St. Mary's Catholic Church
Dickinson, North Dakota
Last updated June 2026
~32
estimated members
Based on ARDA 2020 data, this is likely one of 1 Catholic congregations in Billings County, ND, with an average size of approximately 32 members. Catholic accounts for 35% of the county's 3 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study