St Mary School

Centralia, Illinois

Address100 N Maple St
DenominationCatholic

Last updated May 2026

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~484

estimated members

Based on ARDA 2020 data, this is likely one of 4 Catholic congregations in Marion County, IL, with an average size of approximately 484 members. Catholic accounts for 10% of the county's 106 congregations.

Source: ARDA 2020 Religious Congregations & Membership Study

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