Saint Teresa of Calcutta Catholic Parish Church
Sioux City, Iowa
Last updated May 2026

~472
estimated members
Based on ARDA 2020 data, this is likely one of 4 Catholic congregations in Union County, SD, with an average size of approximately 472 members. Catholic accounts for 34% of the county's 28 congregations.
Source: ARDA 2020 Religious Congregations & Membership Study
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