Catholic Dioceses of the USA Map - Updated

I’ve updated the data and map of the Catholic Dioceses of the USA (originally posted a few years ago) - and it’s much better now! For example, it now shows the Ecclesiastical Provinces:

When you zoom in you see the dioceses:

While updating and fixing the data set, I compiled some interesting notes about the Catholic Dioceses of the US:

Ecclesiastical Province with the largest number of dioceses: Saint Paul and Minneapolis (10 dioceses)

Saint Paul and Minneapolis (10 dioceses) Ecclesiastical Province with the smallest number of dioceses: The Archdiocese of Washington (DC), is an Archidocese that has no other dioceses in its Ecclesiastical Province

The Archdiocese of Washington (DC), is an Archidocese that has no other dioceses in its Ecclesiastical Province Largest diocese by area: Fairbanks (area of 401,823 square miles)

Fairbanks (area of 401,823 square miles) Smallest diocese by area: Brooklyn (area of 179 square miles)

Explore the interactive map here (or download an image)

What do you want to see next with this map? Let me know!

Written by Gavin Rehkemper on January 24, 2020

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