Our Lady of the Mountains Catholic Church
Fort Collins, Colorado
Last updated May 2026

~5,921
estimated members
Based on ARDA 2020 data, this is likely one of 6 Catholic congregations in Larimer County, CO, with an average size of approximately 5,921 members. Catholic accounts for 28% of the county's 243 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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