St. Mary of the Lake

Washington Island, Wisconsin

DenominationCatholic

Last updated June 2026

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~1,324

estimated members

Based on ARDA 2020 data, this is likely one of 6 Catholic congregations in Door County, WI, with an average size of approximately 1,324 members. Catholic accounts for 48% of the county's 52 congregations.

Source: ARDA 2020 Religious Congregations & Membership Study

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