St. Peter's Union Church
Allentown, Pennsylvania
Last updated June 2026

~1,895
estimated members
Based on ARDA 2020 data, this is likely one of 11 Catholic congregations in Warren County, NJ, with an average size of approximately 1,895 members. Catholic accounts for 57% of the county's 92 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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