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Marion County, Iowa - County Membership Report (2020)

Exact definitions of "congregations" and "adherents" vary by religious body. Congregations may be parishes, churches, synagogues, mosques, temples, or another site where a religious body has regularly scheduled worship services. Adherents generally are members, children who are not members, and others who are not members but are considered participants in the congregation.

[More information on the data sources]

Religious Bodies Tradition Family Congregations Adherents Adherence Rate
Reformed Church in America Mainline Protestant Presbyterian/Reformed Family 7 7,084 212.01
United Methodist Church Mainline Protestant Methodist Family 11 2,358 70.57
Catholic Church Catholic Catholic Liturgical Family 3 1,802 53.93
Christian Reformed Church in North America Evangelical Protestant Presbyterian/Reformed Family 6 1,640 49.08
Evangelical Lutheran Church in America Mainline Protestant Lutheran Family 2 713 21.34
Non-denominational Christian Churches Evangelical Protestant Other Groups Family 5 620 18.56
Lutheran Church-Missouri Synod (LCMS) Evangelical Protestant Lutheran Family 2 532 15.92
Full Gospel Christian Assemblies International Evangelical Protestant Pentecostal Family 1 530 15.86
Christian Churches and Churches of Christ Evangelical Protestant Restorationists Family 3 458 13.71
United Reformed Churches in North America Evangelical Protestant Presbyterian/Reformed Family 1 443 13.26
American Baptist Churches in the U.S.A. Mainline Protestant Baptist Family 2 424 12.69
Christian Church (Disciples of Christ) Mainline Protestant Restorationists Family 2 409 12.24
Church of Jesus Christ of Latter-day Saints Latter-day Saints Latter-day Saints (Mormonism) Family 1 334 10.00
Church of the Nazarene Evangelical Protestant Holiness Family 2 218 6.52
Assemblies of God, General Council of the Evangelical Protestant Pentecostal Family 2 199 5.96
Open Bible Churches Evangelical Protestant Pentecostal Family 1 86 2.57
Seventh-day Adventist Church Evangelical Protestant Adventist Family 1 85 2.54
Church of God (Cleveland, Tennessee) Evangelical Protestant Pentecostal Family 1 52 1.56
Orthodox Church in America, The Orthodox Eastern Liturgical (Orthodox) Family 1 34 1.02
Churches of Christ Evangelical Protestant Restorationists Family 1 30 0.90
Presbyterian Church (U.S.A.) Mainline Protestant Presbyterian/Reformed Family 1 30 0.90
International Church of the Foursquare Gospel Evangelical Protestant Pentecostal Family 1 26 0.78
Southern Baptist Convention Evangelical Protestant Baptist Family 1 18 0.54
Baha'i Faith Other Other Groups Family 0 4 0.12
Reformed Church in the United States Evangelical Protestant Presbyterian/Reformed Family 1 0 0.00
Converge Worldwide Evangelical Protestant Baptist Family 1
Evangelical Free Church of America Evangelical Protestant Methodist Family 1
Orthodox Presbyterian Church Evangelical Protestant Presbyterian/Reformed Family 1
Christian Brethren (Plymouth Brethren) Evangelical Protestant Independent Fundamentalist Family 1
Community of Christ Evangelical Protestant Latter-day Saints (Mormonism) Family 1
General Association of Regular Baptist Churches Evangelical Protestant Baptist Family 2
Communion of Reformed Evangelical Churches Evangelical Protestant Presbyterian/Reformed Family 1
United Pentecostal Church International Evangelical Protestant Pentecostal Family 1
           

Religious Traditions (1980 - 2020), Percent of Population


The population of this county was 33,414 in 2020. The adherent totals of the religious groups listed above (18,129) included 54.3% of the total population in 2020. The adherence rate is the number of adherents of a given group per 1,000 people in the general population.

Note that data collection methods for religious bodies change over time, affecting the comparability of statistics. For further information, see the U.S. Religion Census website at https://www.usreligioncensus.org/.

The 2020 data were collected by the Association of Statisticians of American Religious Bodies (ASARB) and include data for 372 religious bodies or groups. Of these, the ASARB was able to gather data on congregations and adherents for 217 and on congregations only for 155.

[More information on the data sources]

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