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Amanda J. Felkey, Ph.D. wrote:

Mr. Humphrey,

I am an economist working on marriage and divorce research. I found your web page online when I was looking for historical data on Catholic populations. I am interested in finding more data like this. Specifically, I am looking for:

  • Catholic population by state since 1990 (prior would be even better), and
  • Catholic population by county for a similar time period

  • Could you tell me the source of the data on your page?

If you have any idea where I could find historical and county-level data that would be much appreciated as well.

Thank you in advance for your time.


  { What is the source of your Catholic data and where can I find historical and county-level data? }

Mike replied:

Hi Amanda,

The data from the web page below was from Our Sunday Visitor's 2007 Catholic Almanac:

If you needed a Catholic population by state since 1990, you may have to do what I did: use the numbers for each back issue of the Our Sunday Visitor Almanac.

I don't know where else you could get this information for the span of years you are requesting.

(OSV) Our Sunday Visitor is a very reputable organization.


Fr. Nick replied:

Dear Michael:

Amanda can obtain from either the Library or her local parish a book titled: The Official Catholic Directory, published by D. J. Kennedy and Sons.

This gives the complete data for every diocese in:

  • the United States
  • Canada, and
  • Puerto Rico.


  • Population
  • number of Baptisms
  • Marriages
  • Confirmations
  • Funerals
  • Annulments, etc.

It has been published for many years. Back copies may be available:

  • in the library, or
  • even online.

Fr. Nick

Amanda replied:

Dear Mike and Fr. Nick,

You have been a great help. Thank you so much for the information.
I am excited to get my hands on a copy of the Official Catholic Directory.

Thank you again.


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