St Mary Catholic Church
Greenville, Iowa
Address102 E Penn St
DenominationCatholic
Phone262.694.6018
Services
Mon8:00 AM
Tue8:00 AM
Wed8:00 AM
Thu8:00 AM
Fri8:00 AM
Sat4:00 PM
Sun8:00 AM, 10:30 AM
Last updated May 2026
~505
estimated members
Based on ARDA 2020 data, this is likely one of 4 Catholic congregations in Iowa County, IA, with an average size of approximately 505 members. Catholic accounts for 24% of the county's 34 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study