--- title: Maps and Demographics description: 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 sea --- [Skip to content](https://info.aod.org/articles/maps-and-demographics#main-content) English Show submenu for translations ![AOD\_Logo\_horizontal\_FullColor-medium-1.png\]](https://info.aod.org/hs-fs/hubfs/AOD_Logo_horizontal_FullColor-medium-1.png?height=40&name=AOD_Logo_horizontal_FullColor-medium-1.png) - [Default HubSpot Blog](https://detroitcatholicschools-7101042.hs-sites.com/blog) Open main navigation Close main navigation - [Default HubSpot Blog](https://detroitcatholicschools-7101042.hs-sites.com/blog) - English Show submenu for translations - AOD.ORG AOD.ORG Archdiocese of Detroit Knowledge Base - There are no suggestions because the search field is empty. 1. [Knowledge Base](https://info.aod.org/articles?hsLang=en) 2. [Maps & Demographics](https://info.aod.org/articles/maps-demographics?hsLang=en) # Maps and Demographics #### View - [Demographic profile documents](https://aod.app.box.com/embed/s/ef194o8yzbwzy5zxnwooi1edo19h9sup/folder/46285108619) - [Parish Boundaries Map](https://directory.aod.org/#/parish/map) - [Region and Vicariate Maps](https://info.aod.org/hc/en-us/articles/360042242573?hsLang=en) #### Demographic Profile - There are about 900,000 Catholics in southeast Michigan - There are 209 parishes and 89 Catholic schools - There are three 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](http://www.dioceseofgaylord.org/) - [Diocese of Grand Rapids](http://www.dioceseofgrandrapids.org/) - [Diocese of Kalamazoo](http://www.dioceseofkalamazoo.org/) - [Diocese of Lansing](http://www.dioceseoflansing.org/) - [Diocese of Marquette](http://www.dioceseofmarquette.org/) - [Diocese of Saginaw](http://www.saginaw.org/) - [Becoming Catholic](https://info.aod.org/articles/becoming-catholic?hsLang=en) - [Catholic Schools](https://info.aod.org/articles/catholic-schools?hsLang=en#main-content) - [Curriculum Frequently Asked Questions](https://info.aod.org/articles/catholic-schools?hsLang=en#curriculum-frequently-asked-questions) - [CSA](https://info.aod.org/articles/csa?hsLang=en#main-content) - [CSA](https://info.aod.org/articles/csa?hsLang=en#csa) - [CSA en Espanol](https://info.aod.org/articles/csa?hsLang=en#csa-en-espanol) - [Frequently Asked Questions](https://info.aod.org/articles/csa?hsLang=en#frequently-asked-questions) - 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