The Archdiocese of Baltimore, established as a diocese in 1789, comprises the City of Baltimore and Allegany, Anne Arundel, Baltimore, Carroll, Frederick, Garrett, Harford, Howard and Washington Counties. The Archdiocese of Baltimore comprises over 4,800 square miles and has a Catholic population of 486,607.

CommonSpot manages the main Archdiocese site (, plus eight other parish school sites.


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Site Type: Internet