Holy Trinity Greek Orthodox Church
Fitchburg, Massachusetts
Last updated May 2026

~641
estimated members
Based on ARDA 2020 data, this is likely one of 7 Orthodox congregations in Worcester County, MA, with an average size of approximately 641 members. Orthodox accounts for 1% of the county's 601 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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