John Ireland Catholic Church
Mankato, Minnesota
Last updated June 2026

~1,268
estimated members
Based on ARDA 2020 data, this is likely one of 5 Catholic congregations in Nicollet County, MN, with an average size of approximately 1,268 members. Catholic accounts for 36% of the county's 33 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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