Saint Demetrius Catholic Church
Johnstown, Pennsylvania
Last updated May 2026

~873
estimated members
Based on ARDA 2020 data, this is likely one of 53 Catholic congregations in Cambria County, PA, with an average size of approximately 873 members. Catholic accounts for 54% of the county's 230 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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