St Mary's Catholic Church

Sterling, Illinois

Address

600 Avenue B

Denomination

Catholic

Phone

(740) 374-8181

Last updated September 2026

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1,000-5,000

estimated members

This is likely one of 9 Catholic congregations in Whiteside County, IL. Catholic accounts for 41% of the county's 102 congregations.

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

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