Maps and Demographics

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• Demographic profile documents
• Parish Boundaries Map
• Region and Vicariate Maps

Demographic Profile

• There are about 1.1 million Catholics in southeast Michigan
• There are 215 parishes and 89 Catholic schools
• There are five Catholic colleges and seminaries

Michigan Dioceses

Michigan also contains a so-called titular see, the Diocese of Sault Ste. Marie, which was founded in the Upper Peninsula many years before even Detroit. The region was once a full diocese but the seat was eventually moved to a more populated area, Marquette, in 1865. The Diocese of Sault Ste. Marie remains in title only.The Archdiocese of Detroit is the most populous diocese in the state of Michigan with 1.4 million Catholic residents. In the Roman Catholic Church structure, Michigan is known as the Ecclesiastical Province of Detroit, which lists dioceses in Gaylord, Grand Rapids, Kalamazoo, Lansing, Marquette, Saginaw and Detroit among its ranks.

For more information on any other diocese in the Ecclesiastical Province of Detroit, follow these links:

• Diocese of Gaylord
• Diocese of Grand Rapids
• Diocese of Kalamazoo
• Diocese of Lansing
• Diocese of Marquette
• Diocese of Saginaw