St. Aloysius of Gonzaga Catholic Church
Manchester, New Hampshire
Last updated May 2026

~2,088
estimated members
Based on ARDA 2020 data, this is likely one of 33 Catholic congregations in Hillsborough County, NH, with an average size of approximately 2,088 members. Catholic accounts for 59% of the county's 242 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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