Saint Jane de Chantal Catholic Church
Slidell, Louisiana
Last updated May 2026

~9,063
estimated members
Based on ARDA 2020 data, this is likely one of 16 Catholic congregations in St. Tammany Parish, LA, with an average size of approximately 9,063 members. Catholic accounts for 68% of the county's 235 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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