Holy Trinity Catholic Church
Downers Grove, Illinois
Address
111 S Cass AveDenomination
CatholicPhone
(630) 968-1366Service times
Last updated September 2026
5,000-20,000
estimated members
This is likely one of 52 Catholic congregations in DuPage County, IL. Catholic accounts for 10% of the county's 532 congregations.
This estimate comes from ARDA 2020 data for churches of this size and denomination in the county.
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