St Gregorios Orthodox Cathedral of Illinois

Chicago, Illinois

Address

315 27TH Ave

Denomination

Orthodox

Last updated May 2026

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Map showing location of St Gregorios Orthodox Cathedral of Illinois

500-1,000

estimated members

This is likely one of 29 Orthodox congregations in Cook County, IL. Orthodox accounts for 1% of the county's 3,534 congregations.

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

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