St Margaret Mary Catholic Church
Louisville/Jefferson County, Kentucky
Last updated May 2026
~1,882
estimated members
Based on ARDA 2020 data, this is likely one of 59 Catholic congregations in Jefferson County, KY, with an average size of approximately 1,882 members. Catholic accounts for 28% of the county's 800 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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