County Membership Report
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Iowa County, Iowa

Denominational Groups, 2000

3,522 2,889   2,265 2 6,993
Evangelical Protestant Mainline Protestant Orthodox Catholic Other Unclaimed

Congregational "adherents" include all full members, their children, and others who regularly attend services. The historically African American denominations are not included in the 2000 congregation and membership totals. Many are also missing in 1990 and most historically African American denominations are missing in the 1980 reports.
[More information on the data sources]


Religious Bodies Theology Congregations Adherents Adherence Rate
Catholic Church Catholic 6 2,300 157.2
Christian Church (Disciples of Christ) Mainline Protestant 1 268 18.3
Church of the Nazarene Evangelical Protestant 1 76 5.2
Evangelical Free Church of America, The Evangelical Protestant 1 27 1.9
Evangelical Lutheran Church in America Mainline Protestant 1 219 15.0
Lutheran Church--Missouri Synod Evangelical Protestant 8 3,748 256.2
Mennonite Church USA Evangelical Protestant 2 387 26.5
North American Baptist Conference Evangelical Protestant 1 111 7.6
Presbyterian Church (U.S.A.) Mainline Protestant 2 776 53.0
United Church of Christ Mainline Protestant 1 231 15.8
United Methodist Church, The Mainline Protestant 10 1,703 116.4
Totals (Unadjusted)*: 34 9,846  

The population of this county (or equivalent) in 1990 was 14,630. The adherent totals of the religious groups listed above (9,846) include 67.3% of the total population in 1990.


The 1990 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include statistics for 132 religious groups, including number of churches and adherents. Martin B. Bradley, Norman M. Green, Jr., Dale E. Jones, Mac Lynn, and Lou McNeil supervised the collection. These data originally appeared in Churches and Church Membership in the United States, 1990, published by the Glenmary Research Center.

[More information on the data collection]

The adherence rate provides the number of adherents of a particular group per 1,000 population. For example, in 2000 the Episcopal Church had an adherence rate of approximately 8 (8.1) in Autauga County, Alabama. This means that 8 out of every 1,000 people in Autauga County are Episcopalian.

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