Saint Thomas Aquinas Church

Pittsburgh, Pennsylvania

Address

409 Union St

Denomination

Catholic

Last updated August 2026

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1,000-5,000

estimated members

This is likely one of 22 Catholic congregations in Washington County, PA. Catholic accounts for 50% of the county's 266 congregations.

This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.

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