of Management and Budget (OMB) surrounding the Saginaw Bay and Saginaw River. The region is a part of the larger area known as Mid/Central Michigan. It includes the smaller statistical areas of Saginaw, Midland, and Bay City.

The Saginaw Metropolitan Statistical Area is a metropolitan area consisting of Saginaw County, anchored by the city of Saginaw and including Saginaw Township. As of the 2010 census, the Metropolitan Statistical Area (MSA) had a population of 200,169.

The Midland Micropolitan Statistical Area is a Micropolitan Statistical Area anchored by the city of Midland and surrounding Midland County. As of the 2010 census, the Micropolitan Statistical Area (µSA) had a population of 83,629.

The Bay City Metropolitan Statistical Area is a MSA anchored by the city of Bay City and surrounding Bay County. As of the 2010 census, the Metropolitan Statistical Area had a population of 107,771.

The Saginaw - Midland - Bay City Combined Statistical Area is the 4th largest CSA in the U.S. state of Michigan. As of the 2010 census, the CSA had a population of 391,569. The CSA combines what is known as the Tri-Cities of Saginaw, Midland, and Bay City. It includes Saginaw County in the Saginaw Metropolitan Statistical Area plus one the Metropolitan Statistical Area of Bay County and the micropolitan area of Midland County.


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