St Athanasius Catholic Church
Pierson, Iowa
~1,001
estimated members
Based on ARDA 2020 data, this is likely one of 4 Catholic congregations in Buchanan County, IA, with an average size of approximately 1,001 members. Catholic accounts for 38% of the county's 43 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study