Korean Martyrs Catholic Center
Los Angeles, California
Last updated May 2026
~17,636
estimated members
Based on ARDA 2020 data, this is likely one of 54 Catholic congregations in Orange County, CA, with an average size of approximately 17,636 members. Catholic accounts for 60% of the county's 1,499 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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