St. Mary's Church Newark Abbey
New York, New Jersey
Last updated May 2026
~4,022
estimated members
Based on ARDA 2020 data, this is likely one of 61 Catholic congregations in Essex County, NJ, with an average size of approximately 4,022 members. Catholic accounts for 53% of the county's 655 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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